Storm Station
Sign in

At a cooperative observer's station

COOP network, identified by the register

Identifier
SNLP4
Latitude
18.15170 N
Longitude
65.95890 W
Elevation
553 ft
Rank
-
Observed
8:00 AMAST, 9 days ago
Precipitation today
-

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

San Lorenzo 3S Report

Rank
-
Days reported, 30 days
21 of 30
Precipitation at San Lorenzo 3S, precipitation from 0.00 to 1.05, the latest 0.75, in inches.PRECIPITATIONin0.000.501.001.50Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12
The readings these charts were drawn from, as a table
DayPrecipitation in
Oct 70.75
Oct 61.05
Oct 50.00
Oct 40.00
Oct 30.10
Oct 20.00
Oct 10.00
Sep 300.02
Sep 290.28
Sep 280.00
Sep 270.03
Sep 260.00
Sep 250.00
Sep 240.53
Sep 230.03
Sep 220.00
Sep 210.00
Sep 200.00
Sep 190.00
Sep 180.02
Sep 170.87

Station report

San Lorenzo 3S, 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 553 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.33 inHg and the temperature at 57.0 F.

Section from sea level of where San Lorenzo 3S stands in the atmosphere, height to scale: the station 553 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.33 inches of mercury, and temperature, 57.0 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SNLP4FIG. D WHERE SAN LORENZO 3S 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 ATMOSPHERESAN LORENZO 3S2 PER CENT OF THE AIR BELOW IT553 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 HERE29.33 inHgSTANDARD TEMPERATURE HERE57.0 FTITLESan Lorenzo 3S, the columnSTATION REPORT · COOP SNLP4TYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-16IDSR-SNLP4-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 16 the noon sun stands 63 degrees above the horizon at 18.15 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 San Lorenzo 3S, angles true: on Oct 16 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 36 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SNLP4FIG. E THE SUN AT SAN LORENZO 3SELEVATION 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 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 18.15 N; THE SUN'S DECLINATION -9.1°TITLESan Lorenzo 3S, the sunSTATION REPORT · COOP SNLP4TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-16IDSR-SNLP4-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A cooperative observer's station, 553 ft above sea level. Its sensors, as its network builds them.

Elevation of a cooperative observer's station, San Lorenzo 3S, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SNLP4FIG. 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 SCALETITLESan Lorenzo 3S, the instrumentSTATION REPORT · COOP SNLP4TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-16IDSR-SNLP4-3DRAWN AS linework on paperSOURCES FB-INS-001, FB-INS-009, FB-INS-003

From the Field Book

Near San Lorenzo 3S