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
Merced 23 WSW Report
Rank 2,578 of 4,465 in California, 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 score89.1of 100
California median
91.6the median score of 4,465 stations
Scoring higher
2,572stations in California
Sharing its score
12ranks 2,573 to 2,584
Points deducted
10.97.3 arrival, 2.9 accuracy, 0.8 forecast check
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; California median 85.6, 100.0, 92.4
Next above
53152rank 2,573; ahead on median arrival 90 min 51 s against 90 min 52 s
Next below
CVNC1rank 2,579; behind on reports received 100% against 99.4%
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 pointsCalifornia median 98.584 of 84 scheduled reports received in 7 days
Arrivalweight 1027.02.7 of 10 pointsCalifornia median 81.2half its reports arrived within 1.5 h
Continuityweight 10100.010.0 of 10 pointsCalifornia median 100.0longest silence 3 h, on a schedule of one report every 2 h
Accuracyweight 20-17.1 of 20 points, at the medianCalifornia median 85.6-
Instrument checksweight 15-15.0 of 15 points, at the medianCalifornia median 100.0-
Forecast checkweight 10-9.2 of 10 points, at the medianCalifornia median 92.4-
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%
1,080
90 to 99%
2,034
80 to 89%
391
70 to 79%
209
60 to 69%
120
50 to 59%
285
40 to 49%
118
30 to 39%
22
20 to 29%
45
10 to 19%
83
0 to 9%
78
Day
Rank
Stations ranked
Share received
Oct 16, 2026
2,578
4,465
100.0%
Oct 15, 2026
2,599
4,462
100.0%
Oct 14, 2026
2,667
4,466
100.0%
Oct 13, 2026
2,661
4,464
100.0%
Oct 12, 2026
2,645
4,446
100.0%
Oct 11, 2026
2,721
4,428
100.0%
Oct 10, 2026
2,708
4,400
100.0%
Oct 9, 2026
2,695
4,400
100.0%
Oct 8, 2026
2,672
4,405
100.0%
Oct 7, 2026
2,700
4,381
100.0%
Oct 6, 2026
2,703
4,362
100.0%
Oct 5, 2026
2,665
4,333
100.0%
Oct 4, 2026
2,692
4,072
100.0%
Oct 3, 2026
2,762
3,944
100.0%
Oct 2, 2026
2,762
3,944
100.0%
Oct 1, 2026
1,135
3,586
100.0%
Sep 30, 2026
1,534
3,491
100.0%
Sep 29, 2026
1,538
3,460
100.0%
The readings these charts were drawn from, as a table
Hour
Temperature F
Wind mph
Reports
Thu 15, 10 PM
59.9
2
1
Thu 15, 9 PM
58.6
2
12
Thu 15, 8 PM
60.3
2
12
Thu 15, 7 PM
64.3
1
12
Thu 15, 6 PM
73.1
2
12
Thu 15, 5 PM
81.2
2
12
Thu 15, 4 PM
83.0
4
12
Thu 15, 3 PM
82.8
3
12
Thu 15, 2 PM
81.1
4
12
Thu 15, 1 PM
79.3
5
12
Thu 15, 12 PM
77.7
4
12
Thu 15, 11 AM
73.5
4
12
Thu 15, 10 AM
68.2
3
12
Thu 15, 9 AM
59.4
2
12
Thu 15, 8 AM
49.5
1
12
Thu 15, 7 AM
40.4
2
12
Thu 15, 6 AM
40.5
1
12
Thu 15, 5 AM
41.6
1
12
Thu 15, 4 AM
42.6
1
12
Thu 15, 3 AM
44.1
1
12
Thu 15, 2 AM
45.3
2
12
Thu 15, 1 AM
47.1
1
12
Thu 15, 12 AM
49.4
1
12
The readings these charts were drawn from, as a table
Hour
Temperature F
Wind mph
Reports
Thu 15, 10 PM
59.9
2
1
Thu 15, 9 PM
58.6
2
12
Thu 15, 8 PM
60.3
2
12
Thu 15, 7 PM
64.3
1
12
Thu 15, 6 PM
73.1
2
12
Thu 15, 5 PM
81.2
2
12
Thu 15, 4 PM
83.0
4
12
Thu 15, 3 PM
82.8
3
12
Thu 15, 2 PM
81.1
4
12
Thu 15, 1 PM
79.3
5
12
Thu 15, 12 PM
77.7
4
12
Thu 15, 11 AM
73.5
4
12
Thu 15, 10 AM
68.2
3
12
Thu 15, 9 AM
59.4
2
12
Thu 15, 8 AM
49.5
1
12
Thu 15, 7 AM
40.4
2
12
Thu 15, 6 AM
40.5
1
12
Thu 15, 5 AM
41.6
1
12
Thu 15, 4 AM
42.6
1
12
Thu 15, 3 AM
44.1
1
12
Thu 15, 2 AM
45.3
2
12
Thu 15, 1 AM
47.1
1
12
Thu 15, 12 AM
49.4
1
12
Wed 14, 11 PM
49.2
2
12
Wed 14, 10 PM
52.3
2
12
Wed 14, 9 PM
52.3
2
12
Wed 14, 8 PM
58.3
1
12
Wed 14, 7 PM
62.3
1
12
Wed 14, 6 PM
70.7
1
12
Wed 14, 5 PM
77.2
2
12
Wed 14, 4 PM
78.6
3
12
Wed 14, 3 PM
78.8
3
12
Wed 14, 2 PM
78.4
4
12
Wed 14, 1 PM
77.1
3
12
Wed 14, 12 PM
74.7
3
12
Wed 14, 11 AM
70.8
3
12
Wed 14, 10 AM
65.0
3
12
Wed 14, 9 AM
56.3
3
12
Wed 14, 8 AM
46.4
2
12
Wed 14, 7 AM
39.3
1
12
Wed 14, 6 AM
38.6
2
12
Wed 14, 5 AM
39.0
1
12
Wed 14, 4 AM
39.5
1
12
Wed 14, 3 AM
43.9
2
12
Wed 14, 2 AM
44.9
3
12
Wed 14, 1 AM
45.8
3
12
Wed 14, 12 AM
51.0
1
12
Tue 13, 11 PM
51.3
1
12
Tue 13, 10 PM
52.5
2
12
Tue 13, 9 PM
52.5
3
12
Tue 13, 8 PM
55.1
2
12
Tue 13, 7 PM
58.9
2
12
Tue 13, 6 PM
64.8
2
12
Tue 13, 5 PM
73.7
4
12
Tue 13, 4 PM
75.5
6
12
Tue 13, 3 PM
75.2
6
12
Tue 13, 2 PM
74.8
7
12
Tue 13, 1 PM
73.8
9
12
Tue 13, 12 PM
72.6
10
12
Tue 13, 11 AM
70.9
8
12
Tue 13, 10 AM
67.3
7
12
Tue 13, 9 AM
60.9
6
12
Tue 13, 8 AM
51.8
3
12
Tue 13, 7 AM
41.9
1
12
Tue 13, 6 AM
41.5
1
12
Tue 13, 5 AM
41.8
1
12
Tue 13, 4 AM
42.9
1
12
Tue 13, 3 AM
44.8
2
12
Tue 13, 2 AM
44.6
1
12
Tue 13, 1 AM
45.3
1
12
Tue 13, 12 AM
46.7
2
12
Mon 12, 11 PM
50.3
2
12
Mon 12, 10 PM
51.9
2
12
Mon 12, 9 PM
54.8
2
12
Mon 12, 8 PM
57.9
3
12
Mon 12, 7 PM
58.4
2
12
Mon 12, 6 PM
62.9
1
12
Mon 12, 5 PM
70.1
3
12
Mon 12, 4 PM
71.9
4
12
Mon 12, 3 PM
72.0
4
12
Mon 12, 2 PM
71.0
4
12
Mon 12, 1 PM
70.2
4
12
Mon 12, 12 PM
68.1
3
12
Mon 12, 11 AM
66.7
4
12
Mon 12, 10 AM
64.6
5
12
Mon 12, 9 AM
59.8
3
12
Mon 12, 8 AM
55.5
3
12
Mon 12, 7 AM
47.8
2
12
Mon 12, 6 AM
46.1
1
12
Mon 12, 5 AM
47.8
1
12
Mon 12, 4 AM
49.8
1
12
Mon 12, 3 AM
52.5
2
12
Mon 12, 2 AM
55.2
4
12
Mon 12, 1 AM
56.5
5
12
Mon 12, 12 AM
51.1
2
12
Sun 11, 11 PM
54.3
3
12
Sun 11, 10 PM
57.1
8
12
Sun 11, 9 PM
58.2
10
12
Sun 11, 8 PM
59.2
11
12
Sun 11, 7 PM
60.2
7
12
Sun 11, 6 PM
63.9
8
12
Sun 11, 5 PM
69.6
10
12
Sun 11, 4 PM
73.5
9
12
Sun 11, 3 PM
74.8
5
12
Sun 11, 2 PM
74.0
4
12
Sun 11, 1 PM
71.7
4
12
Sun 11, 12 PM
70.2
5
12
Sun 11, 11 AM
68.4
5
12
Sun 11, 10 AM
65.3
5
12
Sun 11, 9 AM
61.6
6
12
Sun 11, 8 AM
54.1
2
12
Sun 11, 7 AM
45.6
2
12
Sun 11, 6 AM
44.6
2
12
Sun 11, 5 AM
45.4
2
12
Sun 11, 4 AM
45.1
2
12
Sun 11, 3 AM
47.5
2
12
Sun 11, 2 AM
48.9
3
12
Sun 11, 1 AM
49.3
2
12
Sun 11, 12 AM
51.4
2
12
Sat 10, 11 PM
54.6
2
12
Sat 10, 10 PM
57.2
2
12
Sat 10, 9 PM
59.8
3
12
Sat 10, 8 PM
61.6
4
12
Sat 10, 7 PM
64.0
3
12
Sat 10, 6 PM
69.5
6
12
Sat 10, 5 PM
75.6
11
12
Sat 10, 4 PM
79.3
11
12
Sat 10, 3 PM
82.4
8
12
Sat 10, 2 PM
82.1
5
12
Sat 10, 1 PM
80.5
5
12
Sat 10, 12 PM
78.7
4
12
Sat 10, 11 AM
75.0
4
12
Sat 10, 10 AM
71.7
3
12
Sat 10, 9 AM
66.9
3
12
Sat 10, 8 AM
60.4
1
12
Sat 10, 7 AM
52.9
1
12
Sat 10, 6 AM
55.7
2
12
Sat 10, 5 AM
55.1
2
12
Sat 10, 4 AM
56.6
2
12
Sat 10, 3 AM
59.7
4
12
Sat 10, 2 AM
58.3
3
12
Sat 10, 1 AM
59.2
2
12
Sat 10, 12 AM
62.7
4
12
Fri 9, 11 PM
64.0
5
12
Fri 9, 10 PM
65.7
7
12
Fri 9, 9 PM
66.1
6
12
Fri 9, 8 PM
68.0
10
12
Fri 9, 7 PM
71.3
10
12
Fri 9, 6 PM
75.7
9
12
Fri 9, 5 PM
83.1
10
12
Fri 9, 4 PM
88.3
13
12
Fri 9, 3 PM
95.0
9
12
Fri 9, 2 PM
95.1
4
12
Fri 9, 1 PM
92.9
4
12
Fri 9, 12 PM
89.9
4
12
Fri 9, 11 AM
84.8
3
12
Fri 9, 10 AM
81.1
3
12
Fri 9, 9 AM
75.9
1
12
Fri 9, 8 AM
65.4
2
12
Fri 9, 7 AM
57.4
2
12
Fri 9, 6 AM
57.5
1
12
Fri 9, 5 AM
56.9
1
12
Fri 9, 4 AM
56.9
1
12
Fri 9, 3 AM
60.7
1
12
Fri 9, 2 AM
60.0
2
12
Fri 9, 1 AM
62.9
1
12
Fri 9, 12 AM
64.8
2
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 15
83.5
39.4
-
-
-
-
0.00
Oct 14
79.2
37.4
-
-
-
-
0.00
Oct 13
76.1
38.5
-
-
-
-
0.00
Oct 12
72.5
42.3
-
-
-
-
0.00
Oct 11
75.7
43.7
-
-
-
-
0.00
Oct 10
83.7
51.8
-
-
-
-
0.00
Oct 9
96.4
55.8
-
-
-
-
0.00
Oct 8
98.8
55.4
-
-
-
-
0.00
Oct 7
101.8
58.5
-
-
-
-
0.00
Oct 6
99.9
58.3
-
-
-
-
0.00
Oct 5
100.6
62.4
-17.0
-17.6
1
1
0.00
Oct 4
101.8
52.7
-16.2
-19.6
1
1
0.00
Oct 3
97.3
53.1
-
-
-
-
0.00
Oct 2
89.6
56.5
-
-
-
-
0.00
Oct 1
95.7
52.7
-
-
-
-
0.00
Sep 30
95.0
49.5
-
-
-
-
0.00
Sep 29
92.3
45.5
-
-
-
-
0.00
Sep 28
84.2
43.0
-
-
-
-
0.00
Sep 27
84.6
46.9
-
-
-
-
0.00
Sep 26
89.2
46.2
69.3
-28.0
56
1
0.00
Sep 25
89.6
48.4
70.6
-31.9
56
1
0.00
Sep 24
99.0
51.6
78.1
-29.2
59
1
0.00
Sep 23
91.2
50.0
71.1
-25.9
56
2
0.00
Sep 22
86.9
44.8
67.1
-23.7
56
2
0.00
Sep 21
85.8
51.3
66.1
-4.5
58
5
0.00
Sep 20
83.7
52.7
64.1
-15.3
56
3
0.00
Sep 19
88.9
50.2
68.9
-8.2
57
4
0.00
Sep 18
85.6
45.0
65.9
-25.6
58
2
0.00
Sep 17
79.5
42.6
60.3
-29.0
56
2
0.00
Station report
Merced 23 WSW, in 4 sheets
Drawn from its report of Oct 15, 2026, 8:00 PM local time, in the manner of the Field Book, and opened beside the plates that explain each part of it.
At 78 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.84 inHg and the temperature at 58.7 F; it reports 61.0 F, 2.3 F warmer than standard.
On Oct 16 the noon sun stands 44 degrees above the horizon at 37.23 N, and the day is 11 h 04 min long. Level ground there takes 69 per cent of the noon sunlight a surface facing the sun would.