Selawik 28 E

At a climate reference station in Northwest Arctic, Alaska

At a climate reference station

USCRN network, identified by the register

Identifier: 96407
Latitude: 66.56000 N
Longitude: 159.00000 W
Elevation: 22 ft
Rank: 684of 1,023 in Alaska, Oct 16
Observed: 5:00 AMAKDT, 3 hours ago
Air temperature: 27.7F
What it feels like: 27.7F
High so far today: 29.3F
Low so far today: 27.7F
Dew point: 14.8F
Relative humidity: 58%
Wind: 0mph
Strongest wind today: 0mph
Precipitation today: 0in
Ground surface temperature: 27F

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Station charts

Selawik 28 E Report

Rank 684 of 1,023 in Alaska, Oct 16. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.

Rank: 684of 1,023 in Alaska, Oct 16
Schedule: every 5 min
Reports received, 24 hours: 284 of 28898.6% of its schedule
Reports received, 7 days: 2,012 of 2,01699.8% of its schedule
Days reported, 30 days: 30 of 30
Longest silence, 7 days: 87 minfrom Oct 16, 7:00 AM
Latest report: Oct 16, 7:00 AMlocal time

Its schedule is one report every 5 min, 288 in 24 hours. Two reports in the same 5 min count as one received.

24 hours7 days30 days

The readings these charts were drawn from, as a table

Hour	Temperature F	Dew point F	Relative humidity %	Reports
Fri 16, 7 AM	25.7	20.4	80	1
Fri 16, 6 AM	26.5	18.5	72	12
Fri 16, 5 AM	27.9	14.9	58	12
Fri 16, 4 AM	28.1	14.0	55	12
Fri 16, 3 AM	28.9	12.6	50	12
Fri 16, 2 AM	29.2	13.2	51	12
Fri 16, 1 AM	28.7	13.3	52	12
Fri 16, 12 AM	28.5	14.1	54	12
Thu 15, 11 PM	28.0	14.2	-	12
Thu 15, 10 PM	27.6	14.0	-	12
Thu 15, 9 PM	27.7	14.3	-	12
Thu 15, 8 PM	28.4	15.2	-	12
Thu 15, 7 PM	29.0	15.8	-	12
Thu 15, 6 PM	30.3	16.2	-	12
Thu 15, 5 PM	32.1	16.6	-	12
Thu 15, 4 PM	33.0	17.1	-	12
Thu 15, 3 PM	32.6	17.7	-	12
Thu 15, 2 PM	33.1	18.2	-	12
Thu 15, 1 PM	32.0	19.9	-	12
Thu 15, 12 PM	28.9	21.1	-	12
Thu 15, 11 AM	27.3	19.8	-	12
Thu 15, 10 AM	26.7	18.9	-	12
Thu 15, 9 AM	26.3	19.7	-	12

The readings these charts were drawn from, as a table

Hour	Temperature F	Dew point F	Relative humidity %	Wind mph	Reports
Fri 16, 7 AM	25.7	20.4	80	0	1
Fri 16, 6 AM	26.5	18.5	72	0	12
Fri 16, 5 AM	27.9	14.9	58	0	12
Fri 16, 4 AM	28.1	14.0	55	0	12
Fri 16, 3 AM	28.9	12.6	50	0	12
Fri 16, 2 AM	29.2	13.2	51	0	12
Fri 16, 1 AM	28.7	13.3	52	0	12
Fri 16, 12 AM	28.5	14.1	54	0	12
Thu 15, 11 PM	28.0	14.2	-	0	12
Thu 15, 10 PM	27.6	14.0	-	0	12
Thu 15, 9 PM	27.7	14.3	-	0	12
Thu 15, 8 PM	28.4	15.2	-	0	12
Thu 15, 7 PM	29.0	15.8	-	0	12
Thu 15, 6 PM	30.3	16.2	-	0	12
Thu 15, 5 PM	32.1	16.6	-	0	12
Thu 15, 4 PM	33.0	17.1	-	0	12
Thu 15, 3 PM	32.6	17.7	-	0	12
Thu 15, 2 PM	33.1	18.2	-	0	12
Thu 15, 1 PM	32.0	19.9	-	0	12
Thu 15, 12 PM	28.9	21.1	-	0	12
Thu 15, 11 AM	27.3	19.8	-	0	12
Thu 15, 10 AM	26.7	18.9	-	0	12
Thu 15, 9 AM	26.3	19.7	-	0	12
Thu 15, 8 AM	25.0	19.9	-	0	12
Thu 15, 7 AM	24.8	19.8	-	0	12
Thu 15, 6 AM	25.3	20.5	-	0	12
Thu 15, 5 AM	25.5	21.1	-	0	12
Thu 15, 4 AM	27.0	22.7	-	0	12
Thu 15, 3 AM	28.6	23.9	-	0	12
Thu 15, 2 AM	29.5	25.0	-	0	12
Thu 15, 1 AM	30.2	26.1	-	0	12
Thu 15, 12 AM	30.5	27.3	-	0	12
Wed 14, 11 PM	30.8	28.0	-	0	12
Wed 14, 10 PM	31.5	29.1	-	0	12
Wed 14, 9 PM	32.2	30.2	-	0	12
Wed 14, 8 PM	32.8	31.4	-	5	12
Wed 14, 7 PM	32.3	31.0	-	7	12
Wed 14, 6 PM	32.7	31.1	-	7	12
Wed 14, 5 PM	33.2	31.2	-	6	12
Wed 14, 4 PM	33.7	31.4	-	6	12
Wed 14, 3 PM	33.3	30.7	-	6	12
Wed 14, 2 PM	33.2	30.6	-	7	12
Wed 14, 1 PM	32.3	30.1	-	7	12
Wed 14, 12 PM	31.9	29.8	-	7	12
Wed 14, 11 AM	31.4	29.5	-	6	12
Wed 14, 10 AM	30.8	29.0	-	4	12
Wed 14, 9 AM	30.8	28.7	-	5	12
Wed 14, 8 AM	30.7	28.8	-	5	12
Wed 14, 7 AM	30.6	28.9	-	5	12
Wed 14, 6 AM	30.6	28.8	-	5	12
Wed 14, 5 AM	30.8	28.8	-	5	12
Wed 14, 4 AM	30.9	29.0	-	5	12
Wed 14, 3 AM	31.1	28.8	-	5	12
Wed 14, 2 AM	31.3	29.0	-	5	12
Wed 14, 1 AM	31.5	29.7	-	5	12
Wed 14, 12 AM	32.2	30.5	-	5	12
Tue 13, 11 PM	32.4	30.4	-	5	12
Tue 13, 10 PM	32.9	30.7	-	4	12
Tue 13, 9 PM	33.5	31.4	-	4	12
Tue 13, 8 PM	34.3	32.1	-	4	12
Tue 13, 7 PM	35.3	32.2	-	5	12
Tue 13, 6 PM	35.9	32.2	-	5	12
Tue 13, 5 PM	37.0	32.7	-	6	12
Tue 13, 4 PM	37.2	32.8	-	6	12
Tue 13, 3 PM	36.8	32.6	-	5	12
Tue 13, 2 PM	35.7	32.3	-	4	12
Tue 13, 1 PM	34.2	31.5	-	3	12
Tue 13, 12 PM	33.0	31.0	-	3	12
Tue 13, 11 AM	32.8	30.9	-	3	12
Tue 13, 10 AM	32.0	30.2	-	3	12
Tue 13, 9 AM	32.3	30.3	-	2	12
Tue 13, 8 AM	32.4	30.5	-	3	12
Tue 13, 7 AM	31.9	30.1	-	2	12
Tue 13, 6 AM	31.9	30.0	-	2	12
Tue 13, 5 AM	33.3	30.6	-	2	12
Tue 13, 4 AM	33.7	31.2	-	2	12
Tue 13, 3 AM	33.4	31.3	-	3	12
Tue 13, 2 AM	33.7	31.4	-	3	12
Tue 13, 1 AM	33.9	31.6	-	4	12
Tue 13, 12 AM	33.7	31.5	-	4	12
Mon 12, 11 PM	34.1	31.5	-	4	12
Mon 12, 10 PM	34.8	31.7	-	4	12
Mon 12, 9 PM	35.4	32.0	-	4	12
Mon 12, 8 PM	35.6	32.2	-	5	12
Mon 12, 7 PM	36.6	32.3	-	4	12
Mon 12, 6 PM	39.7	33.0	-	6	12
Mon 12, 5 PM	40.6	33.4	-	6	12
Mon 12, 4 PM	41.7	34.4	-	5	12
Mon 12, 3 PM	41.4	35.2	-	6	12
Mon 12, 2 PM	40.5	35.7	-	5	12
Mon 12, 1 PM	39.7	36.1	-	6	12
Mon 12, 12 PM	37.8	35.5	-	5	12
Mon 12, 11 AM	35.8	33.9	-	5	12
Mon 12, 10 AM	34.8	33.0	-	5	12
Mon 12, 9 AM	34.3	32.4	-	4	12
Mon 12, 8 AM	33.9	32.3	-	4	12
Mon 12, 7 AM	33.6	31.8	-	4	12
Mon 12, 6 AM	34.4	32.5	-	4	12
Mon 12, 5 AM	34.4	32.3	-	4	12
Mon 12, 4 AM	35.0	33.1	-	4	12
Mon 12, 3 AM	36.1	34.1	-	5	12
Mon 12, 2 AM	36.6	34.5	-	6	12
Mon 12, 1 AM	36.6	34.4	-	5	12
Mon 12, 12 AM	36.1	33.8	-	4	12
Sun 11, 11 PM	36.6	33.9	-	3	12
Sun 11, 10 PM	37.5	34.5	-	5	12
Sun 11, 9 PM	36.9	34.0	-	3	12
Sun 11, 8 PM	38.4	34.6	-	3	12
Sun 11, 7 PM	38.5	34.8	-	5	12
Sun 11, 6 PM	39.8	35.5	-	4	12
Sun 11, 5 PM	40.5	36.1	-	5	12
Sun 11, 4 PM	41.1	36.4	-	6	12
Sun 11, 3 PM	41.1	36.3	-	8	12
Sun 11, 2 PM	40.3	36.3	-	7	12
Sun 11, 1 PM	39.1	35.7	-	6	12
Sun 11, 12 PM	37.9	35.1	-	6	12
Sun 11, 11 AM	36.7	34.3	-	5	12
Sun 11, 10 AM	35.6	33.5	-	5	12
Sun 11, 9 AM	34.3	32.6	-	4	12
Sun 11, 8 AM	34.5	32.7	-	6	12
Sun 11, 7 AM	34.2	32.3	-	6	12
Sun 11, 6 AM	34.8	32.5	-	6	12
Sun 11, 5 AM	34.8	32.9	-	5	12
Sun 11, 4 AM	35.4	33.3	-	4	12
Sun 11, 3 AM	36.8	34.4	-	5	12
Sun 11, 2 AM	37.6	35.2	-	4	12
Sun 11, 1 AM	37.8	35.4	-	4	12
Sun 11, 12 AM	38.5	36.1	-	6	12
Sat 10, 11 PM	38.5	36.4	-	6	12
Sat 10, 10 PM	38.4	36.3	-	5	12
Sat 10, 9 PM	38.5	36.1	-	6	12
Sat 10, 8 PM	38.7	35.8	-	5	12
Sat 10, 7 PM	39.6	35.8	-	5	12
Sat 10, 6 PM	39.8	35.5	-	7	12
Sat 10, 5 PM	40.3	35.6	-	8	12
Sat 10, 4 PM	40.7	35.8	-	8	12
Sat 10, 3 PM	40.5	36.6	-	8	12
Sat 10, 2 PM	39.9	36.3	-	8	12
Sat 10, 1 PM	39.1	36.1	-	7	12
Sat 10, 12 PM	38.3	35.5	-	8	12
Sat 10, 11 AM	37.3	34.7	-	8	12
Sat 10, 10 AM	36.2	33.8	-	7	12
Sat 10, 9 AM	35.1	32.8	-	5	12
Sat 10, 8 AM	35.7	33.4	-	5	12
Sat 10, 7 AM	36.0	33.5	-	5	12
Sat 10, 6 AM	36.0	33.2	-	6	12
Sat 10, 5 AM	35.7	32.6	-	7	12
Sat 10, 4 AM	35.8	32.5	-	8	12
Sat 10, 3 AM	35.6	32.4	-	8	12
Sat 10, 2 AM	35.5	32.4	-	9	12
Sat 10, 1 AM	35.4	32.4	-	10	12
Sat 10, 12 AM	35.1	32.0	-	10	12
Fri 9, 11 PM	35.0	31.8	-	11	12
Fri 9, 10 PM	34.8	31.1	-	13	12
Fri 9, 9 PM	34.9	31.2	-	13	12
Fri 9, 8 PM	34.4	31.1	-	12	12
Fri 9, 7 PM	34.3	30.3	-	12	12
Fri 9, 6 PM	35.1	29.7	-	11	12
Fri 9, 5 PM	35.6	28.8	-	10	12
Fri 9, 4 PM	37.3	27.4	-	13	12
Fri 9, 3 PM	37.5	27.1	-	13	12
Fri 9, 2 PM	36.9	28.0	-	10	12
Fri 9, 1 PM	36.6	27.5	-	11	12
Fri 9, 12 PM	36.4	27.0	-	10	12
Fri 9, 11 AM	35.9	26.8	-	11	12
Fri 9, 10 AM	35.2	26.9	-	10	12
Fri 9, 9 AM	34.7	26.9	-	8	12

The readings these charts were drawn from, as a table

Day	High F	Low F	Highest dew point F	Lowest dew point F	Highest humidity %	Lowest humidity %	Precipitation in
Oct 16	29.3	25.7	20.4	12.1	80	49	0.00
Oct 15	33.4	24.4	27.7	13.6	89	51	0.00
Oct 14	34.0	30.4	31.6	27.5	95	89	0.00
Oct 13	37.4	31.6	33.0	29.8	93	84	0.00
Oct 12	42.3	33.3	36.4	31.2	94	73	0.05
Oct 11	41.4	33.6	36.6	31.5	94	82	0.04
Oct 10	41.0	34.3	37.2	31.9	92	82	0.11
Oct 9	38.1	32.0	31.9	23.7	89	63	0.11
Oct 8	32.7	9.7	23.8	5.8	87	63	0.00
Oct 7	26.8	10.9	18.4	8.1	90	68	0.00
Oct 6	34.7	15.8	18.8	10.0	86	48	0.00
Oct 5	32.7	21.0	19.3	12.0	79	50	0.00
Oct 4	29.3	17.8	19.0	11.8	80	59	0.00
Oct 3	28.8	20.8	22.7	14.2	80	66	0.00
Oct 2	28.2	9.7	21.3	6.0	90	68	0.00
Oct 1	29.7	15.3	20.5	11.4	92	52	0.00
Sep 30	32.5	21.7	22.8	14.4	93	58	0.00
Sep 29	32.2	28.6	29.9	22.8	92	78	0.04
Sep 28	41.9	31.3	32.0	26.2	92	54	0.01
Sep 27	55.2	35.8	34.4	29.4	79	44	0.00
Sep 26	49.5	38.1	32.5	29.9	75	49	0.00
Sep 25	54.1	29.8	32.2	26.4	88	39	0.00
Sep 24	49.8	33.1	36.3	25.8	91	41	0.00
Sep 23	45.5	36.5	36.7	32.3	87	61	0.00
Sep 22	44.8	36.9	38.5	33.5	94	71	0.00
Sep 21	44.4	27.0	34.6	22.7	87	51	0.00
Sep 20	43.0	30.0	34.4	24.8	92	50	0.00
Sep 19	45.3	38.7	41.6	34.2	93	71	0.07
Sep 18	47.7	42.3	44.6	39.4	94	87	0.09
Sep 17	46.6	40.5	40.3	37.5	94	72	0.04

Station report

Selawik 28 E, in 5 sheets

Drawn from its report of Oct 16, 2026, 5:00 AM local time, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The air

Contents

27.7 F with a dew point of 14.8 F, 58 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,900 ft up.

From the Field Book

FB-WAT-002, Fig. CHumidity variables
The same lift, worked for another air: how the humidity climbs as the air rises and cools.
FB-ENG-011, Fig. AWater vapour as a gas
How much vapour air can hold at each temperature, which sets the dew point.
FB-ENG-005, Fig. ALapse rates and stability
The dry rate the lifted air cools at, against the air around it.

2The wind

Contents

Calm.

From the Field Book

FB-EVT-150, Fig. AHigh wind
How a high wind reaches the ground, and the strengths a warning is issued at (40 mph sustained, 58 mph gusts).
FB-ENG-008, Fig. ACoriolis as geometry
Why large scale winds turn, and blow round a low rather than into it.

3The column

Contents

At 22 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; it reports 27.7 F, 31.2 F colder than standard.

From the Field Book

FB-ENG-001, Fig. AAtmosphere in section
The whole standard atmosphere this station stands in, from the ground to the edge of space.
FB-ENG-003, Fig. CHydrostatic balance
Why a barometer 22 ft up reads less: it weighs only the air above it.

4The sun

Contents

On Oct 16 the noon sun stands 14 degrees above the horizon at 66.56 N, and the day is 9 h 05 min long. Level ground there takes 25 per cent of the noon sunlight a surface facing the sun would.

From the Field Book

FB-ENG-007, Fig. ARadiation budget
Where the sunlight that reaches this ground goes once it arrives.

5The instrument

Contents

A weather instrument, 22 ft above sea level. Its report of Oct 16, 2026, 5:00 AM local time is written on the sensors that made it.

From the Field Book

FB-INS-001, Fig. AWhat an instrument is
A surface station taken apart: what each of these sensors is.

Selawik 28 E

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Selawik 28 E Report

Selawik 28 E, in 5 sheets

1The air

From the Field Book

2The wind

From the Field Book

3The column

From the Field Book

4The sun

From the Field Book

5The instrument

From the Field Book

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