MONTHLY CLIMATOLOGICAL SUMMARY for MAY. 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 68.6 79.4 3:00p 57.5 6:00a 2.0 5.7 0.00 0.0 8.0 11:30a SE
2 71.7 82.7 2:00p 64.5 6:30a 0.0 6.7 0.52 0.0 11.0 5:00p NW
3 68.2 80.4 3:00p 62.5 11:30p 0.4 3.6 0.10 0.1 12.0 4:30p NNW
4 65.1 70.9 5:00p 61.4 7:00a 1.3 1.4 0.40 0.0 6.0 6:30p SSE
5 65.2 69.3 3:00p 61.2 10:00p 0.9 1.1 0.33 0.0 7.0 9:00p SSE
6 63.4 70.7 1:30p 59.3 12:00m 2.1 0.5 0.56 0.1 13.0 3:00p E
7 62.4 70.3 4:30p 55.0 5:30a 4.1 1.4 0.00 0.0 7.0 12:00p NW
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
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66.4 82.7 2 55.0 7 10.8 20.4 1.91 0.0 13.0 6 SSE
Max >= 90.0: 0
Max <= 32.0: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 0.56 ON 05/06/25
Days of Rain: 5 (>.01 in) 4 (>.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 66.9 47.1 57.0 4.5 297 55 80.7 30 27.7 9 0 0 1 0
25 5 74.8 60.2 66.4 4.4 11 20 82.7 2 55.0 7 0 0 0 0
25 6
25 7
25 8
25 9
25 10
25 11
25 12
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53.2 35.2 44.1 2.7 2754 98 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 1.44 -2.07 0.40 26 9 5 0
25 5 1.91 -2.80 0.56 6 5 4 0
25 6
25 7
25 8
25 9
25 10
25 11
25 12
---------------------------------------------
7.91-10.85 0.74 MAR 32 20 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 1.2 23.0 15 NW
25 5 0.0 13.0 6 SSE
25 6
25 7
25 8
25 9
25 10
25 11
25 12
---------------------------------
2.0 33.0 FEB NW
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