MONTHLY CLIMATOLOGICAL SUMMARY for APR. 2025
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 48.5 59.8 12:30a 40.8 7:30a 16.5 0.0 0.01 3.9 15.0 1:30a NW
2 46.9 55.3 4:00p 37.1 3:00a 18.1 0.0 0.00 1.8 14.0 4:00p SSE
3 63.1 75.1 6:00p 48.1 2:00a 5.7 3.8 0.02 1.6 12.0 2:30p SSW
4 67.1 72.3 2:30p 61.1 11:30p 0.7 2.8 0.09 0.4 15.0 5:30a N
5 60.9 68.6 6:30p 57.1 12:00m 4.4 0.3 0.00 0.2 9.0 10:30a ESE
6 54.4 59.3 11:30a 50.6 12:00m 10.6 0.0 0.00 0.3 12.0 11:30a NNW
7 44.5 50.7 12:30a 41.3 12:00m 20.5 0.0 0.18 0.0 4.0 1:00a N
8 40.0 47.5 3:30p 33.0 8:00a 25.0 0.0 0.00 4.6 21.0 1:00p NW
9 40.4 51.6 5:30p 27.7 4:30a 24.6 0.0 0.00 0.4 11.0 12:30p SSE
10 47.1 54.1 4:00p 41.3 8:30a 17.9 0.0 0.02 0.9 15.0 12:00p SSE
11 44.8 47.6 6:30p 43.4 7:00a 20.2 0.0 0.35 0.0 6.0 8:30a NNE
12 45.5 53.5 3:00p 41.1 7:30a 19.5 0.0 0.13 1.0 11.0 3:00p NNW
13 50.8 61.7 4:30p 43.1 5:30a 14.2 0.0 0.00 2.0 14.0 10:00a NNW
14 59.6 74.1 4:00p 44.2 2:30a 7.5 2.0 0.00 0.4 9.0 11:30a NW
15 58.4 66.6 1:30p 47.9 11:00p 6.6 0.0 0.01 4.2 23.0 9:00p WNW
16 50.7 59.7 3:30p 44.0 7:00a 14.3 0.0 0.00 5.1 19.0 2:30a NW
17 49.2 63.3 4:00p 34.7 7:00a 15.8 0.0 0.00 0.6 10.0 10:30a NNW
18 61.7 77.9 6:00p 41.9 6:30a 7.6 4.3 0.00 2.6 17.0 3:00p S
19 72.0 79.8 6:30p 67.4 8:00a 0.0 7.0 0.00 0.8 12.0 12:30a SSW
20 67.0 74.3 2:30p 55.2 12:00m 1.0 3.0 0.00 0.2 9.0 10:00a NNW
21 62.2 72.2 4:00p 55.2 12:30a 4.1 1.3 0.01 0.3 10.0 3:00p SSE
22 66.3 77.6 1:30p 56.2 6:00a 2.7 4.0 0.00 0.4 10.0 11:00a NW
23 61.9 76.4 3:00p 47.2 7:00a 6.1 2.9 0.00 0.0 5.0 10:00a ESE
24 63.7 76.2 3:30p 49.5 7:00a 4.9 3.6 0.00 0.0 8.0 5:00p SSE
25 64.3 74.4 2:00p 51.3 4:30a 4.1 3.3 0.10 0.1 9.0 1:30p SSE
26
27
28
29
30
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55.6 79.8 19 27.7 9 272.6 38.3 0.92 1.3 23.0 15 SSE
Max >= 90.0: 0
Max <= 32.0: 0
Min <= 32.0: 1
Min <= 0.0: 0
Max Rain: 0.35 ON 04/11/25
Days of Rain: 7 (>.01 in) 3 (>.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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25 1 36.0 21.9 29.0 -2.5 1115 0 54.0 29 3.1 23 0 12 27 0
25 2 43.7 28.0 35.5 1.0 827 0 63.3 26 15.1 19 0 3 21 0
25 3 60.7 38.0 49.4 6.4 505 22 82.7 31 18.3 2 0 0 6 0
25 4 65.2 46.4 55.6 3.1 273 38 79.8 19 27.7 9 0 0 1 0
25 5
25 6
25 7
25 8
25 9
25 10
25 11
25 12
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50.9 33.0 41.9 2.0 2719 61 82.7 MAR 3.1 JAN 0 15 55 0
PRECIPITATION (in)
DEP. MAX DAYS OF RAIN
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE .01 .1 1
---------------------------------------------
25 1 0.60 -2.82 0.20 7 6 3 0
25 2 1.88 -1.09 0.58 12 7 4 0
25 3 2.08 -2.07 0.74 5 5 4 0
25 4 0.92 -2.59 0.35 11 7 3 0
25 5
25 6
25 7
25 8
25 9
25 10
25 11
25 12
---------------------------------------------
5.48 -8.57 0.74 MAR 25 14 0
WIND SPEED (mph)
DOM
YR MO AVG. HI DATE DIR
---------------------------------
25 1 2.7 25.0 1 NW
25 2 2.2 33.0 16 NW
25 3 2.5 29.0 16 NW
25 4 1.3 23.0 15 SSE
25 5
25 6
25 7
25 8
25 9
25 10
25 11
25 12
---------------------------------
2.2 33.0 FEB NW
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