Storm Station

At a cooperative observer's station

COOP network, identified by every instrument in its family

Identifier
ADK
Latitude
51.88330 N
Longitude
176.65000 W
Elevation
17 ft
Rank
-

At a cooperative observer's station

Drawn as the kind of place it stands at. 86 instruments in Alaska stand at one.

Station charts

Adak AP Report

Rank
-
Days reported, 30 days
0 of 30
Chart of the 929 ranked stations in Alaska on Sep 30 by the share of their scheduled reports received in Storm Station's own record, up to 7 days, in tenths: 0 to 9 per cent, 0; 10 to 19 per cent, 2; 20 to 29 per cent, 5; 30 to 39 per cent, 3; 40 to 49 per cent, 2; 50 to 59 per cent, 21; 60 to 69 per cent, 39; 70 to 79 per cent, 34; 80 to 89 per cent, 54; 90 to 99 per cent, 233; 100 per cent, 536.WHERE IT RANKS IN ALASKA, Sep 30PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 910 to 19220 to 29530 to 39340 to 49250 to 592160 to 693970 to 793480 to 895490 to 99233100536STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%536
90 to 99%233
80 to 89%54
70 to 79%34
60 to 69%39
50 to 59%21
40 to 49%2
30 to 39%3
20 to 29%5
10 to 19%2
0 to 9%0
High and Low at Adak AP, high from 25.0 to 75.0, the latest 58.0; low from 16.0 to 54.0, the latest 46.0, in degrees Fahrenheit.HIGH AND LOWF020406080NovDec2026FebMarAprMayJunJulAugSepFREEZINGHIGHLOW
Precipitation at Adak AP, precipitation from 0.00 to 1.21, the latest 0.20, in inches.PRECIPITATIONin0.000.501.001.50NovDec2026FebMarAprMayJunJulAugSep
The readings these charts were drawn from, as a table
DayHigh FLow FPrecipitation in
Aug 6, 202658.046.00.20
Aug 4, 202663.042.00.00
Aug 3, 202655.044.00.00
Aug 2, 202675.054.0-
Aug 1, 202664.044.00.04
Jul 31, 202659.044.00.00
Jul 30, 202658.047.0trace
Jul 29, 202659.047.00.01
Jul 28, 202659.046.00.00
Jul 27, 202661.047.00.15
Jul 26, 202670.054.00.00
Jul 25, 202671.054.00.00
Jul 24, 202670.050.00.26
Jul 23, 202663.052.00.01
Jul 22, 202660.051.00.10
Jul 21, 202665.044.00.15
Jul 20, 202657.044.0trace
Jul 19, 202655.044.0trace
Jul 18, 202652.041.00.00
Jul 17, 202654.042.00.16
Jul 16, 202652.042.0trace
Jul 15, 202650.042.00.14
Jul 14, 202651.041.00.02
Jul 13, 202654.041.00.02
Jul 12, 202658.042.0trace
Jul 11, 202650.040.00.01
Jul 10, 202653.040.00.00
Jul 9, 202648.040.00.12
Jul 8, 202648.039.00.00
Jul 7, 202652.040.00.01
Jul 6, 202654.040.0trace
Jul 5, 202652.041.00.06
Jul 4, 202647.040.00.17
Jul 3, 202646.037.0trace
Jul 2, 202650.039.0trace
Jul 1, 202653.042.00.03
Jun 30, 202652.043.00.01
Jun 29, 202652.042.00.11
Jun 28, 202657.038.00.00
Jun 27, 202650.040.00.02
Jun 26, 202647.041.00.02
Jun 25, 202649.040.0trace
Jun 24, 202653.041.00.01
Jun 23, 202650.041.00.03
Jun 22, 202648.038.00.12
Jun 21, 202649.040.00.00
Jun 20, 202651.040.00.00
Jun 19, 202651.039.00.00
Jun 18, 202651.038.00.00
Jun 17, 202652.038.00.00
Jun 16, 202647.036.00.00
Jun 15, 202650.037.00.00
Jun 14, 202647.037.0trace
Jun 13, 202650.040.00.00
Jun 12, 202650.039.00.00
Jun 11, 202646.039.0trace
Jun 10, 202650.038.00.00
Jun 9, 202646.036.00.00
Jun 8, 202650.038.00.00
Jun 7, 202648.038.00.00
Jun 6, 202649.033.00.00
Jun 5, 202646.038.00.04
Jun 4, 202650.035.00.00
Jun 3, 202646.038.00.00
Jun 2, 202645.035.00.00
Jun 1, 202643.037.01.21
May 19, 202645.037.0-
May 18, 202645.037.0trace
May 17, 202647.036.0trace
May 16, 202642.036.00.00
May 15, 202639.036.0-
May 14, 202639.036.00.00
May 11, 202645.039.0-
May 10, 202646.037.0trace
May 9, 202644.038.0trace
May 8, 202642.037.00.00
May 7, 202643.037.0-
May 6, 202643.036.0trace
May 5, 202642.030.00.00
May 4, 202642.034.0trace
May 3, 202644.037.00.00
May 2, 202641.036.0-
May 1, 202642.032.0-
Apr 30, 202640.034.0-
Apr 29, 202640.035.0-
Apr 28, 202643.033.0-
Apr 27, 202641.034.0-
Apr 26, 202640.033.00.00
Apr 25, 202646.033.00.01
Apr 24, 202643.032.0trace
Apr 23, 202639.033.00.05
Apr 22, 202643.035.00.24
Apr 21, 202643.037.00.05
Apr 20, 202646.038.00.29
Apr 19, 202648.033.00.05
Apr 18, 202647.034.0-
Apr 17, 202649.033.00.07
Apr 16, 202645.034.00.02
Apr 15, 202645.035.0trace
Apr 14, 202647.037.0trace
Apr 13, 202649.039.00.02
Apr 12, 202646.038.00.04
Apr 11, 202648.035.00.00
Apr 10, 202648.030.00.00
Apr 9, 202648.031.00.03
Apr 8, 202645.032.00.01
Apr 7, 202650.033.00.01
Apr 6, 202644.037.0trace
Apr 5, 202649.038.00.02
Apr 4, 202643.037.00.14
Apr 3, 202642.036.0trace
Apr 2, 202645.027.0trace
Apr 1, 202643.031.00.02
Mar 31, 202641.032.00.04
Mar 30, 202647.030.0trace
Mar 29, 202650.033.00.00
Mar 28, 202653.035.00.00
Mar 27, 202645.035.0trace
Mar 26, 202640.034.0trace
Mar 25, 202643.025.00.00
Mar 24, 202648.028.0trace
Mar 23, 202646.030.00.00
Mar 22, 202643.025.0trace
Mar 21, 202640.026.00.00
Mar 20, 202636.028.0trace
Mar 19, 202640.030.0trace
Mar 18, 202650.029.0trace
Mar 17, 202647.029.0trace
Mar 16, 202636.029.0trace
Mar 15, 202641.026.0trace
Mar 14, 202641.031.0trace
Mar 13, 202640.032.0trace
Mar 12, 202649.030.0trace
Mar 11, 202639.032.0trace
Mar 10, 202643.032.0trace
Mar 9, 202637.030.00.00
Mar 8, 202648.026.0trace
Mar 7, 202648.022.0trace
Mar 6, 202641.020.0trace
Mar 5, 202635.021.00.00
Mar 4, 202633.025.0-
Mar 3, 202633.026.0trace
Mar 2, 202635.029.0trace
Mar 1, 202631.025.0trace
Feb 28, 202634.027.0trace
Feb 27, 202634.032.00.01
Feb 26, 202635.033.00.06
Feb 25, 202637.034.00.02
Feb 24, 202638.036.0trace
Feb 23, 202645.037.0trace
Feb 22, 202648.039.0trace
Feb 21, 202643.039.0trace
Feb 20, 202645.038.0trace
Feb 19, 202642.035.00.00
Feb 18, 202640.030.00.00
Feb 17, 202647.035.0trace
Feb 16, 202644.033.0trace
Feb 15, 202644.029.00.01
Feb 14, 202644.026.0-
Feb 13, 202648.027.00.00
Feb 12, 202651.028.00.05
Feb 11, 202637.031.0trace
Feb 10, 202636.032.00.00
Feb 9, 202642.033.0-
Feb 8, 202644.031.00.89
Feb 7, 202639.016.00.16
Feb 6, 202637.024.0trace
Feb 5, 202635.031.00.02
Feb 4, 202635.031.00.01
Feb 3, 202636.030.0trace
Feb 2, 202633.030.0trace
Feb 1, 202633.027.0trace
Jan 31, 202634.029.00.01
Jan 30, 202639.017.0trace
Jan 29, 202635.018.00.01
Jan 28, 202632.022.00.00
Jan 27, 202641.0--
Jan 26, 202642.038.00.00
Jan 25, 202640.038.0trace
Jan 24, 202639.036.00.00
Jan 23, 202642.036.0trace
Jan 22, 202643.038.0trace
Jan 21, 202642.035.00.00
Jan 20, 202640.037.0-
Jan 19, 202641.033.0trace
Jan 18, 202644.031.00.09
Jan 17, 202633.017.00.02
Jan 16, 202627.017.0trace
Jan 15, 202625.020.0trace
Jan 14, 202630.017.0trace
Jan 13, 202632.023.0trace
Jan 12, 202635.024.0trace
Jan 11, 202630.025.0trace
Jan 10, 202630.024.0trace
Jan 9, 202630.026.0trace
Jan 8, 202641.030.00.03
Jan 7, 202640.034.00.00
Jan 4, 202649.040.0-
Dec 26, 202542.033.0-
Dec 25, 202545.041.0-
Dec 24, 202546.039.00.05
Dec 23, 202543.036.0trace
Dec 22, 202542.033.0trace
Dec 21, 202544.037.0trace
Dec 20, 202542.034.0trace
Dec 19, 202542.033.00.00
Dec 18, 202539.032.0trace
Dec 17, 202539.032.00.00
Dec 16, 202539.032.00.00
Dec 15, 202538.035.0-
Dec 14, 202538.023.00.00
Dec 13, 202543.024.00.00
Dec 12, 202540.027.00.00
Dec 11, 202541.035.00.00
Dec 10, 202539.032.0trace
Dec 9, 202538.032.0trace
Dec 8, 202536.030.0trace
Dec 7, 202539.031.0trace
Dec 6, 202540.027.0trace
Dec 5, 202540.030.0trace
Dec 4, 202540.033.0trace
Dec 3, 202537.033.00.00
Nov 14, 202542.036.0-
Nov 13, 202541.033.00.00
Nov 9, 202546.036.0-
Nov 8, 202547.037.00.19
Nov 7, 202543.029.00.32
Nov 6, 202544.035.00.06
Nov 5, 202545.035.00.12
Nov 4, 202545.037.00.24
Nov 3, 202543.033.00.10
Nov 2, 202549.036.00.22
Nov 1, 202544.035.00.13
Oct 31, 202544.035.00.11
Oct 30, 202543.034.00.10
Oct 29, 202541.029.0trace
Oct 28, 202534.029.00.00
Oct 27, 202539.032.0-
Oct 26, 202541.032.00.02
Oct 25, 202544.034.00.03
Oct 24, 202544.030.00.02
Oct 23, 202545.034.00.04
Oct 22, 202546.031.00.04
Oct 21, 202544.037.0-
Oct 20, 202547.037.00.08
Oct 19, 202547.034.00.41
Oct 18, 202544.034.00.01
Oct 17, 202548.037.00.20
Oct 16, 202549.034.00.25
Oct 15, 202546.037.00.09
Oct 14, 202546.040.00.20
Oct 2, 202552.039.0-
Oct 1, 202553.039.00.09
Average high and Average low at Adak AP, average high from 36.8 to 59.7, the latest 55.8; average low from 26.5 to 48.2, the latest 43.6, in degrees Fahrenheit.AVERAGE HIGH AND AVERAGE LOWF203040506020222023202420252026FREEZINGAVERAGE HIGHAVERAGE LOW
Precipitation at Adak AP, precipitation from 0.04 to 9.48, the latest 1.42, in inches.PRECIPITATIONin0.002.505.007.5010.0020222023202420252026
Days reported at Adak AP, days from 0.0 to 31.0, the latest 0.0, in days.DAYS REPORTEDdays010203120222023202420252026
The readings these charts were drawn from, as a table
MonthAverage high FAverage low FPrecipitation inDays reported
Jul 202655.843.61.4231
Jun 202649.238.41.5730
May 202643.035.9-17
Apr 202644.834.21.0730
Mar 202641.928.50.0431
Feb 202640.231.21.2328
Jan 202636.828.2-26
Dec 202540.532.3-24
Oct 202544.934.4-20
Sep 202556.243.17.8430
Aug 202558.446.5-31
Jul 202559.745.4-18
Jun 202550.940.02.3430
May 202546.035.71.8131
Apr 202542.832.61.2830
Mar 202539.829.64.4631
Feb 202540.830.3-28
Jan 202537.928.64.8031
Nov 202444.135.7-20
Oct 202448.638.43.8628
Sep 202454.541.61.9626
Aug 202457.447.23.8529
Jul 202457.247.03.5231
Jun 202447.440.31.7130
May 202444.536.82.3431
Apr 202442.533.93.8329
Mar 202437.631.72.5131
Feb 202437.026.51.5526
Jan 202437.530.93.6229
Dec 202337.527.83.0831
Nov 202345.236.59.4829
Oct 202348.539.95.0131
Sep 202356.146.63.4230
Aug 202355.848.21.5930
Jul 202359.348.22.8131
Jun 202349.041.12.7927
May 202344.936.71.9628
Apr 202342.135.11.6530
Mar 202340.232.84.6130
Feb 202339.029.05.3728
Jan 202338.327.87.4031
Dec 202241.131.26.6031
Nov 202244.936.66.6230
Oct 202250.439.96.2728
Sep 202254.944.53.3330
Aug 202258.347.41.8029
Jul 202254.844.81.7129
Jun 202250.242.72.8929
May 202246.936.60.9231
Apr 202242.533.82.5830
Mar 202239.429.82.7431
Feb 202240.129.35.7528
Jan 202237.629.94.4525
Dec 202144.535.99.0330
Nov 202141.234.03.9026
Oct 202149.938.7-18

The whole record, Sep 12, 2017 to Aug 6, 2026, 2,989 days reported.

Temperature by month, the whole record at Adak AP, average high from 37.5 to 57.1, the latest 39.5; average low from 28.5 to 47.7, the latest 30.1; record high from 49.0 to 75.0, the latest 51.0; record low from 10.0 to 36.0, the latest 11.0, in degrees Fahrenheit.TEMPERATURE BY MONTH, THE WHOLE RECORDF020406080JanFebMarAprMayJunJulAugSepOctNovDecFREEZINGAVERAGE HIGHAVERAGE LOWRECORD HIGHRECORD LOW
Average precipitation by month at Adak AP, precipitation from 1.90 to 6.25, the latest 5.66, in inches.AVERAGE PRECIPITATION BY MONTHin0.002.004.006.008.00JanFebMarAprMayJunJulAugSepOctNovDec
Days reported, by year at Adak AP, days reported from 108.0 to 356.0, the latest 198.0, in days.DAYS REPORTED, BY YEARdays01002003003662017201820192020202120222023202420252026
Average high and low, by year at Adak AP, average high from 46.1 to 46.8, the latest 46.4; average low from 37.2 to 37.6, the latest 37.5, in degrees Fahrenheit.AVERAGE HIGH AND LOW, BY YEARF3537.54042.54547.52017201820192020202120222023202420252026AVERAGE HIGHAVERAGE LOW
The readings these charts were drawn from, as a table
MonthAverage high FAverage low FRecord high FRecord low FAverage precipitation inStrongest gust mph
Jan37.528.549.0 2026-01-0411.0 2021-01-065.28-
Feb39.930.251.0 2026-02-1210.0 2024-02-145.82-
Mar40.030.953.0 2026-03-2819.0 2019-03-173.59-
Apr43.034.054.0 2018-04-2823.0 2025-04-102.27-
May45.536.957.0 2022-05-1325.0 2019-05-132.70-
Jun49.641.264.0 2025-06-2930.0 2023-06-161.90-
Jul55.745.872.0 2023-07-2036.0 2019-07-273.25-
Aug57.147.775.0 2026-08-0236.0 2024-08-123.81-
Sep54.844.071.0 2024-09-0829.0 2020-09-293.65-
Oct48.739.063.0 2024-10-2026.0 2021-10-315.01-
Nov44.235.463.0 2023-11-1420.0 2019-11-246.25-
Dec39.530.151.0 2021-12-0411.0 2023-12-275.66-

Station report

Adak AP, 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 17 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.90 inHg and the temperature at 58.9 F.

Section from sea level of where Adak AP stands in the atmosphere, height to scale: the station 17 feet above sea level with 0 per cent of the air below it; the standard atmosphere's pressure there, 29.90 inches of mercury, and temperature, 58.9 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ADKFIG. D WHERE ADAK AP 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 ATMOSPHEREADAK AP0 PER CENT OF THE AIR BELOW IT17 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 HERE29.90 inHgSTANDARD TEMPERATURE HERE58.9 FTITLEAdak AP, the columnSTATION REPORT · COOP ADKTYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-09-30IDSR-ADK-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Sep 30 the noon sun stands 35 degrees above the horizon at 51.88 N, and the day is 11 h 28 min long. Level ground there takes 57 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Adak AP, angles true: on Sep 30 it stands 35 degrees above the horizon, against 62 at the June solstice, 38 at the equinoxes and 15 at the December solstice; the day is 11 h 28 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ADKFIG. E THE SUN AT ADAK APELEVATION 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 62°EQUINOXES 38°DECEMBER SOLSTICE 15°SEP 30, 35°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 28 MINLEVEL GROUND TAKES 57 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 51.88 N; THE SUN'S DECLINATION -3.1°TITLEAdak AP, the sunSTATION REPORT · COOP ADKTYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-09-30IDSR-ADK-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A cooperative observer's station, 17 ft above sea level. Its sensors, as its network builds them.

Elevation of a cooperative observer's station, Adak AP, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ADKFIG. 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 SCALETITLEAdak AP, the instrumentSTATION REPORT · COOP ADKTYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-09-30IDSR-ADK-3DRAWN AS linework on paperSOURCES FB-INS-001, FB-INS-009, FB-INS-003

From the Field Book

The instrumentWhat an instrument is FB-INS-001Personal weather station FB-INS-003Stevenson screen and siting FB-INS-009

What it seesHydrostatic balance FB-ENG-003Radiation budget FB-ENG-007Nor'easter FB-EVT-066Blizzard FB-EVT-081Ice storm FB-EVT-084Heat wave and heat dome FB-EVT-130Snowpack strata FB-WAT-031

Near Adak AP

Gauges

Weather instruments

Places