Station report
Glennallen 64 N, 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.
1 The column2 The sun3 The instrumentAt 2,669 ft above sea level, 9 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 27.15 inHg and the temperature at 49.5 F.
Section from sea level of where Glennallen 64 N stands in the atmosphere, height to scale: the station 2,669 feet above sea level with 9 per cent of the air below it; the standard atmosphere's pressure there, 27.15 inches of mercury, and temperature, 49.5 degrees Fahrenheit. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 A A B B C C D D E E © 2026 STORM STATION 247 THE FIELD BOOK STATION REPORT 56401 FIG. D WHERE GLENNALLEN 64 N STANDS IN THE ATMOSPHERE SECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHERE FT ABOVE SEA LEVEL 0 5,000 10,000 15,000 SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERE GLENNALLEN 64 N 9 PER CENT OF THE AIR BELOW IT 2,669 FT 10 PER CENT OF THE AIR BELOW, 2,890 FT 20 PER CENT OF THE AIR BELOW, 6,050 FT 30 PER CENT OF THE AIR BELOW, 9,540 FT 40 PER CENT OF THE AIR BELOW, 13,470 FT STANDARD PRESSURE HERE 27.15 inHg STANDARD TEMPERATURE HERE 49.5 F TITLE Glennallen 64 N, the column STATION REPORT · USCRN 56401 TYPE SECTION SCALE HEIGHT TO SCALE REV FROM THE REGISTER SHEET 1 of 3 DATE 2026-09-27 ID SR-56401-1 DRAWN AS linework on paper SOURCES FB-ENG-001, FB-ENG-003 On Sep 27 the noon sun stands 25 degrees above the horizon at 63.02 N, and the day is 11 h 30 min long. Level ground there takes 42 per cent of the noon sunlight a surface facing the sun would.
Elevation of the noon sun at Glennallen 64 N, angles true: on Sep 27 it stands 25 degrees above the horizon, against 50 at the June solstice, 27 at the equinoxes and 4 at the December solstice; the day is 11 h 30 min long. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 A A B B C C D D E E © 2026 STORM STATION 247 THE FIELD BOOK STATION REPORT 56401 FIG. E THE SUN AT GLENNALLEN 64 N ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUE THE STATION JUNE SOLSTICE 50° EQUINOXES 27° DECEMBER SOLSTICE 4° SEP 27, 25° SOUTH ANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLY DAY LENGTH 11 H 30 MIN LEVEL GROUND TAKES 42 PER CENT OF THE NOON SUN A FACING SURFACE WOULD LATITUDE 63.02 N; THE SUN'S DECLINATION -1.9° TITLE Glennallen 64 N, the sun STATION REPORT · USCRN 56401 TYPE ELEVATION SCALE ANGLES TRUE REV FROM THE REGISTER SHEET 2 of 3 DATE 2026-09-27 ID SR-56401-2 DRAWN AS linework on paper SOURCES FB-ENG-007 A weather instrument, 2,669 ft above sea level. Its sensors, as its network builds them.
Elevation of the instrument, Glennallen 64 N, each sensor drawn and labelled with what it read: no reading in the last day. 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 A A B B C C D D E E © 2026 STORM STATION 247 THE FIELD BOOK STATION REPORT 56401 FIG. F THE INSTRUMENT ELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READ ANTENNA, SENDING BY SATELLITE - AIR TEMPERATURE - PRECIPITATION GAUGE - SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALE TITLE Glennallen 64 N, the instrument STATION REPORT · USCRN 56401 TYPE ELEVATION SCALE SCHEMATIC REV FROM THE REGISTER SHEET 3 of 3 DATE 2026-09-27 ID SR-56401-3 DRAWN AS linework on paper SOURCES FB-INS-001 
FB-ENG-001, Fig. AAtmosphere in section
FB-ENG-003, Fig. CHydrostatic balance
FB-ENG-007, Fig. ARadiation budget
FB-INS-001, Fig. AWhat an instrument is