Dayton, Maryland Weather
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20th Year of Service to the Local Community
Lat 39.24°N, Long 76.99°W, Elev 540ft (165m)

2017 Weather Summary


This Month



Year-to-Date


      
	                    MONTHLY CLIMATOLOGICAL SUMMARY FOR 7/2017
                                        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    78.6  88.4   2:31pm  73.6  11:39pm    0   13  0.26   0  18   3:32pm  SE1014.2   87
2    77.8  88.2   3:08pm  68.9   6:37am    0   13  0.01   0   7   1:36pm WNW1017.0   83
3    77.2  88.6   2:43pm  67.6   6:17am    0   12  0.00   0  10  12:31pm   W1017.6   78
4    76.6  89.1   1:30pm  69.6   6:30am    0   11  0.01   0  16   6:17pm  SE1018.1   83
5    75.8  83.2   2:45pm  71.3   6:30am    0   10  0.12   0  14  11:00am  SE1020.7   87
6    72.9  75.8  12:59pm  71.3  12:00am    0    8  0.96   0  16   9:57am ESE1018.0   99
7    76.2  85.5   3:39pm  71.8   4:49am    0   11  0.19   0  14   9:33am WNW1011.1   89
8    74.3  84.7   1:51pm  67.1  11:55pm    0    9  0.00   0  21   7:15pm WNW1011.5   78
9    70.9  80.6   3:30pm  61.8   6:09am    1    6  0.00   0  12   4:04pm WNW1018.3   73
10   75.9  86.6   3:36pm  65.3   2:45am    0   11  0.00   0  12   1:09pm WSW1017.9   75
11   78.1  87.4   2:58pm  69.2   4:44am    0   13  0.00   0  12   3:23pm   W1015.9   80
12   78.3  87.4   1:30pm  71.7   6:27am    0   13  0.00   0  12  10:14am WNW1018.2   86
13   80.5  89.2   2:35pm  71.1   6:16am    0   15  0.00   0  12   5:00pm   W1017.8   85
14   79.6  92.1   3:01pm  74.1  11:55pm    0   15  0.00   0   7   1:43pm WNW1016.5   86
15   66.0  77.9  10:31am  62.3   6:00am    0    1  0.00   0   2  10:27am WSW1016.8   91
16   73.6  84.7   3:53pm  62.3   6:00am    0    9  0.00   0  12   3:25pm ESE1016.5   78
17   75.0  87.4  12:38pm  69.6   3:30am    0   10  0.28   0   9  12:35pm   E1017.3   92
18   77.4  89.2   2:42pm  71.3   6:08am    0   12  0.00   0   9   3:20pm  SE1019.2   90
19   79.6  91.5   2:45pm  70.3   6:41am    0   15  0.00   0   5   3:58pm   W1018.6   82
20   81.4  91.6   1:58pm  71.9   5:57am    0   16  0.00   0   5  12:54pm WNW1016.2   82
21   82.0  90.9   3:06pm  73.1   6:28am    0   17  0.00   0   7   1:41pm   E1014.3   80
22   77.1  90.4   1:19pm  71.8   3:33pm    0   12  0.25   0   9  12:58pm WNW1012.0   92
23   76.1  85.8  12:35pm  72.0  12:00am    0   10  0.94   0  10   1:56pm   W1009.5   96
---------------------------------------------------------------------------------------
TOT  77.0  92.1  7/14/17  61.8   7/9/17    1  263  3.02   0  21   7/8/17 WNW1016.2   84

HEAT BASE: 65.0
COOL BASE: 65.0

  
      
      
      
                                  ANNUAL CLIMATOLOGICAL SUMMARY

NAME: 2017  CITY: Dayton   STATE: Maryland  
ELEV:   585 ft  LAT:  39° 14' 34" N  LONG:  76° 59' 54" 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 
------------------------------------------------------------------------------------
 17  1  45.1  32.7  38.6   5.6   819     1  69.4  12  10.2    9    0    4   13    0
 17  2  55.6  34.7  44.8   8.8   575     9  76.3  23  17.8    4    0    0   14    0
 17  3  53.7  33.8  42.9  -1.1   692     8  79.2  25  16.6    5    0    1   15    0
 17  4  70.9  50.5  60.3   6.3   214    74  88.0  29  31.6    8    0    0    1    0
 17  5  70.9  52.8  61.6  -2.4   180    74  90.4  18  37.7    9    2    0    0    0
 17  6  82.0  62.3  72.0  -1.0    39   249  93.5  13  49.7    8    3    0    0    0
 17  7  86.1  68.5  76.0  -1.0     1   228  91.1  14  60.8    9    3    0    0    0
 17  8
 17  9
 17 10
 17 11
 17 12
------------------------------------------------------------------------------------
        65.4  47.0  55.7   2.2  2520   642  93.5 JUN  10.2  JAN    8    5   43    0

                                PRECIPITATION (in)

               DEP.   MAX        DAYS OF RAIN 
               FROM   OBS.          OVER
 YR MO  TOTAL  NORM   DAY  DATE .01   .1   1
---------------------------------------------
 17  1  2.12  -0.78  0.73    3   11    5    0
 17  2  0.72  -2.28  0.25   28    4    3    0
 17  3  3.32  -0.18  1.25   14   10    6    2
 17  4  3.05  -0.25  1.44    6    9    6    1
 17  5  6.89   3.19  2.01   25   16    9    2
 17  6  1.45  -2.25  0.85   19    4    4    0
 17  7  1.83  -2.07  0.96    6    5    5    0
 17  8
 17  9
 17 10
 17 11
 17 12
---------------------------------------------
       19.38 -4.62  2.01  MAY   59   38    5

                                WIND SPEED (mph)
                          DOM
 YR MO   AVG.  HI   DATE  DIR
---------------------------------
 17  1   1.1  29.0   26     W
 17  2   1.5  24.0   12   WNW
 17  3   1.8  26.0    1   WNW
 17  4   0.7  23.0    6    SE
 17  5   0.1  20.0    2   WNW
 17  6   0.0  12.0   23   WNW
 17  7   0.0  13.0    8   WNW
 17  8
 17  9
 17 10
 17 11
 17 12
---------------------------------
         0.8  29.0  JAN  WNW
      
      

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