Dayton, Maryland Weather

24th Year of Service to the Local Community
Lat 39.24°N, Long 76.99°W, Elev 540ft (168m)

2021 Weather Summary


Month (as of 11:59:59PM)



Year-to-Date


      
	                     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
------------------------------------------------------------------------------------
 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
-------------------------------------------------------------------------------------
    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
  
      
      
      
     
                                  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 
------------------------------------------------------------------------------------
 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
------------------------------------------------------------------------------------
        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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