Station report
Hereford, Oregon Weather Station, 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 3,600 ft above sea level, 12 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 26.23 inHg and the temperature at 46.2 F.
Section from sea level of where Hereford, Oregon Weather Station stands in the atmosphere, height to scale: the station 3,600 feet above sea level with 12 per cent of the air below it; the standard atmosphere's pressure there, 26.23 inches of mercury, and temperature, 46.2 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 USBR-HRFO FIG. D WHERE HEREFORD, OREGON WEATHER STATION 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 HEREFORD, OREGON WEATHER STATION 12 PER CENT OF THE AIR BELOW IT 3,600 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 26.23 inHg STANDARD TEMPERATURE HERE 46.2 F TITLE Hereford, Oregon Weather Station, the column STATION REPORT · DCP USBR-HRFO TYPE SECTION SCALE HEIGHT TO SCALE REV FROM THE REGISTER SHEET 1 of 3 DATE 2026-10-16 ID SR-USBRHRFO-1 DRAWN AS linework on paper SOURCES FB-ENG-001, FB-ENG-003 On Oct 16 the noon sun stands 36 degrees above the horizon at 44.49 N, and the day is 10 h 47 min long. Level ground there takes 59 per cent of the noon sunlight a surface facing the sun would.
Elevation of the noon sun at Hereford, Oregon Weather Station, angles true: on Oct 16 it stands 36 degrees above the horizon, against 69 at the June solstice, 46 at the equinoxes and 22 at the December solstice; the day is 10 h 47 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 USBR-HRFO FIG. E THE SUN AT HEREFORD, OREGON WEATHER STATION 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 69° EQUINOXES 46° DECEMBER SOLSTICE 22° OCT 16, 36° SOUTH ANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLY DAY LENGTH 10 H 47 MIN LEVEL GROUND TAKES 59 PER CENT OF THE NOON SUN A FACING SURFACE WOULD LATITUDE 44.49 N; THE SUN'S DECLINATION -9.1° TITLE Hereford, Oregon Weather Station, the sun STATION REPORT · DCP USBR-HRFO TYPE ELEVATION SCALE ANGLES TRUE REV FROM THE REGISTER SHEET 2 of 3 DATE 2026-10-16 ID SR-USBRHRFO-2 DRAWN AS linework on paper SOURCES FB-ENG-007 A data collection platform, 3,600 ft above sea level. Its sensors, as its network builds them.
Elevation of a data collection platform, Hereford, Oregon Weather Station, 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 USBR-HRFO FIG. F THE INSTRUMENT ELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READ ANTENNA, SENDING BY SATELLITE - AIR TEMPERATURE - PRECIPITATION GAUGE - SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALE TITLE Hereford, Oregon Weather Station, the instrument STATION REPORT · DCP USBR-HRFO TYPE ELEVATION SCALE SCHEMATIC REV FROM THE REGISTER SHEET 3 of 3 DATE 2026-10-16 ID SR-USBRHRFO-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