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