MONTHLY CLIMATOLOGICAL SUMMARY for JUN. 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 64.9 76.5 1:00p 51.1 6:30a 4.3 4.1 0.00 0.1 9.0 10:30p SSE
2 61.9 73.6 3:00p 49.4 7:00a 5.5 2.4 0.00 0.0 8.0 5:00p WSW
3 65.5 80.2 3:30p 50.1 6:30a 5.0 5.4 0.00 0.0 6.0 3:00p NW
4 69.7 85.9 3:00p 53.1 6:30a 3.4 8.2 0.00 0.0 5.0 12:00p SSE
5 72.3 86.8 3:30p 56.4 6:30a 2.2 9.5 0.00 0.0 5.0 4:30p NW
6 71.7 84.2 3:00p 60.8 6:30a 0.6 7.3 0.16 0.1 15.0 6:30p SSW
7 74.6 86.5 3:30p 65.4 6:30a 0.0 9.6 0.06 0.1 7.0 10:30a NW
8 68.2 73.3 2:30p 61.2 6:30a 0.5 3.7 0.00 0.1 7.0 2:00p S
9 69.5 78.4 3:30p 60.6 7:00a 1.1 5.6 0.00 0.0 4.0 1:00p SSE
10 73.2 84.6 2:30p 67.8 8:00a 0.0 8.2 0.95 0.1 13.0 4:00p SSW
11 79.2 90.3 3:30p 70.9 11:30p 0.0 14.2 0.02 0.1 15.0 8:30p NW
12 79.6 91.8 3:30p 68.1 6:30a 0.0 14.6 0.00 0.0 9.0 2:30p NW
13 75.9 84.5 3:30p 65.9 6:30a 0.0 10.9 0.00 0.0 6.0 10:30a WNW
14 76.0 86.5 2:00p 64.2 5:00a 0.0 11.0 0.32 0.0 7.0 1:30p SSW
15 68.6 74.9 4:00p 60.4 12:00m 0.4 4.1 0.00 0.1 9.0 9:00a NW
16 65.0 74.6 4:00p 51.7 6:30a 3.6 3.5 0.00 0.0 4.0 11:00a SE
17 73.0 82.4 3:00p 60.8 6:00a 0.7 8.7 0.00 0.0 4.0 11:30a SSW
18 74.9 82.8 3:30p 68.5 9:00a 0.0 9.9 0.08 0.3 15.0 2:00p SSW
19 73.3 79.3 2:30p 66.1 12:00m 0.0 8.3 0.00 0.1 9.0 4:00p NW
20 70.9 81.7 3:00p 59.1 6:00a 1.1 6.9 0.00 0.0 9.0 11:00a NW
21 71.5 80.5 2:30p 61.2 4:30a 0.6 7.0 0.00 0.0 5.0 11:30a NW
22 74.5 85.7 4:30p 63.7 1:30a 0.1 9.6 0.04 0.0 6.0 9:00a WSW
23 67.4 71.1 12:30a 61.2 12:00m 0.3 2.7 0.65 0.0 4.0 3:00p NNW
24 68.3 80.1 3:30p 55.8 6:30a 2.4 5.6 0.00 0.0 4.0 12:00p WNW
25 71.7 81.8 5:30p 58.3 5:30a 1.6 8.3 0.00 0.0 6.0 2:00p SSE
26 75.6 84.5 3:30p 68.1 6:30a 0.0 10.6 0.00 0.0 2.0 4:00a SSW
27 72.7 78.4 3:30p 69.6 8:30a 0.0 7.7 0.23 0.0 2.0 7:00a NW
28 71.5 76.5 5:30p 69.0 12:00m 0.0 6.5 0.13 0.0 4.0 7:00a SSE
29 75.4 85.6 3:30p 68.0 4:30a 0.0 10.4 0.00 0.0 6.0 3:30p SSW
30 76.9 86.7 3:30p 65.0 6:30a 0.0 11.9 0.00 0.0 5.0 1:00p S
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71.8 91.8 12 49.4 2 33.4 236.4 2.64 0.0 15.0 6 NW
Max >= 90.0: 2
Max <= 32.0: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 0.95 ON 06/10/26
Days of Rain: 10 (>.01 in) 6 (>.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
26 8
26 9
26 10
26 11
26 12
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60.5 41.0 50.7 1.5 3034 438 93.6 MAY 2.8 JAN 5 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
26 8
26 9
26 10
26 11
26 12
---------------------------------------------
17.08 -5.52 1.88 MAR 55 37 3
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
26 8
26 9
26 10
26 11
26 12
---------------------------------
1.1 31.0 MAR NW
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