Dayton, Maryland Weather

21st Year of Service to the Local Community
Lat 39.24°N, Long 76.99°W, Elev 540ft (165m)

2018 Weather Summary


This Month



Year-to-Date


      
	                    MONTHLY CLIMATOLOGICAL SUMMARY FOR 9/2018
                                        HEAT  COOL        
     MEAN                               DEG   DEG       WIND SPEED       DOM MEAN  MEAN
DAY  TEMP  HIGH   TIME     LOW   TIME   DAYS  DAYS RAIN AVG  HI  TIME    DIR BAROM HUM
---------------------------------------------------------------------------------------
1    75.4  81.7   3:12pm  71.1  12:00am    0   10  0.02   0   0  12:00am   N1024.2   89
2    77.7  86.7   2:47pm  72.3   6:55am    0   13  0.01   0   0  12:00am   N1023.9   84
3    79.7  90.4   3:00pm  72.6   6:33am    0   13  0.00   0   0  12:00am   N1024.7   85
4    80.3  93.0   2:18pm  72.8   6:47am    0   15  0.00   0   0  12:00am   N1024.1   82
5    80.2  91.9   2:02pm  72.1   6:31am    0   15  0.00   0   0  12:00am   N1023.4   81
6    80.1  91.4   3:12pm  71.9   6:47am    0   15  0.00   0   0  12:00am   N1021.2   81
7    75.7  85.2  12:52pm  70.5  11:05pm    0   11  1.46   0   0  12:00am   N1019.9   86
8    67.2  72.6   6:41am  60.7  11:56pm    1    3  0.56   0   0  12:00am   N1018.6   92
9    60.2  62.2   3:34pm  58.4   2:38am    5    0  1.86   0  25  11:53pm  NW1019.3   93
10   65.4  71.2   7:32pm  60.5  12:00am    2    2  0.11   0  20   2:22am ESE1018.6   93
11   69.5  72.1   3:16pm  67.6   6:28am    0    4  0.02   0   9  12:16am SSE1020.1   93
12   73.1  80.6   3:11pm  68.1   2:26am    0    8  0.25   0   4  11:52am NNE1022.8   91
13   74.6  78.9  12:22pm  72.1   6:19am    0    9  0.08   0   7  10:42am   W1022.9   91
14   72.7  74.7   4:25pm  71.1   7:57am    0    8  0.05   0   4  12:34am   W1021.7   92
15   72.7  80.7   2:00pm  67.8   7:27am    0    8  0.01   0   0  12:00am   N1022.0   91
16   71.2  79.4   2:46pm  65.9   4:46am    0    6  0.01   0  11   1:34pm   S1022.5   95
17   73.8  76.3   1:39pm  70.3   1:44am    0    9  0.76   0   0  12:00am   N1016.6  100
18   74.8  78.8   4:47pm  68.9  11:50pm    0    9  0.39   0   0  12:00am   N1009.6   98
19   72.6  81.5   2:11pm  65.9   6:37am    0    8  0.01   0   0  12:00am   N1014.2   91
20   65.9  68.8  12:00am  64.0   5:43am    0    0  0.00   0   0  12:00am   N1018.9  100
---------------------------------------------------------------------------------------
TOT  73.4  93.0   9/4/18  58.4   9/9/18    7  167  5.61   0  25   9/9/18   S1020.5   90

HEAT BASE: 65.0
COOL BASE: 65.0

  
      
      
      
                                  ANNUAL CLIMATOLOGICAL SUMMARY

NAME: 2018  CITY: Dayton   STATE: Maryland  
ELEV:   540 ft  LAT:  39° 12' 00" N  LONG:  77° 00' 00" W

               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 
------------------------------------------------------------------------------------
 18  1  41.5  23.4  32.3   0.8  1014     0  66.8  12   1.5    7    0    9   24    0
 18  2  50.2  33.3  41.5   7.0   666     8  78.7  21  12.3    3    0    0   14    0
 18  3  48.3  30.1  38.6  -4.4   821     3  72.1  29  22.9   11    0    0   24    0
 18  4  61.9  40.6  50.3  -2.2   465    24  84.1  14  28.7    8    0    0    6    0
 18  5  78.2  58.8  67.8   5.8    64   151  90.4   3  43.9    1    1    0    0    0
 18  6  79.6  62.3  70.5   0.0    36   202  90.6  18  51.5   12    1    0    0    0
 18  7  84.8  67.4  75.3   0.3     5   323  96.1   2  57.8    8    6    0    0    0
 18  8  84.7  68.9  75.4   2.4     5   329  91.9  28  57.1   24    5    0    0    0
 18  9  80.4  68.9  73.6   7.1     7   160  93.1   4  58.4    9    4    0    0    0
 18 10
 18 11
 18 12
------------------------------------------------------------------------------------
        67.3  49.7  57.8   1.9  3083  1199  96.1 JUL   1.5  JAN   17    9   68    0

                                PRECIPITATION (in)

               DEP.   MAX        DAYS OF RAIN 
               FROM   OBS.          OVER
 YR MO  TOTAL  NORM   DAY  DATE .01   .1   1
---------------------------------------------
 18  1  1.47  -1.95  0.59   12    6    4    0
 18  2  4.39   1.42  1.22    4   13    8    1
 18  3  2.37  -1.78  0.82   20    7    5    0
 18  4  3.27  -0.24  1.65   16    8    5    1
 18  5  6.57   1.86  0.86   15   15   12    0
 18  6  6.54   2.70  2.65    3   12    9    2
 18  7  9.57   5.54  3.68   21   13   11    2
 18  8  5.63   1.73  2.00   21   12    8    2
 18  9  5.60   1.43  1.86    9   11    7    2
 18 10
 18 11
 18 12
---------------------------------------------
       45.41 10.71  3.68  JUL   97   69   10

                                WIND SPEED (mph)
                          DOM
 YR MO   AVG.  HI   DATE  DIR
---------------------------------
 18  1   1.5  20.0    4   WNW
 18  2   0.6  18.0    2     S
 18  3   2.0  26.0    2    NW
 18  4   1.2  25.0    4   WNW
 18  5   0.0  12.0    3    SE
 18  6   0.0  16.0    5   WNW
 18  7   0.0  15.0   16    SE
 18  8   0.0  10.0    1   SSE
 18  9   0.0  12.0    9   ESE
 18 10
 18 11
 18 12
---------------------------------
         0.6  26.0  MAR  WNW
      
      

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