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 9/2017
                                        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    61.0  66.5   1:00am  57.2  11:32pm    4    0  0.00   0  12   4:01am NNW1021.8   82
2    58.4  60.6  11:37pm  56.6   2:35am    7    0  0.68   0  10   4:56pm SSW1021.2   97
3    64.6  74.0   3:30pm  59.0  11:51pm    2    2  0.03   0  16   2:36pm WNW1016.3   91
4    67.5  79.1   3:00pm  55.8   6:12am    3    5  0.00   0   5   2:24pm SSE1016.4   84
5    70.9  83.3   2:11pm  64.4   7:14am    0    6  1.66   0  19   4:48pm  SE1010.9   90
6    62.9  66.9   3:28am  59.2  11:55pm    3    0  0.55   0   4   7:38am  NW1013.0  100
7    60.6  69.6   3:02pm  53.8  11:57pm    5    1  0.00   0  12  10:47am WNW1016.6   88
8    59.6  72.7   2:07pm  50.9   5:22am    6    1  0.00   0  12   1:59pm WNW1022.7   86
9    57.2  67.5   2:51pm  49.9   7:24am    8    0  0.00   0   9  11:00am WNW1027.5   86
10   57.8  69.1   2:50pm  48.7   3:13am    8    1  0.00   0  10  10:55am  NW1030.2   86
11   60.3  71.2  12:58pm  51.0   7:11am    6    1  0.00   0   9  12:32pm SSE1026.8   85
12   64.1  75.3   2:35pm  56.4   5:15am    3    2  0.00   0   7  11:21am   S1018.5   84
13   67.6  74.0   4:48pm  61.8  12:02am    0    3  0.13   0   4   4:08pm  NE1013.7   96
14   69.2  78.0   2:14pm  63.6   1:36am    0    4  0.02   0   5  11:30am  SW1013.6   92
15   69.3  80.0   3:18pm  60.5   7:08am    1    5  0.00   0   5  12:40pm   W1018.9   90
16   70.1  80.5  12:05pm  62.4   7:31am    0    6  0.00   0   0  12:00am   N1021.4   92
17   69.7  80.5   3:38pm  63.5   4:13am    0    5  0.00   0   0  12:00am   N1021.1   95
18   68.9  73.5   3:18pm  65.5   3:43am    0    4  0.01   0   7  11:08am WSW1019.7   96
19   69.7  77.8   3:28pm  63.6   3:12am    0    5  0.00   0  12   1:55pm WNW1016.2   93
20   70.8  83.2   2:36pm  64.0  11:37pm    0    6  0.00   0   7  12:52pm WNW1015.3   88
21   70.1  82.1   1:51pm  61.5   7:13am    1    6  0.00   0   7  11:01am ESE1018.2   88
22   66.5  76.5  11:44am  63.9   6:52am    0    1  0.00   0   5  11:51am   N1019.0   98
---------------------------------------------------------------------------------------
TOT  65.3  83.3   9/5/17  48.7  9/10/17   58   64  3.08   0  19   9/5/17 WNW1019.1   90

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  84.5  67.2  74.7  -2.3     8   309  91.1  14  55.7   30    3    0    0    0
 17  8  79.3  63.0  70.4  -5.6    26   193  88.3  22  55.5   28    0    0    0    0
 17  9  73.3  57.8  64.3  -4.7    68    53  82.3   5  47.7   10    0    0    0    0
 17 10
 17 11
 17 12
------------------------------------------------------------------------------------
        68.3  50.4  58.8   0.4  2622   969  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  6.87   2.97  2.40   28   10   10    2
 17  8  3.55  -0.65  1.05   15    9    6    1
 17  9  3.08  -0.32  1.66    5    6    4    1
 17 10
 17 11
 17 12
---------------------------------------------
       31.05 -0.55  2.40  JUL   79   53    9

                                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   0.0   9.0   28   WNW
 17  9   0.0  10.0    5   WNW
 17 10
 17 11
 17 12
---------------------------------
         0.6  29.0  JAN  WNW
      
      

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