Storm Station

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, 3 days ago
Precipitation today
-

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
19 of 30
Longest silence, 7 days
2 days 18 hoursfrom Oct 8, 8:00 AM
Latest report
Oct 8, 8:00 AMlocal time
Reports received at Maricao Fish Hatchery, reports from 0.0 to 1.0, the latest 0.0, in reports.REPORTS RECEIVEDreports00.250.50.751Mon 5Tue 6Wed 7Thu 8Fri 9Sat 10Sun 11
Precipitation at Maricao Fish Hatchery, precipitation from 0.00 to 4.25, the latest 0.23, in inches.PRECIPITATIONin0.002.004.006.00Sep 12Sep 17Sep 22Sep 27Oct 2Oct 7
The readings these charts were drawn from, as a table
DayPrecipitation in
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
Sep 160.30
Sep 150.78
Sep 141.10

Station report

Maricao Fish Hatchery, in 3 sheets

Drawn from the register, 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 SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-11IDSR-MARP4-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 11 the noon sun stands 65 degrees above the horizon at 18.17 N, and the day is 11 h 41 min long. Level ground there takes 90 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 11 it stands 65 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 41 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 11, 65°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 41 MINLEVEL GROUND TAKES 90 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 18.17 N; THE SUN'S DECLINATION -7.2°TITLEMaricao Fish Hatchery, the sunSTATION REPORT · COOP MARP4TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-11IDSR-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 sensors, as its network builds them.

Elevation of a cooperative observer's station, Maricao Fish Hatchery, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MARP4FIG. F THE INSTRUMENTELEVATION OF A COOPERATIVE OBSERVER'S STATION, EACH SENSOR WITH WHAT IT READTHERMOMETER IN ITS SHIELD, 5 FT-STANDARD 8 INCH RAIN GAUGE-SNOW BOARD AND MEASURING STAKE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEMaricao Fish Hatchery, the instrumentSTATION REPORT · COOP MARP4TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-11IDSR-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

Weather instruments