Storm Station
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A remote fire weather station

DCP network, identified by the register

Identifier
GCAP4
Latitude
17.95420 N
Longitude
66.88220 W
Elevation
32 ft
Observed
1:33 AMAST, 45 minutes ago
Air temperature
76F
What it feels like
76F
High so far today
77F
Low so far today
76F
Dew point
75F
Relative humidity
97%
Wind
3mph
Gust
5mph
Strongest wind today
3mph
Wind direction
74°
Precipitation this hour
0in
Precipitation today
0in

Ranking Statistics

A remote fire weather station

Drawn as the kind of place it stands at. 7 instruments in Puerto Rico stand at one.

Station charts

Guanica RAWS Report

Rank 1 of 243 in Puerto Rico, 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 score100.0of 100

Puerto Rico median
97.5the median score of 243 stations
Scoring higher
0stations in Puerto Rico
Sharing its score
25ranks 1 to 25
Points deducted
0.0of 100
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Puerto Rico median 100.0, 100.0, 100.0
Next above
-
Next below
ARBP4rank 3; behind on reports due 112 against 4, the longer record first
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 pointsPuerto Rico median 99.1112 of 112 scheduled reports received in 7 days
  2. Arrivalweight 10100.010.0 of 10 pointsPuerto Rico median 84.7half its reports arrived within 10 min
  3. Continuityweight 10100.010.0 of 10 pointsPuerto Rico median 100.0longest silence 60 min, on a schedule of one report every 60 min
  4. Accuracyweight 20-20.0 of 20 points, at the medianPuerto Rico median 100.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianPuerto Rico median 100.0-
  6. Forecast checkweight 10-10.0 of 10 points, at the medianPuerto Rico median 100.0-

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 (3 h), none for 72 (72 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 houron the hour's :33
Reports received, 24 hours
19 of 2479.1% of its schedule, 20 reports in all
Reports received, 7 days
162 of 16896.4% of its schedule, 169 reports in all
Days reported, 30 days
30 of 30
Longest silence, 7 days
5 hoursfrom Oct 15, 7:33 PM
Latest report
Oct 16, 1:33 AMlocal time
Time to reach Storm Station
10 min9 in 10 within 20 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: 112 of 112 scheduled reports received, 100%.

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

Chart of the 243 ranked stations in Puerto Rico 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, 0; 20 to 29 per cent, 1; 30 to 39 per cent, 0; 40 to 49 per cent, 0; 50 to 59 per cent, 10; 60 to 69 per cent, 0; 70 to 79 per cent, 14; 80 to 89 per cent, 3; 90 to 99 per cent, 115; 100 per cent, 100. Guanica RAWS received 100.0 per cent, 112 of 112 scheduled reports, rank 1 of 243.WHERE IT RANKS IN PUERTO RICO, Oct 16THIS ONE: 100.0%, 112 OF 112, RANK 1 OF 243PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 910 to 1920 to 29130 to 3940 to 4950 to 591060 to 6970 to 791480 to 89390 to 99115100100STATIONS, LOG SCALE
Chart of Guanica RAWS's rank in Puerto Rico by how it reported, day by day, from 2026-10-12 to 2026-10-16: 2026-10-12 rank 1 of 185; 2026-10-13 rank 1 of 187; 2026-10-14 rank 1 of 233; 2026-10-15 rank 1 of 236; 2026-10-16 rank 1 of 243.ITS RANK IN PUERTO RICO, DAY BY DAYRANK, FIRST AT THE TOP11222Oct 12Oct 13Oct 14Oct 15Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%100
90 to 99%115
80 to 89%3
70 to 79%14
60 to 69%0
50 to 59%10
40 to 49%0
30 to 39%0
20 to 29%1
10 to 19%0
0 to 9%0
DayRankStations rankedShare received
Oct 16, 20261243100.0%
Oct 15, 20261236100.0%
Oct 14, 20261233100.0%
Oct 13, 20261187100.0%
Oct 12, 20261185100.0%
Temperature and Dew point at Guanica RAWS, temperature from 72.0 to 91.0, the latest 76.0; dew point from 75.0 to 76.0, the latest 75.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF7075808590953 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16TEMPERATUREDEW POINT
Relative humidity at Guanica RAWS, relative humidity from 97 to 97, the latest 97, in per cent.RELATIVE HUMIDITY%9696.59797.5983 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Wind and Gust at Guanica RAWS, wind from 0 to 13, the latest 3; gust from 4 to 5, the latest 5, in miles an hour.WIND AND GUSTmph0510153 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Guanica RAWS, wind direction from 43 to 183, the latest 74, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Reports received at Guanica RAWS, reports from 0.0 to 2.0, the latest 0.0, in reports.REPORTS RECEIVEDreports00.511.523 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
The readings these charts were drawn from, as a table
HourTemperature FDew point FRelative humidity %Wind mphGust mphWind direction °Precipitation inReports
Fri 16, 1 AM76.075.09735740.001
Fri 16, 12 AM77.076.09704-0.001
Thu 15, 7 PM83.0--1-1530.001
Thu 15, 5 PM86.0--5-1620.001
Thu 15, 4 PM86.0--4-1830.001
Thu 15, 3 PM86.0--7-1740.001
Thu 15, 2 PM89.0--6-1450.001
Thu 15, 1 PM91.0--10-1530.001
Thu 15, 12 PM91.0--13-1650.001
Thu 15, 11 AM91.0--10-1720.001
Thu 15, 10 AM90.0--10-1760.001
Thu 15, 9 AM90.0--9-1400.001
Thu 15, 8 AM84.3--4-430.002
Thu 15, 7 AM78.0--3-460.001
Thu 15, 6 AM72.0--3-660.001
Thu 15, 5 AM72.0--2-550.001
Thu 15, 4 AM73.0--1-730.001
Thu 15, 3 AM73.0--0--0.001
Temperature and Dew point at Guanica RAWS, temperature from 72.0 to 93.0, the latest 76.0; dew point from 75.0 to 76.0, the latest 75.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF708090100Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16TEMPERATUREDEW POINT
Relative humidity at Guanica RAWS, relative humidity from 97 to 97, the latest 97, in per cent.RELATIVE HUMIDITY%9696.59797.598Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Wind and Gust at Guanica RAWS, wind from 0 to 13, the latest 3; gust from 4 to 5, the latest 5, in miles an hour.WIND AND GUSTmph051015Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16WINDGUST
Wind direction at Guanica RAWS, wind direction from 24 to 331, the latest 74, in degrees.WIND DIRECTION°090180270360Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Precipitation at Guanica RAWS, precipitation from 0.00 to 0.67, the latest 0.00, in inches.PRECIPITATIONin0.000.200.400.600.80Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Reports received at Guanica RAWS, reports from 0.0 to 2.0, the latest 0.0, in reports.REPORTS RECEIVEDreports00.511.52Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
The readings these charts were drawn from, as a table
HourTemperature FDew point FRelative humidity %Wind mphGust mphWind direction °Precipitation inReports
Fri 16, 1 AM76.075.09735740.001
Fri 16, 12 AM77.076.09704-0.001
Thu 15, 7 PM83.0--1-1530.001
Thu 15, 5 PM86.0--5-1620.001
Thu 15, 4 PM86.0--4-1830.001
Thu 15, 3 PM86.0--7-1740.001
Thu 15, 2 PM89.0--6-1450.001
Thu 15, 1 PM91.0--10-1530.001
Thu 15, 12 PM91.0--13-1650.001
Thu 15, 11 AM91.0--10-1720.001
Thu 15, 10 AM90.0--10-1760.001
Thu 15, 9 AM90.0--9-1400.001
Thu 15, 8 AM84.3--4-430.002
Thu 15, 7 AM78.0--3-460.001
Thu 15, 6 AM72.0--3-660.001
Thu 15, 5 AM72.0--2-550.001
Thu 15, 4 AM73.0--1-730.001
Thu 15, 3 AM73.0--0--0.001
Thu 15, 2 AM74.0--2-440.001
Thu 15, 1 AM75.0--0--0.001
Thu 15, 12 AM76.0--3-530.001
Wed 14, 11 PM76.0--2-660.001
Wed 14, 10 PM78.0--3-620.001
Wed 14, 9 PM79.0--3-610.001
Wed 14, 8 PM80.0--4-380.001
Wed 14, 7 PM80.0--5-460.001
Wed 14, 6 PM80.0--4-660.001
Wed 14, 5 PM83.0--4-440.001
Wed 14, 4 PM84.0--5-3310.001
Wed 14, 3 PM89.0--10-1560.001
Wed 14, 2 PM90.0--10-1920.001
Wed 14, 1 PM90.0--9-1900.001
Wed 14, 12 PM91.0--10-1630.001
Wed 14, 11 AM93.0--9-1330.001
Wed 14, 10 AM91.0--7-1530.001
Wed 14, 9 AM89.0--9-920.001
Wed 14, 8 AM84.8--7-880.002
Wed 14, 7 AM84.0--5-1300.001
Wed 14, 6 AM74.0--1-790.001
Wed 14, 5 AM74.0--0--0.001
Wed 14, 4 AM76.0--3-560.001
Wed 14, 3 AM78.0--3-580.001
Wed 14, 2 AM78.0--2-830.001
Wed 14, 1 AM79.0--5-360.001
Wed 14, 12 AM79.0--3-390.001
Tue 13, 11 PM80.0--3-1000.001
Tue 13, 10 PM80.0--1-980.001
Tue 13, 9 PM82.0--3-300.001
Tue 13, 8 PM83.0--2-1280.001
Tue 13, 7 PM84.0--4-1190.001
Tue 13, 6 PM84.0--2-1710.001
Tue 13, 5 PM85.0--5-1520.001
Tue 13, 4 PM88.0--7-1340.001
Tue 13, 3 PM90.0--8-1700.001
Tue 13, 1 PM90.0--11-1870.001
Tue 13, 12 PM91.0--10-1820.001
Tue 13, 11 AM91.0--8-1550.001
Tue 13, 10 AM88.0--7-840.001
Tue 13, 9 AM88.0--6-1360.001
Tue 13, 8 AM84.0--7-860.002
Tue 13, 7 AM76.0--3-490.001
Tue 13, 6 AM73.0--2-770.001
Tue 13, 5 AM74.0--2-610.001
Tue 13, 4 AM74.0--2-380.001
Tue 13, 3 AM74.0--2-570.001
Tue 13, 2 AM75.0--0--0.001
Tue 13, 1 AM75.0--3-330.001
Tue 13, 12 AM76.0--3-480.001
Mon 12, 11 PM77.0--2-460.001
Mon 12, 10 PM78.0--3-580.001
Mon 12, 9 PM79.0--3-580.001
Mon 12, 8 PM81.0--2-240.001
Mon 12, 7 PM82.0--4-1400.001
Mon 12, 6 PM83.0--2-1350.001
Mon 12, 5 PM87.0--7-1240.001
Mon 12, 4 PM88.0--8-1300.001
Mon 12, 3 PM89.0--9-1450.001
Mon 12, 2 PM90.0--9-1410.001
Mon 12, 1 PM90.0--10-1670.001
Mon 12, 12 PM91.0--10-1550.001
Mon 12, 11 AM90.0--10-1380.001
Mon 12, 10 AM90.0--9-1370.001
Mon 12, 9 AM89.0--9-1140.001
Mon 12, 8 AM81.5--4-320.002
Mon 12, 7 AM76.0--1-960.001
Mon 12, 6 AM73.0--3-410.001
Mon 12, 5 AM72.0--0--0.001
Mon 12, 4 AM73.0--3-590.001
Mon 12, 3 AM73.0--3-570.001
Mon 12, 2 AM74.0--4-320.001
Mon 12, 1 AM75.0--0--0.001
Mon 12, 12 AM76.0--1-3040.001
Sun 11, 11 PM76.0--2-310.001
Sun 11, 10 PM76.0--0--0.001
Sun 11, 9 PM79.0--4-570.001
Sun 11, 8 PM81.0--4-1230.001
Sun 11, 7 PM82.0--4-1290.001
Sun 11, 6 PM83.0--5-1220.001
Sun 11, 5 PM86.0--8-1310.001
Sun 11, 4 PM88.0--10-1320.001
Sun 11, 3 PM88.0--12-1380.001
Sun 11, 2 PM90.0--10-1190.001
Sun 11, 1 PM86.0--8-1300.001
Sun 11, 12 PM89.0--10-1370.001
Sun 11, 11 AM88.0--8-1480.001
Sun 11, 10 AM86.0--7-960.001
Sun 11, 9 AM81.0--9-860.031
Sun 11, 8 AM79.0--9-980.072
Sun 11, 7 AM75.0--5-1180.061
Sun 11, 6 AM75.0--9-910.021
Sun 11, 5 AM76.0--9-1380.011
Sun 11, 4 AM78.0--5-750.001
Sun 11, 3 AM77.0--4-460.001
Sun 11, 2 AM75.0--2-270.001
Sun 11, 1 AM76.0--2-710.001
Sun 11, 12 AM77.0--4-820.001
Sat 10, 11 PM76.0--5-1280.001
Sat 10, 10 PM75.0--0--0.001
Sat 10, 9 PM75.0--0--0.001
Sat 10, 8 PM76.0--3-600.001
Sat 10, 7 PM77.0--3-280.671
Sat 10, 6 PM80.0--9-490.051
Sat 10, 5 PM86.0--6-1310.001
Sat 10, 4 PM87.0--10-1440.001
Sat 10, 3 PM89.0--9-1560.001
Sat 10, 2 PM86.0--7-1350.001
Sat 10, 1 PM90.0--10-1570.001
Sat 10, 12 PM91.0--11-1630.001
Sat 10, 11 AM89.0--10-1600.001
Sat 10, 10 AM91.0--10-1690.001
Sat 10, 9 AM90.0--10-910.001
Sat 10, 8 AM84.5--5-920.002
Sat 10, 7 AM78.0--1-770.001
Sat 10, 6 AM73.0--2-510.001
Sat 10, 5 AM73.0--2-720.001
Sat 10, 4 AM74.0--3-490.001
Sat 10, 3 AM75.0--4-620.001
Sat 10, 2 AM75.0--2-520.001
Sat 10, 1 AM75.0--3-600.001
Sat 10, 12 AM76.0--3-750.001
Fri 9, 11 PM77.0--4-500.001
Fri 9, 10 PM77.0--3-520.001
Fri 9, 9 PM78.0--4-520.001
Fri 9, 8 PM80.0--4-480.001
Fri 9, 7 PM83.0--4-520.001
Fri 9, 6 PM84.0--5-1460.001
Fri 9, 5 PM85.0--9-1240.001
Fri 9, 4 PM87.0--10-1640.001
Fri 9, 3 PM89.0--11-1430.001
Fri 9, 2 PM90.0--12-1350.001
Fri 9, 1 PM90.0--13-164-1
Fri 9, 12 PM90.0--12-1630.001
Fri 9, 11 AM90.0--12-1740.001
Fri 9, 10 AM91.0--9-1330.001
Fri 9, 9 AM89.0--10-1200.001
Fri 9, 8 AM84.5--7-1060.002
Fri 9, 7 AM81.0--4-550.001
Fri 9, 6 AM74.0--1-550.001
Fri 9, 5 AM76.0--3-790.001
Fri 9, 4 AM80.0--4-1040.001
Fri 9, 3 AM80.0--5-980.001
High and Low at Guanica RAWS, high from 77.0 to 93.0, the latest 77.0; low from 72.0 to 79.0, the latest 76.0, in degrees Fahrenheit.HIGH AND LOWF708090100Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12HIGHLOW
Highest dew point and Lowest dew point at Guanica RAWS, highest dew point from 74.6 to 78.0, the latest 76.0; lowest dew point from 66.7 to 75.0, the latest 75.0, in degrees Fahrenheit.HIGHEST DEW POINT AND LOWEST DEW POINTF65707580Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12HIGHEST DEW POINTLOWEST DEW POINT
Highest humidity and Lowest humidity at Guanica RAWS, highest humidity from 76 to 97, the latest 97; lowest humidity from 45 to 97, the latest 97, in per cent.HIGHEST HUMIDITY AND LOWEST HUMIDITY%406080100Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12HIGHEST HUMIDITYLOWEST HUMIDITY
Strongest gust at Guanica RAWS, strongest gust from 5 to 33, the latest 5, in miles an hour.STRONGEST GUSTmph010203040Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12
Precipitation at Guanica RAWS, precipitation from 0.00 to 1.09, the latest 0.00, in inches.PRECIPITATIONin0.000.501.001.50Sep 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 %Strongest gust mphPrecipitation in
Oct 1677.076.076.075.0979750.00
Oct 1591.072.077.471.19757210.63
Oct 1493.074.076.168.59645190.00
Oct 1391.073.077.771.49661190.00
Oct 1291.072.076.170.29557230.00
Oct 1190.075.075.370.39256240.19
Oct 1091.073.076.171.19755230.72
Oct 991.074.077.069.79160240.00
Oct 890.078.077.072.78464230.00
Oct 786.077.077.770.79372271.09
Oct 692.073.076.070.59552240.00
Oct 591.075.077.071.89259190.00
Oct 492.073.076.169.59253200.00
Oct 391.077.074.670.38155210.00
Oct 292.079.075.569.77654280.00
Oct 191.074.076.171.29158330.00
Sep 3093.072.076.970.89652250.03
Sep 2993.073.077.166.79645240.03
Sep 2892.074.076.171.29155240.00
Sep 2792.074.076.969.78854200.00
Sep 2692.075.074.769.88854190.00
Sep 2591.074.076.172.19456200.00
Sep 2491.079.077.573.19161190.00
Sep 2392.074.076.572.19455240.00
Sep 2291.075.077.072.19357200.00
Sep 2191.077.078.073.18957220.01
Sep 2091.074.076.670.89059210.00
Sep 1991.074.076.171.89455200.00
Sep 1892.079.076.672.79157200.00
Sep 1791.077.077.572.89461230.79

Station report

Guanica RAWS, in 5 sheets

Drawn from its report of Oct 16, 2026, 1:33 AM local time, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The air

Contents

76.0 F with a dew point of 75.0 F, 97 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 200 ft up.

Chart of the air at Guanica RAWS: temperature 76.0 degrees Fahrenheit and dew point 75.0, 97 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GCAP4FIG. B THE AIR AT GUANICA RAWSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 F90 FSATURATES 200 FT ABOVE THE STATION, AT 74.8 FTEMPERATURE AND DEW POINT 76.0 F, 75.0 FRELATIVE HUMIDITY 97 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 POINTTITLEGuanica RAWS, the airSTATION REPORT · DCP GCAP4TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-GCAP4-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

From the Field Book

2The wind

Contents

From the east northeast (74 degrees) at 3 mph, gusting 5 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 5 mph.

Plan of the wind at Guanica RAWS, north up: blowing from 74 degrees, the east northeast, at 3 miles an hour, gusting 5; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GCAP4FIG. C THE WIND AT GUANICA RAWSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 74°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE4GUST, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGuanica RAWS, the windSTATION REPORT · DCP GCAP4TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-GCAP4-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

3The column

Contents

At 32 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.89 inHg and the temperature at 58.9 F; it reports 76.0 F, 17.1 F warmer than standard.

Section from sea level of where Guanica RAWS stands in the atmosphere, height to scale: the station 32 feet above sea level with 0 per cent of the air below it; the standard atmosphere's pressure there, 29.89 inches of mercury, and temperature, 58.9 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GCAP4FIG. D WHERE GUANICA RAWS 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 ATMOSPHEREGUANICA RAWS0 PER CENT OF THE AIR BELOW IT32 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 HERE29.89 inHgSTANDARD TEMPERATURE HERE58.9 FTEMPERATURE, REPORTED76.0 FTITLEGuanica RAWS, the columnSTATION REPORT · DCP GCAP4TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-GCAP4-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

4The sun

Contents

On Oct 16 the noon sun stands 63 degrees above the horizon at 17.95 N, and the day is 11 h 36 min long. Level ground there takes 89 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Guanica RAWS, angles true: on Oct 16 it stands 63 degrees above the horizon, against 85 at the June solstice, 72 at the equinoxes and 49 at the December solstice; the day is 11 h 36 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GCAP4FIG. E THE SUN AT GUANICA RAWSELEVATION 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 85°EQUINOXES 72°DECEMBER SOLSTICE 49°OCT 16, 63°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 36 MINLEVEL GROUND TAKES 89 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 17.95 N; THE SUN'S DECLINATION -9.1°TITLEGuanica RAWS, the sunSTATION REPORT · DCP GCAP4TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 4 of 5DATE2026-10-16IDSR-GCAP4-4DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

5The instrument

Contents

A data collection platform, 32 ft above sea level. Its report of Oct 16, 2026, 1:33 AM local time is written on the sensors that made it.

Elevation of a data collection platform, Guanica RAWS, each sensor drawn and labelled with what it read: antenna, sending by satellite, last heard oct 16, 2026, 1:33 am local time; air temperature, 76.0 f, dew point 75.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GCAP4FIG. F THE INSTRUMENTELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READ, OCT 16, 2026, 1:33 AM LOCAL TIMEANTENNA, SENDING BY SATELLITELAST HEARD OCT 16, 2026, 1:33 AM LOCAL TIMEAIR TEMPERATURE76.0 F, DEW POINT 75.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEGuanica RAWS, the instrumentSTATION REPORT · DCP GCAP4TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 5 of 5DATE2026-10-16IDSR-GCAP4-5DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Guanica RAWS