MONTHLY CLIMATOLOGICAL SUMMARY for APR. 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 71.7 86.1 4:00p 62.6 7:30a 0.4 7.1 0.17 1.5 14.0 1:00a SSW
2 53.4 63.5 12:30a 45.3 12:00m 11.6 0.0 0.00 0.5 9.0 3:00p ESE
3 59.0 79.1 6:00p 44.9 2:30a 9.7 3.6 0.01 0.6 9.0 3:00p S
4 72.9 84.3 3:00p 62.2 7:30a 0.2 8.1 0.00 0.7 14.0 6:00p SSE
5 60.1 72.5 10:00a 48.9 12:00m 5.9 1.0 0.48 2.9 15.0 9:00a NW
6 50.6 59.0 3:30p 41.4 7:30a 14.4 0.0 0.00 2.0 13.0 1:30a NW
7 47.7 56.1 3:00p 36.9 12:00m 17.3 0.0 0.00 3.0 19.0 11:30a NW
8 40.6 51.9 4:00p 28.4 7:30a 24.4 0.0 0.00 0.3 7.0 1:00p SE
9 45.9 60.2 4:30p 30.8 7:00a 19.1 0.0 0.00 0.6 10.0 1:30p SSE
10 56.5 73.8 5:30p 40.2 4:30a 10.3 1.8 0.00 0.9 10.0 3:30p SSE
11 60.7 69.8 3:30p 47.2 12:00m 5.0 0.7 0.00 1.4 13.0 8:00a NNW
12 55.9 69.5 2:30p 43.0 4:00a 9.8 0.6 0.00 1.4 12.0 2:30p SE
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
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56.3 86.1 1 28.4 8 128.1 22.9 0.66 1.3 19.0 7 NW
Max >= 90.0: 0
Max <= 32.0: 0
Min <= 32.0: 2
Min <= 0.0: 0
Max Rain: 0.48 ON 04/05/26
Days of Rain: 2 (>.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 37.5 21.3 29.5 -2.0 1102 0 58.4 7 2.8 31 0 9 25 0
26 2 40.9 25.2 32.6 -1.9 907 0 63.1 28 6.1 9 0 6 18 0
26 3 60.5 38.1 49.2 6.2 522 33 82.1 11 22.0 18 0 0 9 0
26 4 68.8 44.3 56.3 3.8 128 23 86.1 1 28.4 8 0 0 2 0
26 5
26 6
26 7
26 8
26 9
26 10
26 11
26 12
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49.1 30.2 39.5 1.5 2659 56 86.1 APR 2.8 JAN 0 15 54 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 2.11 -0.86 0.45 15 8 7 0
26 3 3.81 -0.34 1.88 16 12 6 1
26 4 0.66 -2.85 0.48 5 2 2 0
26 5
26 6
26 7
26 8
26 9
26 10
26 11
26 12
---------------------------------------------
7.73 -6.32 1.88 MAR 27 17 1
WIND SPEED (mph)
DOM
YR MO AVG. HI DATE DIR
---------------------------------
26 1 1.8 24.0 11 NW
26 2 1.8 27.0 7 NW
26 3 1.8 31.0 11 SSW
26 4 1.3 19.0 7 NW
26 5
26 6
26 7
26 8
26 9
26 10
26 11
26 12
---------------------------------
1.7 31.0 MAR NW
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