Storm Station
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At a cooperative observer's station

COOP network, identified by the register

Identifier
MARP4
Latitude
18.17250 N
Longitude
66.98720 W
Elevation
1,623 ft
Rank
-
Observed
8:00 AMAST, 17 hours ago
Precipitation today
0.6in

On the radar over Maricao Fish HatcheryReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a cooperative observer's station

Drawn as the kind of place it stands at. 29 instruments in Puerto Rico stand at one.

Station charts

Maricao Fish Hatchery Report

Rank
-
Reports received, 7 days
4
Days reported, 30 days
20 of 30
Longest silence, 7 days
4 daysfrom Oct 9, 8:00 AM
Latest report
Oct 15, 8:00 AMlocal time
Time to reach Storm Station
5 h 21 min
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.WHERE IT RANKS IN PUERTO RICO, Oct 16PER 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
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
Reports received at Maricao Fish Hatchery, reports from 0.0 to 1.0, the latest 0.0, in reports.REPORTS RECEIVEDreports00.250.50.7513 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Reports received at Maricao Fish Hatchery, reports from 0.0 to 1.0, the latest 0.0, in reports.REPORTS RECEIVEDreports00.250.50.751Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Precipitation at Maricao Fish Hatchery, precipitation from 0.00 to 4.25, the latest 0.58, in inches.PRECIPITATIONin0.002.004.006.00Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12
The readings these charts were drawn from, as a table
DayPrecipitation in
Oct 150.58
Oct 140.26
Oct 131.50
Oct 90.45
Oct 80.23
Oct 71.74
Oct 60.06
Oct 54.25
Oct 20.35
Oct 10.94
Sep 300.05
Sep 290.00
Sep 280.10
Sep 250.00
Sep 240.00
Sep 230.15
Sep 220.07
Sep 210.40
Sep 180.73
Sep 170.82

Station report

Maricao Fish Hatchery, in 3 sheets

Drawn from its report of Oct 15, 2026, 8:00 AM local time, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The column

Contents

At 1,623 ft above sea level, 6 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.21 inHg and the temperature at 53.2 F.

Section from sea level of where Maricao Fish Hatchery stands in the atmosphere, height to scale: the station 1,623 feet above sea level with 6 per cent of the air below it; the standard atmosphere's pressure there, 28.21 inches of mercury, and temperature, 53.2 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MARP4FIG. D WHERE MARICAO FISH HATCHERY 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 ATMOSPHEREMARICAO FISH HATCHERY6 PER CENT OF THE AIR BELOW IT1,623 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 HERE28.21 inHgSTANDARD TEMPERATURE HERE53.2 FTITLEMaricao Fish Hatchery, the columnSTATION REPORT · COOP MARP4TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 3DATE2026-10-15IDSR-MARP4-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 15 the noon sun stands 63 degrees above the horizon at 18.17 N, and the day is 11 h 37 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 Maricao Fish Hatchery, angles true: on Oct 15 it stands 63 degrees above the horizon, against 85 at the June solstice, 72 at the equinoxes and 48 at the December solstice; the day is 11 h 37 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MARP4FIG. E THE SUN AT MARICAO FISH HATCHERYELEVATION 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 48°OCT 15, 63°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 37 MINLEVEL GROUND TAKES 89 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 18.17 N; THE SUN'S DECLINATION -8.7°TITLEMaricao Fish Hatchery, the sunSTATION REPORT · COOP MARP4TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 2 of 3DATE2026-10-15IDSR-MARP4-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A cooperative observer's station, 1,623 ft above sea level. Its report of Oct 15, 2026, 8:00 AM local time is written on the sensors that made it.

Elevation of a cooperative observer's station, Maricao Fish Hatchery, each sensor drawn and labelled with what it read: standard 8 inch rain gauge, 0.58 in.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MARP4FIG. F THE INSTRUMENTELEVATION OF A COOPERATIVE OBSERVER'S STATION, EACH SENSOR WITH WHAT IT READ, OCT 15, 2026, 8:00 AM LOCAL TIMETHERMOMETER IN ITS SHIELD, 5 FT-STANDARD 8 INCH RAIN GAUGE0.58 INSNOW BOARD AND MEASURING STAKE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEMaricao Fish Hatchery, the instrumentSTATION REPORT · COOP MARP4TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 3 of 3DATE2026-10-15IDSR-MARP4-3DRAWN AS linework on paperSOURCES FB-INS-001, FB-INS-009, FB-INS-003

From the Field Book

The instrumentWhat an instrument is FB-INS-001Personal weather station FB-INS-003Stevenson screen and siting FB-INS-009

What it seesHydrostatic balance FB-ENG-003Radiation budget FB-ENG-007Nor'easter FB-EVT-066Blizzard FB-EVT-081Ice storm FB-EVT-084Heat wave and heat dome FB-EVT-130Snowpack strata FB-WAT-031

Near Maricao Fish Hatchery

Gauges

Weather instruments