Station charts
Shemya AFB Report Rank 825 of 1,023 in Alaska, Oct 16. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.
Ranking Statistics 247 score 88.5 of 100
Alaska median 96.0 the median score of 1,023 stations
Scoring higher 824 stations in Alaska
Sharing its score 1 no other station
Points deducted 11.5 11.1 reports received, 0.4 arrival
Counted at the median Accuracy not measured at this station; Alaska median 100.0 Next above PAKV rank 824 ; ahead on 247 score 88.6 against 88.5Equal scores are ordered by the share of scheduled reports received, then the reports due in the week (the longer record first), then the median arrival, then the longest silence.
Reports receivedweight 35 23.9 of 35 points Alaska median 98.8 208 of 305 scheduled reports received in 7 days Arrivalweight 10 9.6 of 10 points Alaska median 86.1 half its reports arrived within 12 min Continuityweight 10 10.0 of 10 points Alaska median 100.0 longest silence 63 min, on a schedule of one report every 33 min Accuracyweight 20 -20.0 of 20 points, at the median Alaska median 100.0 - Instrument checksweight 15 15.0 of 15 points Alaska median 100.0 0 of 60 readings failed the next day's check against the stations around it Forecast checkweight 10 10.0 of 10 points Alaska median 100.0 its temperature within 1.5 °F of Storm Station's forecast on average, over 249 hours checked the next day The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.
How each part is scored
Reports received Full marks for every scheduled report received, none for none, in proportion between
Arrival Full marks for a median arrival within 10 min, none at 60 min
Continuity Full marks for a longest silence of 3 reports or less (1.7 h), none for 72 (39.6 h)
Accuracy Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °F
Instrument checks Full marks for no reading failed, none for 5 per cent or more
Forecast check Full marks within 2 °F of the forecast on average, none at 8 °F
Schedule every 31 min
Reports received, 24 hours 25 of 46 54.3% of its schedule, 35 reports in all
Reports received, 7 days 216 of 325 66.4% of its schedule, 282 reports in all
Days reported, 30 days 29 of 30
Longest silence, 7 days 63 min from Oct 9, 1:56 AM
Latest report Oct 15, 7:56 PM local time
Time to reach Storm Station 12 min 9 in 10 within 22 min From Storm Station's own record of every report it heard from this station.
Its schedule is one report every 31 min, 46 in 24 hours. Two reports in the same 31 min count as one received.
The forecast here, October 14, 2026
Temperature, mean miss 1.1 F ran +0.1 F over 58 forecast hours; corrected, 1.0 F
Dew point, mean miss 1.6 F ran +0.8 F over 58 forecast hours; corrected, 1.7 F
Wind, mean miss 2.6 mph ran -0.9 mph over 95 forecast hours; corrected, 3.8 mph
Sky cover, mean miss 23.2 % ran -8.2 % over 87 forecast hours; corrected, 21.1 % Each hour’s forecast against this airfield’s own report, the day after. Every airfield, scored .
Chart of the 1,023 ranked stations in Alaska on Oct 16 by the share of their scheduled reports received in Storm Station's own record, up to 7 days, in tenths: 0 to 9 per cent, 1; 10 to 19 per cent, 4; 20 to 29 per cent, 12; 30 to 39 per cent, 10; 40 to 49 per cent, 23; 50 to 59 per cent, 45; 60 to 69 per cent, 43; 70 to 79 per cent, 44; 80 to 89 per cent, 89; 90 to 99 per cent, 427; 100 per cent, 325. Shemya AFB received 68.1 per cent, 208 of 305 scheduled reports, rank 825 of 1,023. WHERE IT RANKS IN ALASKA, Oct 16 THIS ONE: 68.1%, 208 OF 305, RANK 825 OF 1,023 PER CENT OF SCHEDULED REPORTS RECEIVED IN STORM STATION'S OWN RECORD, UP TO 7 DAYS 1 10 100 0 to 9 1 10 to 19 4 20 to 29 12 30 to 39 10 40 to 49 23 50 to 59 45 60 to 69 43 70 to 79 44 80 to 89 89 90 to 99 427 100 325 STATIONS, LOG SCALE Chart of Shemya AFB's rank in Alaska by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 191 of 839; 2026-09-27 rank 624 of 850; 2026-09-28 rank 616 of 899; 2026-09-29 rank 612 of 924; 2026-09-30 rank 694 of 931; 2026-10-01 rank 802 of 930; 2026-10-02 rank 845 of 957; 2026-10-03 rank 846 of 957; 2026-10-04 rank 865 of 958; 2026-10-05 rank 886 of 988; 2026-10-06 rank 883 of 992; 2026-10-07 rank 898 of 1,001; 2026-10-08 rank 901 of 1,002; 2026-10-09 rank 855 of 1,003; 2026-10-10 rank 853 of 1,003; 2026-10-11 rank 854 of 1,026; 2026-10-12 rank 749 of 1,026; 2026-10-13 rank 849 of 1,024; 2026-10-14 rank 833 of 1,022; 2026-10-15 rank 832 of 1,024; 2026-10-16 rank 825 of 1,023. ITS RANK IN ALASKA, DAY BY DAY RANK, FIRST AT THE TOP 1 250 500 750 1,000 Sep 26 Sep 30 Oct 4 Oct 8 Oct 12 Oct 16 The ranking these charts were drawn from, as tables Share of scheduled reports received Stations 100% 325 90 to 99% 427 80 to 89% 89 70 to 79% 44 60 to 69% 43 50 to 59% 45 40 to 49% 23 30 to 39% 10 20 to 29% 12 10 to 19% 4 0 to 9% 1
Day Rank Stations ranked Share received Oct 16, 2026 825 1,023 68.1% Oct 15, 2026 832 1,024 68.0% Oct 14, 2026 833 1,022 67.2% Oct 13, 2026 849 1,024 66.1% Oct 12, 2026 749 1,026 77.1% Oct 11, 2026 854 1,026 63.9% Oct 10, 2026 853 1,003 65.8% Oct 9, 2026 855 1,003 65.8% Oct 8, 2026 901 1,002 58.0% Oct 7, 2026 898 1,001 60.2% Oct 6, 2026 883 992 60.2% Oct 5, 2026 886 988 60.7% Oct 4, 2026 865 958 65.2% Oct 3, 2026 846 957 68.7% Oct 2, 2026 845 957 68.7% Oct 1, 2026 802 930 85.7% Sep 30, 2026 694 931 97.5% Sep 29, 2026 612 924 98.9% Sep 28, 2026 616 899 98.5% Sep 27, 2026 624 850 97.8% Sep 26, 2026 191 839 100.0%
24 hours 7 days 30 days
Temperature and Dew point at Shemya AFB, temperature from 42.6 to 46.0, the latest 43.5; dew point from 36.0 to 40.5, the latest 39.6, in degrees Fahrenheit. TEMPERATURE AND DEW POINT F 35 40 45 50 9 PM Oct 15 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM TEMPERATURE DEW POINT Relative humidity at Shemya AFB, relative humidity from 73 to 86, the latest 86, in per cent. RELATIVE HUMIDITY % 70 75 80 85 90 9 PM Oct 15 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM Wind and Gust at Shemya AFB, wind from 10 to 31, the latest 30; gust from 26 to 40, the latest 39, in miles an hour. WIND AND GUST mph 10 20 30 40 50 9 PM Oct 15 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM WIND GUST Wind direction at Shemya AFB, wind direction from 130 to 180, the latest 140, in degrees. WIND DIRECTION ° 0 90 180 270 360 9 PM Oct 15 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM Pressure, altimeter at Shemya AFB, pressure, altimeter from 29.73 to 30.22, the latest 29.73, in inches of mercury. PRESSURE, ALTIMETER inHg 29.60 29.80 30.00 30.20 30.40 9 PM Oct 15 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM Visibility at Shemya AFB, visibility from 4.0 to 10.0, the latest 4.0, in miles. VISIBILITY mi 0 2.5 5 7.5 10 9 PM Oct 15 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM LIFR IFR MVFR VFR Lowest cloud base at Shemya AFB, lowest cloud base from 1,400 to 10,000, the latest 1,600, in feet. LOWEST CLOUD BASE ft 0 2,500 5,000 7,500 10,000 9 PM Oct 15 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM MVFR VFR Reports received at Shemya AFB, reports from 0.0 to 5.0, the latest 0.0, in reports. REPORTS RECEIVED reports 0 2 4 6 9 PM Oct 15 3 AM 6 AM 9 AM 12 PM 3 PM 6 PM The readings these charts were drawn from, as a table Hour Temperature F Dew point F Relative humidity % Wind mph Gust mph Wind direction ° Pressure, altimeter inHg Visibility mi Lowest cloud base ft Precipitation in Reports Thu 15, 6 PM - - - 30 39 140 29.73 4.0 1,600 0.00 2 Thu 15, 5 PM - - - 31 39 140 29.75 4.0 1,400 0.00 5 Thu 15, 4 PM 43.5 39.6 86 30 40 150 29.79 7.0 1,500 0.00 1 Thu 15, 3 PM 44.8 40.5 85 31 40 140 29.82 7.0 1,400 0.00 1 Thu 15, 2 PM 44.8 39.6 82 29 37 150 29.87 7.0 1,500 0.00 1 Thu 15, 1 PM 46.0 39.2 77 26 36 140 29.90 7.0 1,700 0.00 1 Thu 15, 12 PM 45.5 38.3 76 24 38 150 29.93 10.0 1,800 0.00 1 Thu 15, 11 AM 44.6 39.0 81 30 36 140 29.95 10.0 1,700 0.00 1 Thu 15, 10 AM 44.8 38.3 78 28 33 140 29.97 10.0 1,700 0.00 1 Thu 15, 9 AM 44.0 39.0 82 25 32 130 29.98 10.0 1,500 0.00 1 Thu 15, 8 AM 44.0 38.0 79 26 31 140 30.00 7.0 1,600 0.00 1 Thu 15, 7 AM 43.0 36.5 78 20 - 150 30.05 7.0 2,000 0.00 1 Thu 15, 6 AM 43.0 36.0 76 21 26 150 30.08 7.0 2,000 0.00 1 Thu 15, 5 AM 42.6 36.0 77 17 - 150 30.11 7.0 2,000 0.00 1 Thu 15, 4 AM 43.1 37.2 80 18 - 150 30.13 7.0 1,800 0.00 2 Thu 15, 3 AM 43.0 36.5 78 18 - 150 30.14 7.0 1,800 0.00 1 Thu 15, 2 AM 43.0 36.7 78 16 - 150 30.16 7.0 1,700 0.00 1 Thu 15, 1 AM 44.2 36.0 73 16 - 140 30.17 7.0 1,600 0.00 2 Thu 15, 12 AM - - - 14 - 150 30.19 10.0 1,700 0.00 1 Wed 14, 11 PM - - - 12 - 160 30.20 10.0 10,000 0.00 1 Wed 14, 10 PM - - - 12 - 170 30.21 10.0 10,000 0.00 1 Wed 14, 9 PM - - - 10 - 180 30.22 10.0 9,000 0.00 1
Left out: the gust, which read 52 mph in 6 reports in a row from Oct 8, 2026, the mark of a sensor that has stuck.
Temperature and Dew point at Shemya AFB, temperature from 39.4 to 48.4, the latest 43.5; dew point from 30.4 to 41.7, the latest 39.6, in degrees Fahrenheit. TEMPERATURE AND DEW POINT F 30 35 40 45 50 Fri 9 Sat 10 Sun 11 Mon 12 Tue 13 Wed 14 Thu 15 FREEZING TEMPERATURE DEW POINT Relative humidity at Shemya AFB, relative humidity from 64 to 86, the latest 86, in per cent. RELATIVE HUMIDITY % 60 70 80 90 Fri 9 Sat 10 Sun 11 Mon 12 Tue 13 Wed 14 Thu 15 Wind and Gust at Shemya AFB, wind from 0 to 38, the latest 30; gust from 22 to 48, the latest 39, in miles an hour. WIND AND GUST mph 0 20 40 60 Fri 9 Sat 10 Sun 11 Mon 12 Tue 13 Wed 14 Thu 15 WIND GUST Wind direction at Shemya AFB, wind direction from 130 to 330, the latest 140, in degrees. WIND DIRECTION ° 0 90 180 270 360 Fri 9 Sat 10 Sun 11 Mon 12 Tue 13 Wed 14 Thu 15 Pressure, altimeter at Shemya AFB, pressure, altimeter from 29.05 to 30.30, the latest 29.73, in inches of mercury. PRESSURE, ALTIMETER inHg 29.00 29.50 30.00 30.50 Fri 9 Sat 10 Sun 11 Mon 12 Tue 13 Wed 14 Thu 15 Visibility at Shemya AFB, visibility from 1.8 to 10.0, the latest 4.0, in miles. VISIBILITY mi 0 2.5 5 7.5 10 Fri 9 Sat 10 Sun 11 Mon 12 Tue 13 Wed 14 Thu 15 LIFR IFR MVFR VFR Lowest cloud base at Shemya AFB, lowest cloud base from 500 to 12,000, the latest 1,600, in feet. LOWEST CLOUD BASE ft 0 5,000 10,000 15,000 Fri 9 Sat 10 Sun 11 Mon 12 Tue 13 Wed 14 Thu 15 MVFR VFR Precipitation at Shemya AFB, precipitation from 0.00 to trace, the latest 0.00, in inches. PRECIPITATION in 0.00 0.03 0.05 0.07 0.10 Fri 9 Sat 10 Sun 11 Mon 12 Tue 13 Wed 14 Thu 15 Reports received at Shemya AFB, reports from 0.0 to 11.0, the latest 0.0, in reports. REPORTS RECEIVED reports 0 5 10 15 Fri 9 Sat 10 Sun 11 Mon 12 Tue 13 Wed 14 Thu 15 The readings these charts were drawn from, as a table Hour Temperature F Dew point F Relative humidity % Wind mph Gust mph Wind direction ° Pressure, altimeter inHg Visibility mi Lowest cloud base ft Precipitation in Reports Thu 15, 6 PM - - - 30 39 140 29.73 4.0 1,600 0.00 2 Thu 15, 5 PM - - - 31 39 140 29.75 4.0 1,400 0.00 5 Thu 15, 4 PM 43.5 39.6 86 30 40 150 29.79 7.0 1,500 0.00 1 Thu 15, 3 PM 44.8 40.5 85 31 40 140 29.82 7.0 1,400 0.00 1 Thu 15, 2 PM 44.8 39.6 82 29 37 150 29.87 7.0 1,500 0.00 1 Thu 15, 1 PM 46.0 39.2 77 26 36 140 29.90 7.0 1,700 0.00 1 Thu 15, 12 PM 45.5 38.3 76 24 38 150 29.93 10.0 1,800 0.00 1 Thu 15, 11 AM 44.6 39.0 81 30 36 140 29.95 10.0 1,700 0.00 1 Thu 15, 10 AM 44.8 38.3 78 28 33 140 29.97 10.0 1,700 0.00 1 Thu 15, 9 AM 44.0 39.0 82 25 32 130 29.98 10.0 1,500 0.00 1 Thu 15, 8 AM 44.0 38.0 79 26 31 140 30.00 7.0 1,600 0.00 1 Thu 15, 7 AM 43.0 36.5 78 20 - 150 30.05 7.0 2,000 0.00 1 Thu 15, 6 AM 43.0 36.0 76 21 26 150 30.08 7.0 2,000 0.00 1 Thu 15, 5 AM 42.6 36.0 77 17 - 150 30.11 7.0 2,000 0.00 1 Thu 15, 4 AM 43.1 37.2 80 18 - 150 30.13 7.0 1,800 0.00 2 Thu 15, 3 AM 43.0 36.5 78 18 - 150 30.14 7.0 1,800 0.00 1 Thu 15, 2 AM 43.0 36.7 78 16 - 150 30.16 7.0 1,700 0.00 1 Thu 15, 1 AM 44.2 36.0 73 16 - 140 30.17 7.0 1,600 0.00 2 Thu 15, 12 AM - - - 14 - 150 30.19 10.0 1,700 0.00 1 Wed 14, 11 PM - - - 12 - 160 30.20 10.0 10,000 0.00 1 Wed 14, 10 PM - - - 12 - 170 30.21 10.0 10,000 0.00 1 Wed 14, 9 PM - - - 10 - 180 30.22 10.0 9,000 0.00 1 Wed 14, 8 PM - - - 14 - 180 30.22 10.0 9,000 0.00 1 Wed 14, 7 PM - - - 15 - 190 30.22 9.0 9,000 0.00 1 Wed 14, 6 PM - - - 14 - 190 30.22 9.0 2,800 0.00 3 Wed 14, 5 PM - - - 14 - 200 30.23 9.0 1,800 0.00 3 Wed 14, 4 PM 47.5 40.0 75 14 - 200 30.25 10.0 2,000 0.00 1 Wed 14, 3 PM 47.0 41.7 82 14 - 190 30.25 10.0 1,900 0.00 1 Wed 14, 2 PM 47.7 41.4 79 13 - 190 30.27 10.0 1,300 0.00 1 Wed 14, 1 PM 44.2 39.2 82 14 - 190 30.27 10.0 3,400 0.00 1 Wed 14, 12 PM 44.2 37.4 77 13 - 170 30.27 10.0 2,200 0.00 1 Wed 14, 11 AM 44.2 37.8 78 14 - 190 30.27 10.0 2,000 0.00 1 Wed 14, 10 AM 43.7 37.0 77 10 - 180 30.28 10.0 2,700 0.00 1 Wed 14, 9 AM 44.6 37.4 76 9 - 210 30.29 10.0 3,400 0.00 1 Wed 14, 8 AM 42.8 36.0 77 9 - 200 30.29 7.0 4,500 0.00 1 Wed 14, 7 AM 41.7 35.0 77 0 - - 30.30 7.0 2,200 0.00 1 Wed 14, 6 AM 41.7 34.3 75 5 - 280 30.29 7.0 12,000 0.00 1 Wed 14, 5 AM 40.0 33.0 76 7 - 300 30.29 7.0 - 0.00 1 Wed 14, 4 AM 40.1 31.3 71 8 - 290 30.29 7.0 2,500 0.00 2 Wed 14, 3 AM 41.5 30.7 65 10 - 280 30.30 7.0 2,800 0.00 1 Wed 14, 2 AM 41.5 30.4 64 7 - 280 30.30 7.0 - 0.00 1 Wed 14, 1 AM 41.0 35.2 80 10 - 280 30.30 7.0 3,900 0.00 2 Wed 14, 12 AM - - - 9 - 280 30.29 10.0 3,300 0.00 1 Tue 13, 11 PM - - - 7 - 280 30.29 10.0 3,000 0.00 1 Tue 13, 10 PM - - - 13 - 330 30.28 10.0 3,000 0.00 1 Tue 13, 9 PM - - - 12 - 310 30.27 10.0 3,100 0.00 1 Tue 13, 8 PM - - - 10 - 310 30.26 10.0 4,500 0.00 1 Tue 13, 7 PM - - - 10 - 310 30.25 10.0 4,900 0.00 1 Tue 13, 6 PM - - - 14 - 300 30.25 7.0 4,400 0.00 1 Tue 13, 5 PM - - - 15 - 310 30.24 8.0 2,300 0.00 1 Tue 13, 4 PM 46.8 36.5 67 21 - 300 30.24 10.0 3,000 0.00 1 Tue 13, 3 PM 45.3 35.2 68 22 - 300 30.24 10.0 3,500 0.00 1 Tue 13, 2 PM 46.4 38.0 72 16 - 280 30.24 10.0 3,000 0.00 1 Tue 13, 1 PM 45.3 36.5 71 16 - 290 30.23 10.0 2,000 0.00 1 Tue 13, 12 PM 44.3 37.5 77 18 - 300 30.22 7.0 2,000 0.00 2 Tue 13, 11 AM 44.0 36.0 73 20 - 290 30.21 10.0 1,800 0.00 1 Tue 13, 10 AM 42.4 36.3 79 17 - 290 30.19 10.0 2,200 0.00 1 Tue 13, 9 AM 42.0 34.5 75 15 - 310 30.18 10.0 2,100 0.00 1 Tue 13, 8 AM 41.0 34.0 76 17 30 300 30.17 7.0 3,700 0.00 1 Tue 13, 7 AM 40.3 33.8 77 18 30 300 30.15 7.0 2,200 0.00 1 Tue 13, 6 AM 40.5 34.0 77 25 33 300 30.13 7.0 2,300 0.00 1 Tue 13, 5 AM 41.0 34.0 76 22 33 290 30.12 7.0 2,400 0.00 1 Tue 13, 4 AM 40.1 33.7 78 25 32 310 30.11 7.0 2,500 0.00 2 Tue 13, 3 AM 39.7 32.4 75 26 37 310 30.09 7.0 2,300 0.00 1 Tue 13, 2 AM 39.4 33.4 79 24 32 300 30.07 7.0 2,000 0.00 2 Tue 13, 1 AM 40.7 33.6 76 26 35 310 30.06 7.0 2,700 0.00 2 Tue 13, 12 AM - - - 26 36 310 30.04 10.0 2,000 trace 3 Mon 12, 11 PM - - - 28 37 310 30.01 10.0 1,300 trace 8 Mon 12, 10 PM - - - 30 39 310 30.00 10.0 1,500 trace 5 Mon 12, 9 PM - - - 30 40 300 29.98 10.0 1,800 trace 5 Mon 12, 8 PM - - - 26 46 300 29.96 10.0 1,600 trace 7 Mon 12, 7 PM - - - 25 48 280 29.95 7.0 1,100 trace 9 Mon 12, 6 PM 42.6 33.8 72 28 35 300 29.93 10.0 2,400 0.00 2 Mon 12, 5 PM - - - 21 38 290 29.92 9.0 3,700 trace 3 Mon 12, 4 PM - - - 23 32 300 29.92 9.0 3,300 0.00 1 Mon 12, 3 PM - - - 22 28 290 29.92 9.0 2,900 0.00 1 Mon 12, 2 PM - - - 23 28 300 29.92 10.0 3,400 0.00 1 Mon 12, 1 PM - - - 23 30 290 29.91 10.0 2,400 0.00 2 Mon 12, 12 PM - - - 21 35 310 29.90 10.0 2,400 0.00 4 Mon 12, 11 AM - - - 17 29 290 29.89 9.0 1,200 trace 8 Mon 12, 10 AM - - - 14 - 290 29.88 7.0 1,700 trace 5 Mon 12, 9 AM - - - 15 - 310 29.88 9.0 1,700 0.00 2 Mon 12, 8 AM - - - 16 - 250 29.87 10.0 12,000 0.00 1 Mon 12, 7 AM - - - 5 - 250 29.87 10.0 2,400 trace 2 Mon 12, 6 AM - - - 16 25 270 29.88 7.0 800 trace 7 Mon 12, 5 AM - - - 0 - - 29.87 9.0 2,400 0.00 1 Mon 12, 4 AM - - - 6 - 200 29.88 7.0 500 trace 6 Mon 12, 3 AM - - - 17 - 230 29.89 10.0 2,800 0.00 4 Mon 12, 2 AM - - - 10 - 240 29.90 10.0 2,700 0.00 1 Mon 12, 1 AM - - - 10 - 250 29.91 10.0 7,500 0.00 1 Mon 12, 12 AM - - - 8 - 250 29.91 10.0 7,000 0.00 1 Sun 11, 11 PM - - - 9 - 260 29.91 10.0 - 0.00 1 Sun 11, 10 PM - - - 9 - 250 29.91 10.0 3,100 0.00 1 Sun 11, 9 PM - - - 10 - 300 29.91 10.0 4,400 0.00 1 Sun 11, 8 PM - - - 8 - 270 29.90 3.0 1,500 trace 4 Sun 11, 7 PM - - - 25 32 230 29.90 4.0 1,500 trace 4 Sun 11, 6 PM - - - 18 - 240 29.90 4.0 2,200 trace 4 Sun 11, 5 PM - - - 17 22 270 29.89 4.0 2,100 0.00 3 Sun 11, 4 PM - - - 13 - 290 29.89 4.0 2,200 trace 4 Sun 11, 3 PM - - - 17 - 300 29.89 5.0 3,400 0.00 2 Sun 11, 2 PM - - - 17 - 250 29.89 6.0 3,100 0.00 2 Sun 11, 1 PM - - - 17 - 280 29.89 6.0 3,200 0.00 1 Sun 11, 12 PM - - - 22 29 290 29.88 8.0 3,500 0.00 1 Sun 11, 11 AM - - - 20 36 300 29.87 9.0 3,100 0.00 1 Sun 11, 10 AM - - - 19 28 300 29.85 9.0 2,300 0.00 3 Sun 11, 9 AM - - - 20 28 280 29.82 10.0 2,500 trace 3 Sun 11, 8 AM - - - 18 33 300 29.81 8.0 1,600 trace 8 Sun 11, 7 AM - - - 18 35 280 29.79 10.0 1,600 trace 5 Sun 11, 6 AM - - - 20 33 270 29.77 8.0 700 0.00 11 Sun 11, 5 AM - - - 19 26 280 29.75 9.0 1,500 trace 6 Sun 11, 4 AM - - - 21 28 290 29.75 7.0 1,100 0.00 7 Sun 11, 3 AM - - - 15 28 290 29.73 7.0 2,900 trace 3 Sun 11, 2 AM - - - 14 - 280 29.72 5.0 4,200 0.00 1 Sun 11, 1 AM - - - 9 - 270 29.71 5.0 7,000 0.00 1 Sun 11, 12 AM - - - 10 - 280 29.70 5.0 7,000 0.00 1 Sat 10, 11 PM - - - 15 - 290 29.69 4.0 2,400 trace 3 Sat 10, 10 PM - - - 15 - 250 29.67 4.0 3,500 0.00 1 Sat 10, 9 PM - - - 12 - 290 29.66 4.0 3,700 0.00 2 Sat 10, 8 PM - - - 13 - 280 29.64 2.8 4,400 0.00 1 Sat 10, 7 PM - - - 18 30 270 29.63 2.8 6,500 0.00 2 Sat 10, 6 PM - - - 16 - 270 29.61 5.0 - 0.00 1 Sat 10, 5 PM - - - 15 - 290 29.61 5.0 6,000 0.00 1 Sat 10, 4 PM 46.0 38.3 74 17 30 300 29.60 10.0 2,000 0.00 1 Sat 10, 3 PM 46.4 38.0 72 21 - 260 29.59 10.0 5,500 0.00 1 Sat 10, 2 PM 48.4 37.6 66 14 - 250 29.59 10.0 4,800 0.00 1 Sat 10, 1 PM 47.3 36.3 65 15 - 260 29.58 10.0 4,200 0.00 1 Sat 10, 12 PM 46.3 37.7 72 13 - 280 29.57 10.0 2,300 0.00 2 Sat 10, 11 AM 44.1 37.1 76 18 - 290 29.56 10.0 2,400 0.00 2 Sat 10, 10 AM 44.6 37.4 76 21 - 250 29.54 10.0 5,500 0.00 1 Sat 10, 9 AM 42.9 38.0 83 20 25 250 29.53 10.0 1,900 0.00 2 Sat 10, 8 AM 40.3 - - 7 - 270 29.52 7.0 3,900 0.00 1 Sat 10, 7 AM 40.5 35.8 83 9 - 280 29.50 6.0 3,600 0.00 1 Sat 10, 6 AM 40.3 35.0 81 10 - 290 29.48 7.0 8,000 0.00 1 Sat 10, 5 AM 41.5 35.8 80 14 - 300 29.47 7.0 2,200 0.00 1 Sat 10, 4 AM 41.2 35.8 81 13 - 290 29.47 7.0 7,000 0.00 2 Sat 10, 3 AM 42.4 35.6 77 14 36 280 29.44 7.0 3,900 0.00 1 Sat 10, 2 AM 44.2 36.7 75 23 - 250 29.44 7.0 6,500 0.00 1 Sat 10, 1 AM 44.8 35.6 70 22 29 260 29.43 7.0 5,500 0.00 2 Sat 10, 12 AM - - - 21 - 250 29.41 7.0 5,500 0.00 1 Fri 9, 11 PM - - - 13 - 280 29.40 7.0 6,000 0.00 1 Fri 9, 10 PM - - - 12 - 300 29.39 3.0 4,300 0.00 1 Fri 9, 9 PM - - - 18 - 260 29.37 2.8 5,000 0.00 4 Fri 9, 8 PM - - - 14 - 260 29.35 2.0 2,000 trace 5 Fri 9, 7 PM - - - 16 30 270 29.33 1.8 2,400 0.00 7 Fri 9, 6 PM - - - 21 30 260 29.30 2.3 2,500 0.00 2 Fri 9, 5 PM - - - 19 26 270 29.29 2.8 4,800 trace 3 Fri 9, 4 PM 46.9 39.1 74 26 37 270 29.27 7.0 1,500 0.00 3 Fri 9, 3 PM 47.5 39.2 73 28 32 240 29.25 10.0 7,500 0.00 1 Fri 9, 2 PM 48.0 40.3 75 25 30 240 29.23 10.0 2,300 0.00 1 Fri 9, 1 PM 47.3 40.6 77 25 31 230 29.23 10.0 2,100 0.00 1 Fri 9, 12 PM 46.5 39.4 76 24 - 230 29.22 10.0 7,000 0.00 2 Fri 9, 11 AM 46.0 40.3 80 26 38 260 29.21 10.0 3,600 0.00 1 Fri 9, 10 AM 46.0 40.0 79 25 33 240 29.20 10.0 9,000 0.00 1 Fri 9, 9 AM 46.6 40.0 78 29 35 240 29.19 7.0 7,000 0.00 1 Fri 9, 8 AM 44.8 38.5 78 28 36 230 29.17 7.0 7,500 0.00 1 Fri 9, 7 AM 44.8 39.0 80 29 36 240 29.15 7.0 10,000 0.00 1 Fri 9, 6 AM 44.0 39.7 85 30 35 230 29.13 7.0 11,000 0.00 1 Fri 9, 5 AM 44.2 40.0 85 30 37 230 29.11 7.0 3,400 0.00 1 Fri 9, 4 AM 44.0 40.1 86 30 46 240 29.11 6.0 600 0.00 2 Fri 9, 3 AM 45.3 40.3 83 32 40 250 29.10 6.0 500 0.00 1 Fri 9, 2 AM 46.6 39.6 76 38 46 230 29.09 7.0 1,500 0.00 1 Fri 9, 1 AM 46.5 39.1 75 32 41 230 29.08 7.0 1,900 0.00 2 Fri 9, 12 AM - - - 35 45 230 29.07 10.0 2,100 0.00 4 Thu 8, 11 PM - - - - - - 29.06 10.0 2,700 trace 3 Thu 8, 10 PM - - - - - - 29.05 10.0 3,100 0.00 1 Thu 8, 9 PM - - - - - - 29.05 10.0 1,800 trace 3
High and Low at Shemya AFB, high from 42.8 to 55.0, the latest 46.0; low from 28.0 to 50.0, the latest 42.6, in degrees Fahrenheit. HIGH AND LOW F 20 30 40 50 60 Sep 17 Sep 22 Sep 27 Oct 2 Oct 7 Oct 12 FREEZING HIGH LOW Highest dew point and Lowest dew point at Shemya AFB, highest dew point from 37.4 to 51.0, the latest 40.5; lowest dew point from 30.2 to 48.0, the latest 35.6, in degrees Fahrenheit. HIGHEST DEW POINT AND LOWEST DEW POINT F 30 40 50 60 Sep 17 Sep 22 Sep 27 Oct 2 Oct 7 Oct 12 HIGHEST DEW POINT LOWEST DEW POINT Highest humidity and Lowest humidity at Shemya AFB, highest humidity from 81 to 100, the latest 86; lowest humidity from 62 to 89, the latest 70, in per cent. HIGHEST HUMIDITY AND LOWEST HUMIDITY % 60 70 80 90 100 Sep 17 Sep 22 Sep 27 Oct 2 Oct 7 Oct 12 HIGHEST HUMIDITY LOWEST HUMIDITY Average wind and Strongest gust at Shemya AFB, average wind from 7 to 41, the latest 24; strongest gust from 31 to 84, the latest 45, in miles an hour. AVERAGE WIND AND STRONGEST GUST mph 0 20 40 60 80 100 Sep 17 Sep 22 Sep 27 Oct 2 Oct 7 Oct 12 AVERAGE WIND STRONGEST GUST Precipitation at Shemya AFB, precipitation from trace to trace, the latest trace, in inches. PRECIPITATION in 0.00 0.03 0.05 0.07 0.10 Sep 17 Sep 22 Sep 27 Oct 2 Oct 7 Oct 12 The readings these charts were drawn from, as a table Day High F Low F Highest dew point F Lowest dew point F Highest humidity % Lowest humidity % Average wind mph Strongest gust mph Precipitation in Oct 15 46.0 42.6 40.5 35.6 86 70 24 45 trace Oct 14 47.7 39.2 41.7 30.2 87 64 11 - - Oct 13 46.8 39.2 38.0 32.4 81 67 18 43 trace Oct 12 42.8 42.3 37.4 30.2 81 62 18 48 trace Oct 11 - - - - - - 16 36 trace Oct 10 48.4 40.3 45.5 35.0 84 65 16 36 trace Oct 9 48.2 43.3 41.0 38.5 87 71 25 46 trace Oct 8 49.0 41.0 46.4 35.6 95 66 38 60 trace Oct 7 52.0 50.0 51.0 48.0 100 86 41 75 trace Oct 6 50.0 44.6 46.4 40.0 95 76 22 51 trace Oct 5 53.4 44.6 50.0 37.0 94 71 10 - - Oct 4 - - - - - - 18 38 trace Oct 3 51.8 46.4 48.0 42.8 97 81 24 44 trace Oct 2 48.4 46.2 46.8 43.0 97 86 18 46 trace Oct 1 51.4 49.0 51.0 47.5 100 89 7 - trace Sep 30 50.7 48.2 50.5 42.8 100 81 10 45 trace Sep 29 50.7 48.7 50.0 42.6 100 74 17 41 trace Sep 28 54.3 46.4 48.0 41.7 87 76 10 - - Sep 27 - - - - - - 9 - - Sep 26 52.0 46.0 48.0 41.0 90 69 14 - - Sep 25 53.0 46.0 44.2 41.4 86 73 21 38 - Sep 24 55.0 48.0 48.2 43.5 93 72 37 84 trace Sep 23 54.0 50.0 49.0 47.7 95 80 27 64 trace Sep 22 54.0 50.0 51.0 46.4 96 82 12 32 - Sep 21 53.6 49.5 50.0 44.6 94 76 12 31 trace Sep 20 - - - - - - 8 - trace Sep 19 54.0 50.0 50.0 46.2 93 77 15 - - Sep 18 55.0 50.0 48.7 42.8 88 72 19 40 trace Sep 17 55.0 28.0 49.0 46.0 93 77 22 45 -
FB-SKY-001, Fig. ACloud classification
FB-SKY-017, Fig. AStratus
FB-SKY-016, Fig. AStratocumulus
FB-SKY-018, Fig. ACumulus
