Middletown Rhode Island Weather Almanac
Monday, April 30, 2018
Partly Cloudy early then Cloudy, Light Rain, Much Colder
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2018  
    April 30, 2018     Record Record
Observed Daily Data   Observed   2017   Normal   Depart   Highest Lowest
Maximum Temperature   50   63   60   -10   83   in 1942   42   in 1909  
Minimum Temperature   40   46   44   -4   55   in 1974   29   in 1992  
Average Temperature   45   55   52   -7   66   in 1942   38   in 1909  
Precipitation   .01   .00   .14   -.13   2.00   in 1902            
One Hour   .01   .00           .36   in 2005            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           1   in 1909            
HDD   20   10   13   +7   27   in 1909   0   in 1974  
CDD   0   0   0   +0   1   in 1942            
Maximum Dew Point   42   48   47   -5   58   in 1994   28   in 1967  
Minimum Dew Point   34   36   34   +1   49   in 1974   9   in 1978  
Average  Dew Point   38   42   40   -2   52   in 1996   21   in 1978  
Maximum Humidity   86%   84%   86%   -0%   100%   in 2005   52%   in 1978  
Minimum Humidity   63%   43%   46%   +17%   97%   in 1990   17%   in 1957  
Average Humidity   75%   64%   66%   +8%   99%   in 1990   36%   in 1978  
Maximum Barometer   29.97   30.28   30.10   -00.13   30.71   in 1934   29.68   in 1978  
Minimum Barometer   29.89   30.05   29.86   +00.03   30.35   in 2006   29.25   in 1987  
Average Barometer   29.93   30.17   29.98   -00.05   30.39   in 2006   29.51   in 1987  
Average Wind   7.5   6.2   7.0   +0.5   16.3   in 1987   3.4   in 2013  
Direction   W   SSE   S       WNW         S        
High Wind Gust   19   23   23   -4   45   in 1963   14   in 2015  
Direction   W   SSE   S       SSE         SE        
High Heat Index                                      
Wind Chill   34   43   37   -3             21   in 1992  
Maximum Water Temp   47.1   47.3   51.0   -3.9   55.6   in 2012   45.1   in 2014  
Minimum Water Temp   45.1   44.4   47.8   -2.7   52.3   in 2007   43.7   in 2003  
Average Water Temp   46.1   45.9   49.4   -3.3   53.8   in 2012   44.7   in 2014  
Sunrise/ AM Twilight   5:43:AM   5:13:AM            
Sunset / PM Twilight   7:42:PM   8:12:PM            
Length Of Day   13:59                          
Special Conditions   None                                  
Comments      
    April 30, 2018     Record Record
Month-to-Date Summary   Observed   2017   Normal Depart Highest Lowest
 Avg Maximum Temperature   51.5   57.4   55.4   -3.9   61.1   in 1976   48.8   in 1907  
Avg Minimum Temperature   37.0   42.7   39.2   -2.2   43.0   in 2010   34.1   in 1943  
Average Temperature   44.2   50.1   47.3   -3.0   51.7   in 2010   42.0   in 1907  
Total Precipitation   4.42   6.17   4.54   -.12   11.94   in 1983   .78   in 1942  
Total Snow   3.6   T   1.0   +2.6   9.6   in 1996   0.0   in 2015  
Total HDD   617   441   526   +91   682   in 1907   392   in 2010  
Total CDD   0   0   0   +0   13   in 1976   0   in    
Avg Maximum Dew Point   41.6   47.6   42.0   -0.4   47.6   in 2017   34.3   in 1965  
Avg Minimum Dew Point   27.7   37.3   28.8   -1.1   37.3   in 2017   20.5   in 1982  
Average  Dew Point   34.7   42.4   35.4   -0.7   42.4   in 2017   28.9   in 1975  
    April 30, 2018     Record Record
Year-to-Date Summary   Observed   2017   Normal Depart Highest Lowest
Total Precipitation   20.81   16.19   16.91   +3.90   31.21   in 1983   7.53   in 1985  
Total Snow (since Jul 1 17)   45.6   41.4   31.8   +13.8   84.1   in 1996   5.0   in 1998  
Total HDD (since Jul 1 17)   5101   4780   5303   -202   6252   in 1904   4289   in 2012  
Total CDD (since Jan 1)   0   0   0   +0   13   in 1976   0   in    
                             
Hour-by-Hour Weather For April 30, 2018  
Climate Weather for April 30  
Weather History For April 30  
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