MONTHLY CLIMATOLOGICAL SUMMARY for MAR. 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 41.5 51.4 12:00p 30.1 11:00p 23.5 0.0 0.00 1.4 11.0 12:00p NNE
2 29.2 33.4 12:00p 26.4 7:00a 35.8 0.0 0.00 0.2 7.0 10:00a NE
3 33.2 40.1 12:00m 29.1 12:30a 31.8 0.0 0.40 0.1 5.0 9:00p SSW
4 44.8 48.2 3:00p 40.1 12:30a 20.2 0.0 0.04 0.0 4.0 12:30a SW
5 47.6 56.0 4:30p 43.4 7:30a 17.4 0.0 0.23 0.2 11.0 10:00p SE
6 44.5 48.2 12:30a 40.8 12:00m 20.5 0.0 0.01 0.3 7.0 10:00p ESE
7 45.6 57.0 5:30p 38.5 5:30a 19.4 0.0 0.02 0.8 8.0 2:30p SSE
8 60.4 71.1 5:30p 49.0 12:30a 5.8 1.4 0.00 1.0 13.0 4:30p W
9 58.8 74.6 5:00p 40.0 7:30a 8.4 2.2 0.00 0.7 11.0 2:00p SSW
10 63.5 82.0 5:00p 44.2 7:00a 7.1 5.6 0.00 0.6 10.0 4:00p SSW
11 68.4 82.1 6:00p 59.0 8:00a 1.2 4.6 0.32 1.5 31.0 7:30p SSW
12 45.4 70.0 1:00a 32.4 12:00m 20.0 0.4 0.49 2.9 18.0 5:00a NW
13 40.6 52.3 5:30p 26.8 4:00a 24.4 0.0 0.00 3.6 24.0 5:00p SSW
14 49.6 57.3 5:00p 39.9 12:00m 15.4 0.0 0.00 3.2 18.0 10:00a NW
15 45.6 50.4 4:00p 39.6 1:00a 19.4 0.0 0.00 1.5 12.0 10:00a ESE
16 57.7 66.7 11:30a 34.4 11:30p 7.4 0.1 1.88 5.2 28.0 9:30p SSE
17 33.0 39.0 3:30p 27.3 12:00m 32.0 0.0 0.00 6.1 22.0 2:00a NW
18 30.2 38.7 5:00p 22.0 5:30a 34.8 0.0 0.00 0.8 12.0 3:30p NW
19 42.1 56.3 5:30p 33.0 12:30a 22.9 0.0 0.00 0.2 8.0 12:00p SSE
20 52.0 68.3 5:30p 36.4 7:00a 13.3 0.3 0.10 1.6 17.0 6:00p SSW
21 57.5 67.6 4:00p 47.0 8:00a 7.8 0.3 0.03 0.4 10.0 2:00a NNE
22 62.9 81.0 5:00p 44.5 7:30a 6.9 4.8 0.00 1.6 14.0 6:30p SSW
23 53.3 64.3 12:30a 39.0 12:00m 11.7 0.0 0.10 3.5 22.0 5:30p NNW
24 40.1 49.6 4:30p 29.8 7:30a 24.9 0.0 0.00 0.7 9.0 12:30a NW
25 47.0 58.0 5:00p 37.3 4:00a 18.0 0.0 0.00 1.8 17.0 2:30p SSE
26 64.1 79.1 4:30p 48.6 7:30a 6.1 5.2 0.00 3.1 16.0 5:00p SSW
27 53.0 73.2 12:30a 35.8 12:00m 13.0 0.9 0.17 0.7 11.0 11:00a NNE
28 39.1 49.5 4:00p 31.1 8:00a 25.9 0.0 0.00 2.3 15.0 11:00a NW
29 45.3 59.4 6:00p 28.0 4:30a 19.7 0.0 0.00 2.3 15.0 1:30p SSW
30 59.2 69.3 5:00p 49.8 10:00a 6.4 0.6 0.02 2.6 14.0 1:30p SSW
31
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48.5 82.1 11 22.0 18 521.1 26.4 3.81 1.7 31.0 11 SSW
Max >= 90.0: 0
Max <= 32.0: 0
Min <= 32.0: 9
Min <= 0.0: 0
Max Rain: 1.88 ON 03/16/26
Days of Rain: 12 (>.01 in) 6 (>.1 in) 1 (>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 59.8 37.4 48.5 5.5 521 26 82.1 11 22.0 18 0 0 9 0
26 4
26 5
26 6
26 7
26 8
26 9
26 10
26 11
26 12
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46.1 28.0 36.9 0.5 2530 26 82.1 MAR 2.8 JAN 0 15 52 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
26 5
26 6
26 7
26 8
26 9
26 10
26 11
26 12
---------------------------------------------
7.07 -3.47 1.88 MAR 25 15 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 1.7 31.0 11 SSW
26 4
26 5
26 6
26 7
26 8
26 9
26 10
26 11
26 12
---------------------------------
1.8 31.0 MAR NW
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