Storm Station
Sign in

At a climate reference station

USCRN network, identified by the register

Identifier
04126
Latitude
43.46000 N
Longitude
113.55000 W
Elevation
5,920 ft
Observed
9:00 PMMDT, 4 hours ago
Air temperature
47.1F
What it feels like
47.1F
High so far today
59.4F
Low so far today
34.2F
Dew point
27.4F
Relative humidity
46%
Wind
3mph
Strongest wind today
7mph
Precipitation today
0in
Ground surface temperature
31.5F

Ranking Statistics

Station charts

Arco 17 SW Report

Rank 499 of 833 in Idaho, 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 score89.1of 100

Idaho median
90.9the median score of 833 stations
Scoring higher
493stations in Idaho
Sharing its score
7ranks 494 to 500
Points deducted
10.97.3 arrival, 1.8 forecast check, 1.8 accuracy
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Idaho median 91.0, 100.0, 81.9
Next above
THSI1rank 496; ahead on reports due 168 against 84, the longer record first
Next below
SCBI1rank 501; behind on 247 score 89.1 against 89.0
Sharing its rank
1other stations, equal on every measure

Equal 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.

  1. Reports receivedweight 35100.035.0 of 35 pointsIdaho median 98.884 of 84 scheduled reports received in 7 days
  2. Arrivalweight 1027.02.7 of 10 pointsIdaho median 76.8half its reports arrived within 1.5 h
  3. Continuityweight 10100.010.0 of 10 pointsIdaho median 100.0longest silence 3.1 h, on a schedule of one report every 2 h
  4. Accuracyweight 20-18.2 of 20 points, at the medianIdaho median 91.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianIdaho median 100.0-
  6. Forecast checkweight 10-8.2 of 10 points, at the medianIdaho median 81.9-

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 12 min, none at 2 h
Continuity
Full marks for a longest silence of 3 reports or less (6 h), none for 72 (144 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 5 min
Reports received, 24 hours
281 of 28897.5% of its schedule
Reports received, 7 days
2,009 of 2,01699.6% of its schedule
Days reported, 30 days
29 of 30
Longest silence, 7 days
1 h 41 minfrom Oct 15, 11:00 PM
Latest report
Oct 15, 11:00 PMlocal time
Time to reach Storm Station
1 h 31 min9 in 10 within 1 h 33 min

The reports received are counted from the network's own archive of this station's reports. Its 247 rank is counted from Storm Station's own record, which holds less than 7 days of it so far: 84 of 84 scheduled reports received, 100%.

Its schedule is one report every 5 min, 288 in 24 hours. Two reports in the same 5 min count as one received.

Chart of the 833 ranked stations in Idaho 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, 0; 10 to 19 per cent, 2; 20 to 29 per cent, 4; 30 to 39 per cent, 4; 40 to 49 per cent, 31; 50 to 59 per cent, 161; 60 to 69 per cent, 4; 70 to 79 per cent, 14; 80 to 89 per cent, 32; 90 to 99 per cent, 379; 100 per cent, 202. Arco 17 SW received 100.0 per cent, 84 of 84 scheduled reports, rank 499 of 833.WHERE IT RANKS IN IDAHO, Oct 16THIS ONE: 100.0%, 84 OF 84, RANK 499 OF 833PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 910 to 19220 to 29430 to 39440 to 493150 to 5916160 to 69470 to 791480 to 893290 to 99379100202STATIONS, LOG SCALE
Chart of Arco 17 SW's rank in Idaho by how it reported, day by day, from 2026-09-29 to 2026-10-16: 2026-09-29 rank 317 of 654; 2026-09-30 rank 317 of 658; 2026-10-01 rank 240 of 660; 2026-10-02 rank 473 of 726; 2026-10-03 rank 473 of 726; 2026-10-04 rank 407 of 731; 2026-10-05 rank 390 of 768; 2026-10-06 rank 392 of 782; 2026-10-07 rank 399 of 783; 2026-10-08 rank 394 of 786; 2026-10-09 rank 391 of 833; 2026-10-10 rank 392 of 833; 2026-10-11 rank 453 of 834; 2026-10-12 rank 477 of 835; 2026-10-13 rank 564 of 835; 2026-10-14 rank 468 of 829; 2026-10-15 rank 483 of 833; 2026-10-16 rank 499 of 833.ITS RANK IN IDAHO, DAY BY DAYRANK, FIRST AT THE TOP1200400600Sep 29Oct 2Oct 5Oct 8Oct 11Oct 14Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%202
90 to 99%379
80 to 89%32
70 to 79%14
60 to 69%4
50 to 59%161
40 to 49%31
30 to 39%4
20 to 29%4
10 to 19%2
0 to 9%0
DayRankStations rankedShare received
Oct 16, 2026499833100.0%
Oct 15, 2026483833100.0%
Oct 14, 2026468829100.0%
Oct 13, 2026564835100.0%
Oct 12, 2026477835100.0%
Oct 11, 2026453834100.0%
Oct 10, 2026392833100.0%
Oct 9, 2026391833100.0%
Oct 8, 2026394786100.0%
Oct 7, 2026399783100.0%
Oct 6, 2026392782100.0%
Oct 5, 2026390768100.0%
Oct 4, 2026407731100.0%
Oct 3, 2026473726100.0%
Oct 2, 2026473726100.0%
Oct 1, 2026240660100.0%
Sep 30, 2026317658100.0%
Sep 29, 2026317654100.0%
Temperature and Dew point at Arco 17 SW, temperature from 37.4 to 59.2, the latest 46.9; dew point from 20.7 to 28.1, the latest 25.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF20304050603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16FREEZINGTEMPERATUREDEW POINT
Wind at Arco 17 SW, wind from 1 to 5, the latest 1, in miles an hour.WINDmph0123453 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Reports received at Arco 17 SW, reports from 0.0 to 12.0, the latest 0.0, in reports.REPORTS RECEIVEDreports0510153 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
The readings these charts were drawn from, as a table
HourTemperature FDew point FWind mphReports
Thu 15, 11 PM46.925.011
Thu 15, 10 PM46.025.3212
Thu 15, 9 PM46.026.9212
Thu 15, 8 PM48.526.9212
Thu 15, 7 PM51.825.6112
Thu 15, 6 PM54.924.0212
Thu 15, 5 PM58.121.7312
Thu 15, 4 PM59.220.7312
Thu 15, 3 PM58.521.6412
Thu 15, 2 PM56.321.2312
Thu 15, 1 PM54.222.1412
Thu 15, 12 PM52.322.2412
Thu 15, 11 AM50.022.0512
Thu 15, 10 AM46.524.9312
Thu 15, 9 AM41.825.2312
Thu 15, 8 AM38.224.2212
Thu 15, 7 AM37.823.8212
Thu 15, 6 AM39.523.8312
Thu 15, 5 AM38.123.3412
Thu 15, 4 AM39.524.2212
Thu 15, 3 AM37.425.7312
Thu 15, 2 AM38.326.9212
Thu 15, 1 AM39.628.1112
Temperature and Dew point at Arco 17 SW, temperature from 31.6 to 76.4, the latest 46.9; dew point from 18.6 to 42.6, the latest 25.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF020406080Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16FREEZINGTEMPERATUREDEW POINT
Wind at Arco 17 SW, wind from 0 to 17, the latest 1, in miles an hour.WINDmph05101520Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Reports received at Arco 17 SW, reports from 0.0 to 12.0, the latest 0.0, in reports.REPORTS RECEIVEDreports051015Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
The readings these charts were drawn from, as a table
HourTemperature FDew point FWind mphReports
Thu 15, 11 PM46.925.011
Thu 15, 10 PM46.025.3212
Thu 15, 9 PM46.026.9212
Thu 15, 8 PM48.526.9212
Thu 15, 7 PM51.825.6112
Thu 15, 6 PM54.924.0212
Thu 15, 5 PM58.121.7312
Thu 15, 4 PM59.220.7312
Thu 15, 3 PM58.521.6412
Thu 15, 2 PM56.321.2312
Thu 15, 1 PM54.222.1412
Thu 15, 12 PM52.322.2412
Thu 15, 11 AM50.022.0512
Thu 15, 10 AM46.524.9312
Thu 15, 9 AM41.825.2312
Thu 15, 8 AM38.224.2212
Thu 15, 7 AM37.823.8212
Thu 15, 6 AM39.523.8312
Thu 15, 5 AM38.123.3412
Thu 15, 4 AM39.524.2212
Thu 15, 3 AM37.425.7312
Thu 15, 2 AM38.326.9212
Thu 15, 1 AM39.628.1112
Thu 15, 12 AM42.428.3212
Wed 14, 11 PM42.927.4212
Wed 14, 10 PM44.828.0112
Wed 14, 9 PM44.529.7312
Wed 14, 8 PM47.129.2212
Wed 14, 7 PM47.731.5412
Wed 14, 6 PM51.733.5512
Wed 14, 5 PM55.434.0712
Wed 14, 4 PM55.734.3612
Wed 14, 3 PM54.234.4612
Wed 14, 2 PM52.734.2612
Wed 14, 1 PM51.233.7712
Wed 14, 12 PM49.133.6612
Wed 14, 11 AM46.232.6512
Wed 14, 10 AM42.832.3512
Wed 14, 9 AM38.733.7312
Wed 14, 8 AM32.929.5212
Wed 14, 7 AM31.627.9312
Wed 14, 6 AM32.928.8212
Wed 14, 5 AM34.129.6212
Wed 14, 4 AM35.329.5112
Wed 14, 3 AM36.930.4112
Wed 14, 2 AM35.929.2212
Wed 14, 1 AM37.930.3212
Wed 14, 12 AM38.130.9312
Tue 13, 11 PM38.831.4312
Tue 13, 10 PM40.331.4212
Tue 13, 9 PM39.630.6412
Tue 13, 8 PM41.331.2512
Tue 13, 7 PM44.132.6612
Tue 13, 6 PM47.333.7912
Tue 13, 5 PM49.534.51012
Tue 13, 4 PM49.334.71112
Tue 13, 3 PM48.535.01112
Tue 13, 2 PM47.735.91012
Tue 13, 1 PM45.837.8712
Tue 13, 12 PM40.935.8812
Tue 13, 11 AM42.836.7612
Tue 13, 10 AM41.334.6312
Tue 13, 9 AM39.434.0212
Tue 13, 8 AM38.433.8212
Tue 13, 7 AM37.533.0112
Tue 13, 6 AM38.134.0412
Tue 13, 5 AM37.433.1412
Tue 13, 4 AM36.833.1212
Tue 13, 3 AM36.232.6112
Tue 13, 2 AM36.733.5112
Tue 13, 1 AM37.234.4312
Tue 13, 12 AM36.934.1212
Mon 12, 11 PM37.034.0112
Mon 12, 10 PM37.033.6112
Mon 12, 9 PM37.534.0012
Mon 12, 8 PM37.533.7212
Mon 12, 7 PM39.434.3212
Mon 12, 6 PM40.533.6212
Mon 12, 5 PM40.933.7112
Mon 12, 4 PM41.334.5312
Mon 12, 3 PM40.936.1412
Mon 12, 2 PM39.736.5412
Mon 12, 1 PM38.836.4512
Mon 12, 12 PM37.135.1612
Mon 12, 11 AM36.534.7712
Mon 12, 10 AM34.533.1812
Mon 12, 9 AM33.031.7712
Mon 12, 8 AM32.831.5412
Mon 12, 7 AM32.231.0112
Mon 12, 6 AM32.231.0212
Mon 12, 5 AM32.231.0112
Mon 12, 4 AM32.331.2112
Mon 12, 3 AM34.233.4112
Mon 12, 2 AM35.734.6312
Mon 12, 1 AM36.635.6312
Mon 12, 12 AM37.035.9512
Sun 11, 11 PM37.836.7712
Sun 11, 10 PM38.637.2512
Sun 11, 9 PM38.937.3612
Sun 11, 8 PM40.038.4812
Sun 11, 7 PM39.938.0712
Sun 11, 6 PM42.240.0512
Sun 11, 5 PM43.941.8112
Sun 11, 4 PM43.441.5112
Sun 11, 3 PM42.740.8112
Sun 11, 2 PM41.739.8212
Sun 11, 1 PM40.738.8312
Sun 11, 12 PM40.638.2312
Sun 11, 11 AM41.938.8412
Sun 11, 10 AM43.840.8412
Sun 11, 9 AM45.342.6212
Sun 11, 8 AM43.039.6112
Sun 11, 7 AM40.036.9512
Sun 11, 6 AM44.941.9312
Sun 11, 5 AM43.940.0312
Sun 11, 4 AM44.740.5212
Sun 11, 3 AM43.939.5112
Sun 11, 2 AM42.336.8412
Sun 11, 1 AM45.438.2212
Sun 11, 12 AM47.936.7212
Sat 10, 11 PM49.633.0212
Sat 10, 10 PM49.830.1512
Sat 10, 9 PM52.033.9812
Sat 10, 8 PM53.234.7612
Sat 10, 7 PM55.833.6512
Sat 10, 6 PM58.434.0612
Sat 10, 5 PM59.134.5912
Sat 10, 4 PM61.732.91012
Sat 10, 3 PM65.532.41212
Sat 10, 2 PM65.032.91112
Sat 10, 1 PM62.332.31112
Sat 10, 12 PM61.030.91512
Sat 10, 11 AM60.728.81412
Sat 10, 10 AM59.830.51212
Sat 10, 9 AM57.434.41112
Sat 10, 8 AM53.836.6612
Sat 10, 7 AM52.236.3512
Sat 10, 6 AM55.132.91012
Sat 10, 5 AM58.928.7712
Sat 10, 4 AM58.827.9612
Sat 10, 3 AM54.424.2312
Sat 10, 2 AM55.023.7312
Sat 10, 1 AM56.823.3212
Sat 10, 12 AM57.423.1212
Fri 9, 11 PM60.022.9212
Fri 9, 10 PM61.122.4312
Fri 9, 9 PM62.621.2312
Fri 9, 8 PM66.220.6412
Fri 9, 7 PM69.520.01012
Fri 9, 6 PM72.219.01112
Fri 9, 5 PM74.719.21412
Fri 9, 4 PM75.020.41412
Fri 9, 3 PM76.419.41712
Fri 9, 2 PM76.118.61412
Fri 9, 1 PM74.819.51112
Fri 9, 12 PM72.121.5612
Fri 9, 11 AM66.222.3412
Fri 9, 10 AM61.022.5312
Fri 9, 9 AM55.322.8312
Fri 9, 8 AM51.722.2112
Fri 9, 7 AM51.922.1212
Fri 9, 6 AM58.022.8212
Fri 9, 5 AM53.922.7212
Fri 9, 4 AM53.622.1212
Fri 9, 3 AM56.322.8212
Fri 9, 2 AM56.423.3312
Fri 9, 1 AM56.223.2412
High and Low at Arco 17 SW, high from 42.3 to 82.2, the latest 59.4; low from 30.0 to 54.9, the latest 34.2, in degrees Fahrenheit.HIGH AND LOWF20406080100Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12FREEZINGHIGHLOW
Highest dew point and Lowest dew point at Arco 17 SW, highest dew point from 22.8 to 54.2, the latest 29.7; lowest dew point from 6.0 to 39.6, the latest 19.8, in degrees Fahrenheit.HIGHEST DEW POINT AND LOWEST DEW POINTF0204060Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12HIGHEST DEW POINTLOWEST DEW POINT
Highest humidity and Lowest humidity at Arco 17 SW, highest humidity from 24 to 97, the latest 66; lowest humidity from 6 to 74, the latest 22, in per cent.HIGHEST HUMIDITY AND LOWEST HUMIDITY%0255075100Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12HIGHEST HUMIDITYLOWEST HUMIDITY
Precipitation at Arco 17 SW, precipitation from 0.00 to 0.50, the latest 0.00, in inches.PRECIPITATIONin0.000.200.400.60Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12
The readings these charts were drawn from, as a table
DayHigh FLow FHighest dew point FLowest dew point FHighest humidity %Lowest humidity %Precipitation in
Oct 1559.434.229.719.866220.00
Oct 1456.830.035.826.388430.00
Oct 1350.235.138.929.990550.00
Oct 1242.332.037.630.797740.30
Oct 1149.137.443.235.096580.50
Oct 1066.948.737.522.758250.01
Oct 977.049.524.317.534110.00
Oct 878.348.723.310.52880.00
Oct 779.249.825.96.03260.00
Oct 679.054.926.915.325120.00
Oct 582.254.723.714.424100.00
Oct 481.350.722.89.42970.00
Oct 376.846.928.712.237100.00
Oct 277.547.535.512.957110.00
Oct 172.746.236.828.456200.00
Sep 3072.046.034.322.748200.00
Sep 2969.443.736.017.263180.00
Sep 2870.045.539.926.455220.00
Sep 2773.246.927.319.043150.00
Sep 2666.040.632.48.355110.00
Sep 2576.148.032.123.545150.00
Sep 2477.745.939.221.361140.00
Sep 2372.544.846.231.482240.00
Sep 2266.247.747.628.783360.01
Sep 2171.444.240.226.672200.00
Sep 2067.542.841.034.775340.00
Sep 1961.742.446.035.483450.02
Sep 1865.147.749.539.688480.00
Sep 1768.751.154.237.082400.06

Station report

Arco 17 SW, in 5 sheets

Drawn from its report of Oct 15, 2026, 9:00 PM local time, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The air

Contents

47.1 F with a dew point of 27.4 F, 46 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,500 ft up.

Chart of the air at Arco 17 SW: temperature 47.1 degrees Fahrenheit and dew point 27.4, 46 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 04126FIG. B THE AIR AT ARCO 17 SWTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00010 F20 F30 F40 F50 F60 FSATURATES 4,500 FT ABOVE THE STATION, AT 23.3 FTEMPERATURE 47.1 FDEW POINT 27.4 FSPREAD 19.7 FRELATIVE HUMIDITY 46 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEArco 17 SW, the airSTATION REPORT · USCRN 04126TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-04126-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

From the Field Book

2The wind

Contents

At 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Arco 17 SW, north up: at 3 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 04126FIG. C THE WIND AT ARCO 17 SWPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEArco 17 SW, the windSTATION REPORT · USCRN 04126TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-04126-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

3The column

Contents

At 5,920 ft above sea level, 20 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 24.05 inHg and the temperature at 37.9 F; it reports 47.1 F, 9.2 F warmer than standard.

Section from sea level of where Arco 17 SW stands in the atmosphere, height to scale: the station 5,920 feet above sea level with 20 per cent of the air below it; the standard atmosphere's pressure there, 24.05 inches of mercury, and temperature, 37.9 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 04126FIG. D WHERE ARCO 17 SW STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREARCO 17 SW20 PER CENT OF THE AIR BELOW IT5,920 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE24.05 inHgSTANDARD TEMPERATURE HERE37.9 FTEMPERATURE, REPORTED47.1 FTITLEArco 17 SW, the columnSTATION REPORT · USCRN 04126TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-04126-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

4The sun

Contents

On Oct 16 the noon sun stands 37 degrees above the horizon at 43.46 N, and the day is 10 h 50 min long. Level ground there takes 61 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Arco 17 SW, angles true: on Oct 16 it stands 37 degrees above the horizon, against 70 at the June solstice, 47 at the equinoxes and 23 at the December solstice; the day is 10 h 50 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 04126FIG. E THE SUN AT ARCO 17 SWELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 70°EQUINOXES 47°DECEMBER SOLSTICE 23°OCT 16, 37°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 50 MINLEVEL GROUND TAKES 61 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 43.46 N; THE SUN'S DECLINATION -9.1°TITLEArco 17 SW, the sunSTATION REPORT · USCRN 04126TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 4 of 5DATE2026-10-16IDSR-04126-4DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

5The instrument

Contents

A weather instrument, 5,920 ft above sea level. Its report of Oct 15, 2026, 9:00 PM local time is written on the sensors that made it.

Elevation of the instrument, Arco 17 SW, each sensor drawn and labelled with what it read: antenna, sending by satellite, last heard oct 15, 2026, 9:00 pm local time; air temperature, 47.1 f, dew point 27.4 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 04126FIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READ, OCT 15, 2026, 9:00 PM LOCAL TIMEANTENNA, SENDING BY SATELLITELAST HEARD OCT 15, 2026, 9:00 PM LOCAL TIMEAIR TEMPERATURE47.1 F, DEW POINT 27.4 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEArco 17 SW, the instrumentSTATION REPORT · USCRN 04126TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 5 of 5DATE2026-10-16IDSR-04126-5DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Arco 17 SW