Every instrument close enough to be worth naming, how far away it is, how high it stands, and what kind of measurement it makes.
What the snow tracker reads here
Every instrument in this state
-in
Snow on the ground
Station charts
Barrow 4 ENE Report
Rank 692 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.
Ranking Statistics
247 score92.7of 100
Alaska median
96.0the median score of 1,023 stations
Scoring higher
682stations in Alaska
Sharing its score
15ranks 683 to 697
Points deducted
7.37.3 arrival
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Alaska median 100.0, 100.0, 100.0
Next above
96409rank 684; ahead on median arrival 90 min 51 s against 90 min 52 s
Next below
TBFA2rank 695; behind on reports received 100% against 95.0%
Sharing its rank
2other stations, equal on every measure
Equal scores are ordered by the share of scheduled reports received, then the reports due in the week (the longer record first), then the median arrival, then the longest silence.
Reports receivedweight 35100.035.0 of 35 pointsAlaska median 98.884 of 84 scheduled reports received in 7 days
Arrivalweight 1027.02.7 of 10 pointsAlaska median 86.1half its reports arrived within 1.5 h
Continuityweight 10100.010.0 of 10 pointsAlaska median 100.0longest silence 3 h, on a schedule of one report every 2 h
Accuracyweight 20-20.0 of 20 points, at the medianAlaska median 100.0-
Instrument checksweight 15-15.0 of 15 points, at the medianAlaska median 100.0-
Forecast checkweight 10-10.0 of 10 points, at the medianAlaska median 100.0-
The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.
How each part is scored
Reports received
Full marks for every scheduled report received, none for none, in proportion between
Arrival
Full marks for a median arrival within 12 min, none at 2 h
Continuity
Full marks for a longest silence of 3 reports or less (6 h), none for 72 (144 h)
Accuracy
Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °F
Instrument checks
Full marks for no reading failed, none for 5 per cent or more
Forecast check
Full marks within 2 °F of the forecast on average, none at 8 °F
The reports received are counted from the network's own archive of this station's reports. Its 247 rank is counted from Storm Station's own record, which holds less than 7 days of it so far: 84 of 84 scheduled reports received, 100%.
Its schedule is one report every 5 min, 288 in 24 hours. Two reports in the same 5 min count as one received.
The ranking these charts were drawn from, as tables
Share of scheduled reports received
Stations
100%
325
90 to 99%
427
80 to 89%
89
70 to 79%
44
60 to 69%
43
50 to 59%
45
40 to 49%
23
30 to 39%
10
20 to 29%
12
10 to 19%
4
0 to 9%
1
Day
Rank
Stations ranked
Share received
Oct 16, 2026
692
1,023
100.0%
Oct 15, 2026
688
1,024
100.0%
Oct 14, 2026
695
1,022
100.0%
Oct 13, 2026
702
1,024
100.0%
Oct 12, 2026
700
1,026
100.0%
Oct 11, 2026
732
1,026
98.8%
Oct 10, 2026
717
1,003
98.8%
Oct 9, 2026
714
1,003
98.8%
Oct 8, 2026
730
1,002
98.8%
Oct 7, 2026
728
1,001
98.8%
Oct 6, 2026
725
992
98.8%
Oct 5, 2026
719
988
98.7%
Oct 4, 2026
710
958
100.0%
Oct 3, 2026
745
957
100.0%
Oct 2, 2026
745
957
100.0%
Oct 1, 2026
432
930
100.0%
Sep 30, 2026
499
931
100.0%
Sep 29, 2026
520
924
100.0%
The readings these charts were drawn from, as a table
Hour
Temperature F
Dew point F
Relative humidity %
Wind mph
Reports
Fri 16, 5 AM
21.7
17.6
84
18
1
Fri 16, 4 AM
21.3
16.7
82
19
12
Fri 16, 3 AM
20.5
14.8
79
20
12
Fri 16, 2 AM
21.1
14.7
76
20
12
Fri 16, 1 AM
21.0
14.7
76
17
12
Fri 16, 12 AM
20.4
13.8
76
16
12
Thu 15, 11 PM
20.3
13.8
-
13
12
Thu 15, 10 PM
20.2
13.3
-
14
12
Thu 15, 9 PM
21.3
14.1
-
13
12
Thu 15, 8 PM
20.7
13.5
-
10
12
Thu 15, 7 PM
20.1
12.9
-
10
12
Thu 15, 6 PM
19.8
13.3
-
8
12
Thu 15, 5 PM
18.4
14.5
-
0
12
Thu 15, 4 PM
19.1
14.7
-
1
12
Thu 15, 3 PM
18.1
13.2
-
2
12
Thu 15, 2 PM
17.2
12.2
-
1
12
Thu 15, 1 PM
16.6
12.1
-
2
12
Thu 15, 12 PM
14.7
10.9
-
2
12
Thu 15, 11 AM
13.1
10.1
-
2
12
Thu 15, 10 AM
11.1
8.2
-
0
12
Thu 15, 9 AM
10.4
7.4
-
1
12
Thu 15, 8 AM
11.5
7.9
-
4
12
Left out: the temperature, which read 30.02 F in 25 reports in a row from Oct 12, 2026, the mark of a sensor that has stuck.
The readings these charts were drawn from, as a table
Hour
Temperature F
Dew point F
Relative humidity %
Wind mph
Reports
Fri 16, 5 AM
21.7
17.6
84
18
1
Fri 16, 4 AM
21.3
16.7
82
19
12
Fri 16, 3 AM
20.5
14.8
79
20
12
Fri 16, 2 AM
21.1
14.7
76
20
12
Fri 16, 1 AM
21.0
14.7
76
17
12
Fri 16, 12 AM
20.4
13.8
76
16
12
Thu 15, 11 PM
20.3
13.8
-
13
12
Thu 15, 10 PM
20.2
13.3
-
14
12
Thu 15, 9 PM
21.3
14.1
-
13
12
Thu 15, 8 PM
20.7
13.5
-
10
12
Thu 15, 7 PM
20.1
12.9
-
10
12
Thu 15, 6 PM
19.8
13.3
-
8
12
Thu 15, 5 PM
18.4
14.5
-
0
12
Thu 15, 4 PM
19.1
14.7
-
1
12
Thu 15, 3 PM
18.1
13.2
-
2
12
Thu 15, 2 PM
17.2
12.2
-
1
12
Thu 15, 1 PM
16.6
12.1
-
2
12
Thu 15, 12 PM
14.7
10.9
-
2
12
Thu 15, 11 AM
13.1
10.1
-
2
12
Thu 15, 10 AM
11.1
8.2
-
0
12
Thu 15, 9 AM
10.4
7.4
-
1
12
Thu 15, 8 AM
11.5
7.9
-
4
12
Thu 15, 7 AM
13.1
9.0
-
5
12
Thu 15, 6 AM
13.5
9.4
-
7
12
Thu 15, 5 AM
10.4
6.8
-
5
12
Thu 15, 4 AM
7.5
4.0
-
4
12
Thu 15, 3 AM
10.7
6.6
-
5
12
Thu 15, 2 AM
11.1
6.9
-
5
12
Thu 15, 1 AM
12.9
8.4
-
6
12
Thu 15, 12 AM
15.1
10.3
-
9
12
Wed 14, 11 PM
14.2
9.8
-
7
12
Wed 14, 10 PM
14.8
10.2
-
7
12
Wed 14, 9 PM
15.4
10.6
-
7
12
Wed 14, 8 PM
15.9
11.0
-
6
12
Wed 14, 7 PM
15.5
10.7
-
4
12
Wed 14, 6 PM
16.6
10.9
-
5
12
Wed 14, 5 PM
17.5
11.4
-
7
12
Wed 14, 4 PM
16.7
10.4
-
3
12
Wed 14, 3 PM
18.8
11.3
-
6
12
Wed 14, 2 PM
18.9
10.8
-
5
12
Wed 14, 1 PM
18.8
10.8
-
4
12
Wed 14, 12 PM
18.6
10.4
-
3
12
Wed 14, 11 AM
18.5
10.0
-
4
12
Wed 14, 10 AM
18.4
9.7
-
3
12
Wed 14, 9 AM
18.5
9.1
-
3
12
Wed 14, 8 AM
18.4
9.5
-
3
12
Wed 14, 7 AM
18.3
10.3
-
2
12
Wed 14, 6 AM
18.2
10.5
-
2
12
Wed 14, 5 AM
18.1
10.4
-
3
12
Wed 14, 4 AM
17.8
10.4
-
4
12
Wed 14, 3 AM
17.6
10.4
-
4
12
Wed 14, 2 AM
17.4
10.6
-
4
12
Wed 14, 1 AM
17.0
10.2
-
5
12
Wed 14, 12 AM
17.3
10.5
-
6
12
Tue 13, 11 PM
17.0
10.4
-
7
12
Tue 13, 10 PM
17.1
10.4
-
7
12
Tue 13, 9 PM
17.0
10.5
-
8
12
Tue 13, 8 PM
16.8
10.6
-
8
12
Tue 13, 7 PM
16.6
10.7
-
9
12
Tue 13, 6 PM
16.8
11.0
-
9
12
Tue 13, 5 PM
17.2
12.0
-
9
12
Tue 13, 4 PM
17.2
12.4
-
9
12
Tue 13, 3 PM
17.4
12.2
-
10
12
Tue 13, 2 PM
17.4
12.4
-
10
12
Tue 13, 1 PM
17.4
12.4
-
9
12
Tue 13, 12 PM
17.8
13.0
-
10
12
Tue 13, 11 AM
18.2
13.1
-
10
12
Tue 13, 10 AM
18.9
13.6
-
10
12
Tue 13, 9 AM
20.8
15.4
-
13
12
Tue 13, 8 AM
22.7
18.0
-
13
12
Tue 13, 7 AM
24.3
20.2
-
12
12
Tue 13, 6 AM
24.6
19.7
-
7
12
Tue 13, 5 AM
23.6
18.4
-
5
12
Tue 13, 4 AM
23.0
16.5
-
7
12
Tue 13, 3 AM
23.9
16.8
-
8
12
Tue 13, 2 AM
23.2
15.8
-
7
12
Tue 13, 1 AM
20.9
12.5
-
6
12
Tue 13, 12 AM
20.6
12.1
-
7
12
Mon 12, 11 PM
20.0
11.1
-
7
12
Mon 12, 10 PM
20.1
11.2
-
8
12
Mon 12, 9 PM
20.3
12.2
-
8
12
Mon 12, 8 PM
21.1
13.7
-
10
12
Mon 12, 7 PM
21.7
14.7
-
11
12
Mon 12, 6 PM
22.1
15.6
-
11
12
Mon 12, 5 PM
23.2
18.6
-
13
12
Mon 12, 4 PM
23.9
19.8
-
12
12
Mon 12, 3 PM
24.4
20.5
-
12
12
Mon 12, 2 PM
25.0
21.2
-
13
12
Mon 12, 1 PM
25.4
22.0
-
13
12
Mon 12, 12 PM
25.7
22.5
-
14
12
Mon 12, 11 AM
25.8
23.0
-
15
12
Mon 12, 10 AM
26.2
23.4
-
15
12
Mon 12, 9 AM
26.9
23.6
-
16
12
Mon 12, 8 AM
27.3
23.9
-
15
12
Mon 12, 7 AM
27.5
24.6
-
16
12
Mon 12, 6 AM
27.7
25.4
-
15
12
Mon 12, 5 AM
28.2
26.3
-
15
12
Mon 12, 4 AM
29.0
27.7
-
13
12
Mon 12, 3 AM
29.8
28.9
-
11
12
Mon 12, 2 AM
-
29.1
-
10
12
Mon 12, 1 AM
30.2
29.1
-
7
12
Mon 12, 12 AM
30.2
29.1
-
5
12
Sun 11, 11 PM
30.2
29.2
-
6
12
Sun 11, 10 PM
30.1
29.1
-
4
12
Sun 11, 9 PM
29.8
28.9
-
3
12
Sun 11, 8 PM
30.3
29.4
-
2
12
Sun 11, 7 PM
30.8
30.1
-
2
12
Sun 11, 6 PM
30.4
29.6
-
2
12
Sun 11, 5 PM
30.5
29.7
-
2
12
Sun 11, 4 PM
30.9
29.9
-
1
12
Sun 11, 3 PM
31.8
30.5
-
1
12
Sun 11, 2 PM
31.2
29.9
-
1
12
Sun 11, 1 PM
29.8
28.6
-
1
12
Sun 11, 12 PM
28.1
27.0
-
1
12
Sun 11, 11 AM
27.9
26.9
-
1
12
Sun 11, 10 AM
27.7
26.3
-
2
12
Sun 11, 9 AM
25.9
24.6
-
3
12
Sun 11, 8 AM
24.2
22.9
-
3
12
Sun 11, 7 AM
25.2
24.0
-
2
12
Sun 11, 6 AM
27.2
25.9
-
2
12
Sun 11, 5 AM
29.5
27.9
-
2
12
Sun 11, 4 AM
29.0
27.4
-
2
12
Sun 11, 3 AM
26.1
24.9
-
1
12
Sun 11, 2 AM
24.4
23.0
-
2
12
Sun 11, 1 AM
24.4
23.2
-
2
12
Sun 11, 12 AM
26.7
25.2
-
2
12
Sat 10, 11 PM
28.7
27.2
-
2
12
Sat 10, 10 PM
29.3
27.7
-
2
12
Sat 10, 9 PM
28.5
26.9
-
2
12
Sat 10, 8 PM
30.4
28.4
-
3
12
Sat 10, 7 PM
31.7
29.5
-
3
12
Sat 10, 6 PM
32.6
30.2
-
4
12
Sat 10, 5 PM
32.9
30.5
-
6
12
Sat 10, 4 PM
34.1
31.7
-
6
12
Sat 10, 3 PM
34.4
32.2
-
7
12
Sat 10, 2 PM
33.8
31.8
-
11
12
Sat 10, 1 PM
33.7
30.3
-
11
12
Sat 10, 12 PM
32.9
29.5
-
9
12
Sat 10, 11 AM
32.1
29.1
-
7
12
Sat 10, 10 AM
29.8
27.2
-
5
12
Sat 10, 9 AM
28.6
26.0
-
7
12
Sat 10, 8 AM
30.9
28.3
-
7
12
Sat 10, 7 AM
32.1
29.5
-
6
12
Sat 10, 6 AM
32.6
29.8
-
5
12
Sat 10, 5 AM
32.3
30.1
-
5
12
Sat 10, 4 AM
31.6
29.7
-
8
12
Sat 10, 3 AM
31.3
29.7
-
7
12
Sat 10, 2 AM
31.2
29.6
-
7
12
Sat 10, 1 AM
31.4
29.6
-
7
12
Sat 10, 12 AM
32.0
29.9
-
6
12
Fri 9, 11 PM
31.9
29.9
-
7
12
Fri 9, 10 PM
32.5
29.8
-
4
12
Fri 9, 9 PM
31.6
28.0
-
5
12
Fri 9, 8 PM
29.3
26.5
-
6
12
Fri 9, 7 PM
30.8
27.6
-
5
12
Fri 9, 6 PM
31.8
28.7
-
6
12
Fri 9, 5 PM
31.6
28.3
-
4
12
Fri 9, 4 PM
32.6
28.8
-
5
12
Fri 9, 3 PM
32.1
28.4
-
5
12
Fri 9, 2 PM
32.3
29.2
-
4
12
Fri 9, 1 PM
30.9
28.0
-
5
12
Fri 9, 12 PM
29.9
26.9
-
6
12
Fri 9, 11 AM
27.4
24.9
-
6
12
Fri 9, 10 AM
26.0
23.2
-
5
12
Fri 9, 9 AM
26.6
23.4
-
7
12
Fri 9, 8 AM
25.9
22.4
-
6
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
21.7
20.1
17.6
13.4
84
75
0.00
Oct 15
21.7
6.6
15.1
3.3
88
70
0.00
Oct 14
19.0
14.0
11.9
8.8
83
65
0.00
Oct 13
25.0
16.3
20.7
9.8
86
68
0.00
Oct 12
30.4
19.8
29.4
10.4
97
65
0.01
Oct 11
32.2
23.4
30.9
22.1
98
94
0.00
Oct 10
34.7
28.0
32.5
25.6
94
87
0.04
Oct 9
33.1
21.0
30.4
16.1
93
81
0.04
Oct 8
21.2
10.2
17.2
6.1
88
80
0.00
Oct 7
23.4
16.3
18.3
11.2
84
73
0.00
Oct 6
24.3
20.5
19.5
14.8
89
73
0.00
Oct 5
28.4
16.3
25.9
13.6
94
82
0.00
Oct 4
21.9
11.3
19.9
8.3
93
87
0.00
Oct 3
26.6
11.8
23.6
8.7
92
65
0.03
Oct 2
28.0
16.2
24.3
13.5
91
68
0.10
Oct 1
28.0
17.1
23.8
14.6
93
70
0.02
Sep 30
30.6
22.3
26.2
14.0
90
67
0.04
Sep 29
30.4
26.2
25.1
15.9
86
62
0.02
Sep 28
31.8
28.0
29.6
21.0
92
73
0.00
Sep 27
34.0
30.9
31.5
28.0
94
83
0.05
Sep 26
38.1
29.8
34.9
28.2
95
85
0.00
Sep 25
34.2
25.9
30.8
17.7
97
62
0.00
Sep 24
31.1
25.2
24.8
16.2
93
59
0.00
Sep 23
28.8
25.5
19.8
13.9
73
56
0.00
Sep 22
37.8
27.7
35.5
18.8
96
69
0.13
Sep 21
34.5
26.2
32.2
23.4
95
82
0.04
Sep 20
34.3
28.4
31.4
23.7
95
76
0.04
Sep 19
32.5
26.8
31.0
22.4
95
69
0.02
Sep 18
34.3
27.0
32.0
24.9
96
77
0.09
Sep 17
33.8
29.1
29.7
24.2
93
69
0.04
Station report
Barrow 4 ENE, 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.
21.7 F with a dew point of 17.6 F, 84 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.
At 15 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.91 inHg and the temperature at 58.9 F; it reports 21.7 F, 37.2 F colder than standard.
On Oct 16 the noon sun stands 10 degrees above the horizon at 71.32 N, and the day is 8 h 12 min long. Level ground there takes 17 per cent of the noon sunlight a surface facing the sun would.