Storm Station
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At a cooperative observer's station

COOP network, identified by the register

Identifier
ALPP4
Latitude
18.12690 N
Longitude
66.26420 W
Elevation
2,351 ft
Observed
7:00 AMAST, 19 hours ago
Air temperature
71F
High so far today
85F
Low so far today
70F
Precipitation today
0in

Ranking Statistics

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

Aibonito Report

Rank 22 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.

Reports received, 7 days
7
Days reported, 30 days
29 of 30
Longest silence, 7 days
24 hoursfrom Oct 9, 7:00 AM
Latest report
Oct 15, 7:00 AMlocal time
Reports received at Aibonito, 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
The readings these charts were drawn from, as a table
HourTemperature FReports
Thu 15, 7 AM75.31
Temperature at Aibonito, temperature from 73.3 to 75.3, the latest 75.3, in degrees Fahrenheit.TEMPERATUREF7373.57474.57575.5Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Reports received at Aibonito, 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
The readings these charts were drawn from, as a table
HourTemperature FReports
Thu 15, 7 AM75.31
Wed 14, 7 AM75.01
Tue 13, 7 AM74.71
Mon 12, 7 AM73.71
Sun 11, 7 AM73.31
Sat 10, 7 AM75.01
Fri 9, 7 AM74.31
High and Low at Aibonito, high from 79.0 to 86.0, the latest 85.0; low from 68.0 to 71.0, the latest 70.0, in degrees Fahrenheit.HIGH AND LOWF657075808590Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12HIGHLOW
Precipitation at Aibonito, precipitation from 0.00 to 1.56, the latest 0.00, in inches.PRECIPITATIONin0.000.501.001.502.00Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12
The readings these charts were drawn from, as a table
DayHigh FLow FPrecipitation in
Oct 1585.070.00.00
Oct 1483.071.00.00
Oct 1383.069.0trace
Oct 1281.069.00.00
Oct 1183.068.00.83
Oct 1084.070.00.04
Oct 984.069.0trace
Oct 879.069.00.64
Oct 784.070.00.24
Oct 685.070.00.00
Oct 584.069.01.56
Oct 484.069.0trace
Oct 384.069.00.01
Oct 282.069.00.18
Oct 184.069.00.28
Sep 3085.070.00.06
Sep 2985.071.00.00
Sep 2885.070.00.12
Sep 2786.069.00.00
Sep 2686.068.00.00
Sep 2585.069.00.00
Sep 2486.069.00.00
Sep 2386.069.00.27
Sep 2284.069.00.00
Sep 2184.068.00.00
Sep 2083.069.00.00
Sep 1985.070.00.00
Sep 1883.070.00.90
Sep 1784.071.00.79

Station report

Aibonito, in 3 sheets

Drawn from its report of Oct 15, 2026, 7:00 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 2,351 ft above sea level, 8 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 27.47 inHg and the temperature at 50.6 F; it reports 71.0 F, 20.4 F warmer than standard.

Section from sea level of where Aibonito stands in the atmosphere, height to scale: the station 2,351 feet above sea level with 8 per cent of the air below it; the standard atmosphere's pressure there, 27.47 inches of mercury, and temperature, 50.6 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALPP4FIG. D WHERE AIBONITO 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 ATMOSPHEREAIBONITO8 PER CENT OF THE AIR BELOW IT2,351 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 HERE27.47 inHgSTANDARD TEMPERATURE HERE50.6 FTEMPERATURE, REPORTED71.0 FTITLEAibonito, the columnSTATION REPORT · COOP ALPP4TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 3DATE2026-10-15IDSR-ALPP4-1DRAWN 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 18.13 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 Aibonito, 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 ALPP4FIG. E THE SUN AT AIBONITOELEVATION 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 18.13 N; THE SUN'S DECLINATION -8.7°TITLEAibonito, the sunSTATION REPORT · COOP ALPP4TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 2 of 3DATE2026-10-15IDSR-ALPP4-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A cooperative observer's station, 2,351 ft above sea level. Its report of Oct 15, 2026, 7:00 AM local time is written on the sensors that made it.

Elevation of a cooperative observer's station, Aibonito, each sensor drawn and labelled with what it read: thermometer in its shield, 5 ft, high 85.0 f, low 70.0 f; standard 8 inch rain gauge, 0.00 in.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ALPP4FIG. F THE INSTRUMENTELEVATION OF A COOPERATIVE OBSERVER'S STATION, EACH SENSOR WITH WHAT IT READ, OCT 15, 2026, 7:00 AM LOCAL TIMETHERMOMETER IN ITS SHIELD, 5 FTHIGH 85.0 F, LOW 70.0 FSTANDARD 8 INCH RAIN GAUGE0.00 INSNOW BOARD AND MEASURING STAKE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEAibonito, the instrumentSTATION REPORT · COOP ALPP4TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 3 of 3DATE2026-10-15IDSR-ALPP4-3DRAWN AS linework on paperSOURCES FB-INS-001, FB-INS-009, FB-INS-003

From the Field Book

Near Aibonito