MONTHLY CLIMATOLOGICAL SUMMARY for OCT. 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 69.2 80.3 3:00p 61.0 8:00a 1.1 5.2 0.00 0.0 3.0 12:30p NNW
2 70.3 83.4 4:00p 59.2 8:00a 1.1 6.4 0.07 0.0 5.0 7:00p WSW
3 60.6 67.4 12:30a 55.7 6:30a 4.5 0.2 0.12 0.0 3.0 1:30p SW
4
5
6
7
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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66.7 83.4 2 55.7 3 6.7 11.8 0.19 0.0 5.0 2 SW
Max >= 90.0: 0
Max <= 32.0: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 0.12 ON 10/03/26
Days of Rain: 2 (>.01 in) 1 (>.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 69.7 46.8 58.2 5.7 281 76 88.1 16 28.4 8 0 0 3 0
26 5 71.7 51.9 61.9 -0.1 189 92 93.6 19 37.6 1 3 0 0 0
26 6 81.7 61.7 71.8 1.3 33 236 91.8 12 49.4 2 2 0 0 0
26 7 85.3 67.6 75.9 0.9 4 340 97.2 4 57.6 24 7 0 0 0
26 8 83.1 66.9 74.1 1.1 8 289 89.7 7 56.3 25 0 0 0 0
26 9 76.4 61.9 69.4 2.9 35 154 90.0 1 48.0 25 1 0 0 0
26 10 77.0 58.6 66.7 11.7 7 12 83.4 2 55.7 3 0 0 0 0
26 11
26 12
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67.7 49.3 58.3 2.6 3088 1234 97.2 JUL 2.8 JAN 13 15 55 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 2.02 -1.49 0.64 29 8 6 0
26 5 5.35 0.64 1.51 23 12 10 2
26 6 2.64 -1.20 0.95 10 10 6 0
26 7 11.56 7.53 3.56 5 10 9 4
26 8 4.30 0.40 1.03 10 12 8 1
26 9 2.35 -1.82 0.83 17 9 6 0
26 10 0.19 -3.30 0.12 3 2 1 0
26 11
26 12
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35.48 -2.71 3.56 JUL 88 61 8
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 0.9 19.0 7 NW
26 5 0.2 15.0 20 NW
26 6 0.0 15.0 6 NW
26 7 0.0 25.0 28 NW
26 8 0.0 19.0 10 NW
26 9 0.0 12.0 2 NW
26 10 0.0 5.0 2 SW
26 11
26 12
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0.7 31.0 MAR NW
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