MONTHLY CLIMATOLOGICAL SUMMARY for APR. 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 40.9 54.4 12:30a 32.3 12:00m 24.1 0.0 0.30 5.0 16.0 1:30a NW
2 36.4 46.6 4:00p 28.3 7:00a 28.7 0.0 0.00 5.3 19.0 4:30p NW
3 40.4 54.2 3:00p 25.7 7:30a 24.6 0.0 0.00 1.1 10.0 3:00p NNW
4 56.0 71.7 3:00p 42.1 7:30a 10.2 1.2 0.00 2.3 13.0 4:00p NW
5 57.2 71.8 4:00p 38.6 7:00a 9.0 1.2 0.00 1.4 11.0 3:00p WNW
6 63.1 75.9 4:00p 50.6 7:30a 4.1 2.2 0.00 0.6 9.0 3:00p NW
7 65.2 81.7 3:30p 49.8 7:30a 4.3 4.5 0.00 0.9 9.0 4:00p ESE
8 60.5 71.0 3:00p 50.0 7:30a 5.5 1.0 0.00 2.5 12.0 3:00p SE
9 53.7 56.1 6:00p 51.0 5:00a 11.3 0.0 0.27 1.1 8.0 1:00a ESE
10 58.3 69.4 5:30p 52.4 7:00a 7.2 0.5 0.00 0.5 7.0 1:30p E
11 65.5 77.1 2:30p 58.3 2:30a 2.8 3.3 0.37 1.6 10.0 10:00a ESE
12 55.3 62.5 2:30p 48.9 11:30p 9.7 0.0 0.03 0.6 9.0 2:30p E
13 55.0 66.2 4:00p 48.3 5:30a 10.0 0.0 0.00 0.5 9.0 3:30p NNW
14 54.7 60.6 11:00a 47.8 5:00a 10.3 0.0 0.24 0.4 6.0 10:30a SSW
15 55.3 64.9 2:30p 44.7 11:30p 9.7 0.0 0.00 2.4 13.0 8:00p NW
16 49.6 58.9 3:30p 40.8 3:00a 15.4 0.0 0.00 3.3 14.0 3:30p WNW
17 49.1 58.0 2:30p 37.7 7:00a 15.9 0.0 0.00 0.9 8.0 1:00p NW
18
19
20
21
22
23
24
25
26
27
28
29
30
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53.9 81.7 7 25.7 3 202.8 13.9 1.21 1.8 19.0 2 NW
Max >= 90.0: 0
Max <= 32.0: 0
Min <= 32.0: 2
Min <= 0.0: 0
Max Rain: 0.37 ON 04/11/21
Days of Rain: 5 (>.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: 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 2.1 927 0 53.5 2 19.4 30 0 2 22 0
21 2 40.9 28.5 34.5 -1.5 854 0 60.6 24 18.3 21 0 5 20 0
21 3 58.2 40.1 49.6 5.6 375 11 81.6 26 26.0 6 0 0 7 0
21 4 64.8 44.0 53.9 -0.1 203 14 81.7 7 25.7 3 0 0 2 0
21 5
21 6
21 7
21 8
21 9
21 10
21 11
21 12
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50.1 34.4 42.1 1.5 2359 25 81.7 APR 18.3 FEB 0 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 -0.94 1.19 1 6 4 1
21 2 4.31 1.31 0.74 18 14 12 0
21 3 2.99 -0.51 1.37 24 6 5 1
21 4 1.21 -2.29 0.37 11 5 4 0
21 5
21 6
21 7
21 8
21 9
21 10
21 11
21 12
---------------------------------------------
10.47 -2.43 1.37 MAR 31 25 2
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 1.8 19.0 2 NW
21 5
21 6
21 7
21 8
21 9
21 10
21 11
21 12
---------------------------------
2.3 23.0 JAN WNW
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