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