Storm Station

At a tide gauge

DCP network, identified by the register

Identifier
NDBC-NFDF1
Latitude
30.40000 N
Longitude
81.62700 W
Elevation
-
Rank
-
Observed
4:30 AMEDT, 1 hour ago
Air temperature
79.2F
Dew point
78.3F
Relative humidity
97%
Wind
9mph
Gust
13mph
Wind direction
180°

At a tide gauge

Drawn as the kind of place it stands at. 24 instruments in Florida stand at one.

Station report

Navy Fuel Depot, St Johns River, in 2 sheets

Drawn from the register, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The sun

Contents

On Oct 11 the noon sun stands 52 degrees above the horizon at 30.40 N, and the day is 11 h 26 min long. Level ground there takes 79 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Navy Fuel Depot, St Johns River, angles true: on Oct 11 it stands 52 degrees above the horizon, against 83 at the June solstice, 60 at the equinoxes and 36 at the December solstice; the day is 11 h 26 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NDBC-NFDF1FIG. E THE SUN AT NAVY FUEL DEPOT, ST JOHNS RIVERELEVATION 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 83°EQUINOXES 60°DECEMBER SOLSTICE 36°OCT 11, 52°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 26 MINLEVEL GROUND TAKES 79 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 30.40 N; THE SUN'S DECLINATION -7.2°TITLENavy Fuel Depot, St Johns River, the sunSTATION REPORT · DCP NDBC-NFDF1TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 1 of 2DATE2026-10-11IDSR-NDBCNFDF1-1DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

2The instrument

Contents

A data collection platform. Its sensors, as its network builds them.

Elevation of a data collection platform, Navy Fuel Depot, St Johns River, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NDBC-NFDF1FIG. F THE INSTRUMENTELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE-PRECIPITATION GAUGE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLENavy Fuel Depot, St Johns River, the instrumentSTATION REPORT · DCP NDBC-NFDF1TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 2 of 2DATE2026-10-11IDSR-NDBCNFDF1-2DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

What this instrument measures for

1 place reads it as one of the nearest to it.

Near Navy Fuel Depot, St Johns River