MONTHLY CLIMATOLOGICAL SUMMARY for OCT. 2021
NAME: 2021 CITY: Dayton STATE: MD
ELEV: 540 ft LAT: 39 14' 34" LONG: 76 59' 54"
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 56.1 68.1 3:00p 46.3 8:00a 9.2 0.3 0.00 0.0 6.0 12:00p NW
2 59.8 75.2 4:00p 48.4 8:00a 7.4 2.2 0.00 0.0 4.0 11:00a NNE
3 67.8 81.4 4:00p 54.4 4:30a 3.6 6.4 0.00 0.0 4.0 2:00p S
4 70.6 81.2 2:30p 65.0 9:30p 0.0 5.6 0.13 0.0 5.0 2:30p SSW
5 66.7 76.1 2:00p 60.5 5:30a 0.9 2.6 0.02 0.0 5.0 4:00p SSW
6 65.2 68.9 5:00p 63.2 8:30a 0.6 0.8 0.03 0.0 6.0 10:30a W
7 66.2 73.5 1:30p 61.9 7:30a 1.1 2.2 0.00 0.0 7.0 11:00a SSE
8 66.6 74.1 2:00p 60.1 6:30a 1.3 3.0 0.00 0.0 2.0 10:00a SE
9 65.4 71.3 3:00p 61.0 7:30a 1.1 1.5 0.00 0.0 6.0 12:30p W
10 64.9 69.2 3:00p 62.5 4:00a 1.0 1.0 0.02 0.0 6.0 6:00p WNW
11 63.2 67.3 3:00p 60.1 7:00a 2.2 0.4 0.00 0.0 3.0 1:30p WNW
12 63.1 68.9 3:30p 59.7 6:00a 2.4 0.6 0.01 0.0 1.0 4:30a NW
13 65.3 71.7 5:00p 61.2 12:00m 1.2 1.5 0.00 0.0 0.0 --- ---
14 64.8 75.5 2:30p 57.6 4:30a 2.9 2.6 0.00 0.0 4.0 2:30p NW
15 68.4 80.4 3:00p 58.2 4:30a 2.2 5.6 0.00 0.0 0.0 --- ---
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
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64.9 81.4 3 46.3 1 37.1 36.3 0.21 0.0 7.0 7 WNW
Max >= 90.0: 0
Max <= 32.0: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 0.13 ON 10/04/21
Days of Rain: 4 (>.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: 2021 CITY: Dayton STATE: MD
ELEV: 540 ft LAT: 39 14' 34" LONG: 76 59' 54"
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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21 1 42.2 28.8 35.1 1.9 927 0 53.5 2 19.4 30 0 2 22 0
21 2 40.9 28.5 34.5 -0.8 854 0 60.6 24 18.3 21 0 5 20 0
21 3 58.2 40.1 49.6 6.7 375 11 81.6 26 26.0 6 0 0 7 0
21 4 66.9 44.3 55.4 1.1 330 41 86.9 28 25.7 3 0 0 2 0
21 5 73.2 51.1 61.7 -2.4 198 96 89.4 23 39.6 8 0 0 0 0
21 6 82.6 64.3 73.0 0.2 27 268 92.9 30 49.7 23 5 0 0 0
21 7 85.5 67.4 75.6 -1.6 7 335 91.9 7 59.1 4 6 0 0 0
21 8 85.3 67.8 75.2 -0.5 6 323 94.3 13 58.5 5 7 0 0 0
21 9 77.2 58.6 67.5 -1.8 68 141 86.5 15 47.6 30 0 0 0 0
21 10 73.5 58.7 64.9 7.1 37 36 81.4 3 46.3 1 0 0 0 0
21 11
21 12
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68.5 50.7 59.1 1.0 2828 1251 94.3 AUG 18.3 FEB 18 7 51 0
PRECIPITATION (in)
DEP. MAX DAYS OF RAIN
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE .01 .1 1
---------------------------------------------
21 1 1.96 -1.34 1.19 1 6 4 1
21 2 4.31 1.31 0.74 18 14 12 0
21 3 2.99 -1.11 1.37 24 6 5 1
21 4 1.82 -1.68 0.37 11 8 6 0
21 5 3.33 -0.67 1.08 28 11 8 1
21 6 4.23 0.43 1.36 14 9 7 1
21 7 2.77 -1.53 0.67 17 10 7 0
21 8 5.92 2.22 2.54 13 9 8 1
21 9 6.30 1.70 1.87 1 9 6 3
21 10 0.21 -3.49 0.13 4 4 1 0
21 11
21 12
---------------------------------------------
33.84 -4.16 2.54 AUG 86 64 8
WIND SPEED (mph)
DOM
YR MO AVG. HI DATE DIR
---------------------------------
21 1 2.2 23.0 20 WNW
21 2 2.2 22.0 20 W
21 3 2.8 23.0 28 W
21 4 1.7 21.0 30 NW
21 5 0.4 15.0 5 NW
21 6 0.1 21.0 21 SSE
21 7 0.1 10.0 1 NW
21 8 0.1 25.0 13 SSE
21 9 0.2 14.0 23 NW
21 10 0.0 7.0 7 WNW
21 11
21 12
---------------------------------
1.0 25.0 AUG WNW
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