MONTHLY CLIMATOLOGICAL SUMMARY for OCT. 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 62.9 71.0 3:00p 51.6 12:00m 3.3 1.3 0.00 0.0 6.0 10:00a NW
2 58.1 68.8 3:00p 48.2 5:00a 7.5 0.5 0.00 0.0 8.0 2:30p SSE
3 58.8 69.3 4:30p 48.1 7:30a 7.1 0.9 0.00 0.0 0.0 --- ---
4 62.2 76.4 3:00p 49.8 8:00a 6.0 3.3 0.00 0.0 0.0 --- ---
5 64.5 77.6 3:00p 51.5 8:00a 4.2 3.8 0.00 0.0 4.0 2:00p SSE
6 66.8 78.1 4:00p 55.6 7:00a 2.9 4.7 0.00 0.0 0.0 --- ---
7 69.0 76.7 1:30p 60.5 6:30a 1.0 5.0 0.02 0.0 0.0 --- ---
8 63.8 70.5 11:00a 50.4 12:00m 2.4 1.2 0.18 0.0 0.0 --- ---
9 52.7 60.9 4:00p 44.6 8:00a 12.3 0.0 0.00 0.0 5.0 4:00p NNE
10 52.4 61.2 2:30p 43.0 8:00a 12.6 0.0 0.00 0.0 7.0 1:00p SE
11 57.6 68.2 3:00p 45.9 6:30a 7.9 0.5 0.00 0.0 2.0 9:30p NNW
12 61.3 65.7 2:30p 56.5 12:00m 3.7 0.0 0.05 0.0 12.0 1:00p N
13 57.1 60.4 1:00p 54.4 11:30p 7.9 0.0 0.06 0.0 6.0 10:30a NNW
14 57.9 63.7 5:00p 53.9 6:00a 7.1 0.0 0.07 0.0 8.0 1:00p N
15 59.2 70.5 2:30p 51.3 5:00a 6.8 1.0 0.00 0.0 0.0 --- ---
16 51.4 61.0 3:00p 42.3 7:30a 13.6 0.0 0.00 0.0 0.0 --- ---
17 50.2 63.0 4:00p 39.4 8:30a 14.8 0.0 0.00 0.0 0.0 --- ---
18 56.5 71.3 4:30p 44.7 3:30a 9.4 1.0 0.00 0.0 0.0 --- ---
19 62.2 72.7 2:00p 53.0 7:30a 5.0 2.2 0.36 0.8 15.0 3:00p SSE
20 55.1 64.2 3:00p 44.9 12:00m 9.9 0.0 0.12 1.6 15.0 12:00p NW
21 54.5 68.8 4:00p 40.9 8:00a 11.0 0.5 0.16 0.1 8.0 11:00a SSE
22 55.1 62.3 2:00p 48.7 7:30a 9.9 0.0 0.00 0.3 12.0 12:00p NW
23 51.9 59.2 1:30p 44.2 12:00m 13.1 0.0 0.00 0.7 13.0 2:30p NW
24 46.6 57.1 1:30p 37.6 8:00a 18.5 0.0 0.00 0.4 11.0 11:30a NW
25 47.1 57.5 4:00p 36.2 8:30a 17.9 0.0 0.00 0.0 4.0 10:30a NW
26 48.0 60.0 3:30p 36.1 8:00a 17.1 0.0 0.00 0.0 5.0 2:30p NW
27 47.5 58.4 3:00p 36.5 7:30a 17.5 0.0 0.00 0.0 8.0 2:30p SE
28
29
30
31
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56.7 78.1 6 36.1 26 250.4 25.9 1.02 0.1 15.0 19 NW
Max >= 90.0: 0
Max <= 32.0: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 0.36 ON 10/19/25
Days of Rain: 8 (>.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 71.8 55.8 63.3 1.3 124 71 84.9 16 45.0 10 0 0 0 0
25 6 82.7 65.1 73.3 2.8 25 275 95.1 24 45.2 2 5 0 0 0
25 7 87.0 70.7 77.8 2.8 1 397 92.6 25 62.2 5 5 0 0 0
25 8 79.7 62.2 70.2 -2.8 38 197 91.2 17 49.5 30 1 0 0 0
25 9 77.2 59.7 67.6 1.1 48 125 85.7 6 49.0 8 0 0 0 0
25 10 66.1 46.8 56.4 1.4 267 26 78.1 6 36.1 26 0 0 0 0
25 11
25 12
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67.3 49.7 58.1 1.6 3246 1169 95.1 JUN 3.1 JAN 11 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 8.37 3.66 1.30 28 16 14 2
25 6 4.89 1.05 2.22 18 11 7 1
25 7 9.70 5.67 2.66 1 11 9 3
25 8 0.16 -3.74 0.09 20 3 0 0
25 9 2.98 -1.19 0.78 17 11 6 0
25 10 1.02 -2.47 0.36 19 8 4 0
25 11
25 12
---------------------------------------------
33.12 -5.07 2.66 JUL 87 56 6
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 0.1 16.0 16 NW
25 6 0.0 10.0 19 NW
25 7 0.0 18.0 1 SSE
25 8 0.0 9.0 2 NW
25 9 0.0 10.0 6 NW
25 10 0.1 15.0 19 NW
25 11
25 12
---------------------------------
0.9 33.0 FEB NW
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