MONTHLY CLIMATOLOGICAL SUMMARY for JUL. 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 73.8 82.5 1:00p 70.3 6:00a 0.0 8.8 0.53 0.1 10.0 3:00p NNW
2 71.0 78.5 3:30p 63.9 12:00m 0.0 6.0 0.04 0.2 7.0 4:00p WNW
3 67.2 76.4 6:00p 59.5 6:30a 1.6 3.7 0.39 0.3 8.0 12:30p NW
4 70.5 82.2 4:00p 59.1 6:00a 1.5 7.0 0.01 0.0 4.0 1:30p NW
5 75.5 85.3 5:00p 64.2 6:00a 0.0 10.5 0.00 0.0 5.0 2:00p ESE
6 80.8 91.7 2:30p 69.1 5:30a 0.0 15.8 0.00 0.1 5.0 4:00p ESE
7 81.3 91.9 3:00p 73.1 7:00a 0.0 16.3 0.00 0.0 5.0 1:30p W
8 76.0 85.6 12:30p 70.4 12:00m 0.0 11.0 0.16 0.1 7.0 3:00p S
9 75.5 87.0 3:00p 68.4 6:30a 0.0 10.5 0.03 0.0 6.0 11:30a WSW
10 72.8 80.2 3:30p 65.6 7:00a 0.0 7.8 0.01 0.1 7.0 9:00a NW
11 79.1 88.0 4:00p 70.8 3:30a 0.0 14.1 0.00 0.3 7.0 12:30p SSE
12 80.1 90.6 2:30p 72.7 7:00p 0.0 15.1 0.63 0.0 8.0 7:00p S
13 81.3 90.6 3:30p 73.2 5:30a 0.0 16.3 0.00 0.1 7.0 6:30p S
14 80.1 88.6 12:30p 72.3 7:00a 0.0 15.1 0.00 0.0 4.0 10:30a WNW
15 79.1 89.1 3:00p 69.5 6:30a 0.0 14.1 0.00 0.0 3.0 1:30p W
16 81.1 91.1 2:30p 70.9 7:00a 0.0 16.1 0.00 0.0 4.0 10:30a ENE
17 77.5 90.4 1:00p 71.1 12:00m 0.0 12.5 0.67 0.1 8.0 8:00p SE
18 72.1 76.6 1:00p 66.9 8:00a 0.0 7.1 0.00 0.4 9.0 11:00a WNW
19 74.0 84.6 3:00p 64.8 7:00a 0.0 9.0 0.00 0.0 4.0 2:30p WSW
20 76.0 87.0 3:00p 66.9 6:30a 0.0 11.0 0.00 0.0 3.0 11:30a NW
21 74.3 86.4 3:00p 67.4 12:00m 0.0 9.3 0.12 0.2 9.0 3:00p N
22 69.1 78.7 4:00p 60.1 7:00a 1.0 5.1 0.00 0.1 7.0 1:30p NW
23 69.9 81.1 3:00p 61.2 5:00a 1.1 6.0 0.00 0.0 6.0 1:00p WNW
24 72.6 83.0 3:00p 61.1 6:30a 0.8 8.5 0.00 0.1 6.0 1:00p SSE
25 78.6 86.5 4:00p 71.7 6:00a 0.0 13.6 0.00 0.0 4.0 11:30a S
26 78.0 89.6 4:00p 71.5 7:00a 0.0 13.0 0.14 0.0 5.0 3:00p NW
27
28
29
30
31
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75.7 91.9 7 59.1 4 6.0 283.3 2.73 0.1 10.0 1 NW
Max >= 90.0: 6
Max <= 32.0: 0
Min <= 32.0: 0
Min <= 0.0: 0
Max Rain: 0.67 ON 07/17/21
Days of Rain: 9 (>.01 in) 7 (>.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 66.9 44.3 55.4 1.4 330 41 86.9 28 25.7 3 0 0 2 0
21 5 73.2 51.1 61.7 -2.3 198 96 89.4 23 39.6 8 0 0 0 0
21 6 82.6 64.3 73.0 0.0 27 268 92.9 30 49.7 23 5 0 0 0
21 7 85.5 67.5 75.7 -1.3 6 283 91.9 7 59.1 4 6 0 0 0
21 8
21 9
21 10
21 11
21 12
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63.9 46.0 54.7 0.6 2717 699 92.9 JUN 18.3 FEB 11 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 1.82 -1.68 0.37 11 8 6 0
21 5 3.33 -0.37 1.08 28 11 8 1
21 6 4.23 0.53 1.36 14 9 7 1
21 7 2.73 -1.17 0.67 17 9 7 0
21 8
21 9
21 10
21 11
21 12
---------------------------------------------
21.37 -2.83 1.37 MAR 63 49 4
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
21 9
21 10
21 11
21 12
---------------------------------
1.4 23.0 JAN WNW
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