MONTHLY CLIMATOLOGICAL SUMMARY for JAN. 2026
NAME: 2025 CITY: Dayton STATE: Maryland
ELEV: 570 ft LAT: 39° 14' 35" N LONG: 76° 59' 54" W
TEMPERATURE (°F), RAIN (in), WIND SPEED (mph)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
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1 27.3 34.6 3:30a 22.8 9:30p 37.7 0.0 0.00 3.3 21.0 5:30a NW
2 27.3 34.5 4:00p 22.0 12:00m 37.7 0.0 0.00 0.4 7.0 4:00p WSW
3 27.4 34.3 2:30p 21.1 1:00a 37.6 0.0 0.00 0.2 8.0 2:30p NW
4 31.0 39.1 2:00p 23.2 12:00m 34.0 0.0 0.00 1.0 13.0 3:00p NW
5 31.0 38.5 6:00p 21.2 5:00a 34.0 0.0 0.00 0.9 12.0 12:30p S
6 37.2 44.8 3:00p 30.3 7:00a 27.8 0.0 0.00 0.0 8.0 3:30p SE
7 44.5 58.4 3:00p 32.5 2:00a 20.5 0.0 0.00 1.4 18.0 12:30p NW
8 42.5 54.7 2:30p 30.8 8:30a 22.6 0.0 0.00 0.0 6.0 12:30p SE
9 45.7 52.0 9:00p 39.1 6:30a 19.3 0.0 0.05 1.3 12.0 11:00a SSE
10 45.7 50.7 12:30a 43.6 8:30p 19.3 0.0 0.88 0.0 8.0 3:00p ESE
11 39.7 46.6 3:30a 32.1 12:00m 25.3 0.0 0.01 5.9 24.0 7:00p NW
12 35.3 45.0 4:00p 28.8 12:00m 29.7 0.0 0.00 1.8 15.0 10:00a WNW
13 39.5 50.8 2:30p 25.5 8:00a 25.5 0.0 0.00 1.0 12.0 3:00p SSW
14 46.9 50.8 2:30p 40.9 12:00m 18.1 0.0 0.00 0.1 10.0 1:00a SSE
15 28.8 41.8 2:30a 20.1 9:00p 36.2 0.0 0.03 6.7 20.0 5:00a NW
16 26.5 35.8 12:00m 18.6 6:30a 38.5 0.0 0.00 2.5 19.0 1:00a WNW
17 34.8 39.8 4:30p 30.8 10:00a 30.2 0.0 0.04 0.2 9.0 9:30a S
18 31.1 34.8 1:00p 20.1 12:00m 33.9 0.0 0.14 0.4 9.0 5:00p NNW
19 27.8 38.4 3:30p 18.4 7:30a 37.2 0.0 0.00 1.2 13.0 11:30a NW
20 20.4 27.3 3:00p 13.7 12:00m 44.6 0.0 0.00 2.9 16.0 2:00p NW
21 27.0 40.8 12:00m 11.2 6:30a 38.0 0.0 0.00 2.1 20.0 1:00p SSW
22 41.4 51.7 2:00p 32.6 12:00m 23.6 0.0 0.00 2.4 19.0 1:30p WNW
23
24
25
26
27
28
29
30
31
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34.5 58.4 7 11.2 21 671.3 0.0 1.15 1.6 24.0 11 NW
Max >= 90.0: 0
Max <= 32.0: 1
Min <= 32.0: 16
Min <= 0.0: 0
Max Rain: 0.88 ON 01/10/26
Days of Rain: 5 (>.01 in) 2 (>.1 in) 0 (>1 in)
Heat Base: 65.0 Cool Base: 65.0 Method: Integration
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ANNUAL CLIMATOLOGICAL SUMMARY
NAME: 2025 CITY: Dayton STATE: Maryland
ELEV: 570 ft LAT: 39° 14' 35" N LONG: 76° 59' 54" W
TEMPERATURE (°F), HEAT BASE 65.0, COOL BASE 65.0
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=90 <=32 <=32 <=0
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26 1 43.0 26.3 34.5 3.0 671 0 58.4 7 11.2 21 0 1 16 0
26 2
26 3
26 4
26 5
26 6
26 7
26 8
26 9
26 10
26 11
26 12
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43.0 26.3 34.5 3.0 671 0 58.4 JAN 11.2 JAN 0 1 16 0
PRECIPITATION (in)
DEP. MAX DAYS OF RAIN
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE .01 .1 1
---------------------------------------------
26 1 1.15 -2.27 0.88 10 5 2 0
26 2
26 3
26 4
26 5
26 6
26 7
26 8
26 9
26 10
26 11
26 12
---------------------------------------------
1.15 -2.27 0.88 JAN 5 2 0
WIND SPEED (mph)
DOM
YR MO AVG. HI DATE DIR
---------------------------------
26 1 1.6 24.0 11 NW
26 2
26 3
26 4
26 5
26 6
26 7
26 8
26 9
26 10
26 11
26 12
---------------------------------
1.6 24.0 JAN NW
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