Portsmouth Rhode Island Weather Almanac
Friday, March 1, 2019
Mostly Cloudy early then Cloudy, Light Winds and Continued Cold
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    March 1, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   35   60   42   -7   60   in 2018   26   in 1980  
Minimum Temperature   20   39   27   -7   46   in 2017   7   in 1897  
Average Temperature   28   50   34   -6   50   in 2018   17   in 1980  
Precipitation   .00   .03   .14   -.14   1.77   in 1987            
One Hour   .00   .03           .45   in 1987            
Snow   0.0   0.0   0.3   -0.3   9.3   in 1959            
Snow Depth   1   0           16   in 2015            
HDD   37   15   30   +7   48   in 1980   15   in 2018  
CDD   0   0   0   +0   0   in              
Maximum Dew Point   26   43   31   -5   51   in 2017   -8   in 1980  
Minimum Dew Point   9   36   15   -6   44   in 2017   -15   in 1980  
Average  Dew Point   18   40   23   -5   48   in 2017   -12   in 1980  
Maximum Humidity   79%   89%   84%   -5%   100%   in 2017   35%   in 1980  
Minimum Humidity   41%   49%   50%   -9%   92%   in 2012   21%   in 1988  
Average Humidity   60%   69%   67%   -7%   95%   in 2012   29%   in 1980  
Maximum Barometer   30.41   29.88   30.12   +00.29   30.74   in 1934   29.39   in 2005  
Minimum Barometer   30.22   29.64   29.76   +00.46   30.34   in 1994   28.93   in 1966  
Average Barometer   30.32   29.76   29.94   +00.38   30.41   in 1994   29.28   in 1999  
Average Wind   4.3   6.0   8.3   -4.0   15.9   in 1968   2.6   in 2015  
Direction   SSE   S   WNW       NNW         S        
High Wind Gust   13   23   26   -13   52   in 1941   12   in 1998  
Direction   SSE   ENE   WNW       NE         E        
High Heat Index                                      
Wind Chill   15   35   16   -1             -10   in 1980  
Maximum Water Temp   34.9   39.7   39.1   -4.2   43.4   in 2012   31.7   in 2015  
Minimum Water Temp   33.1   37.2   37.2   -4.1   42.1   in 2012   30.3   in 2015  
Average Water Temp   34.0   38.5   38.1   -4.1   42.8   in 2012   31.0   in 2015  
Sunrise/ AM Twilight   6:18:38 AM   5:50:57 AM            
Sunset / PM Twilight   5:36:14 PM   6:03:55 PM            
Length Of Day   11:17:36                          
Special Conditions   None                                  
Comments      
    March 1, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   35.0   60.0   42.0   -7.0   60.0   in 2018   26.0   in 1980  
Avg Minimum Temperature   20.0   39.0   27.0   -7.0   46.0   in 2017   7.0   in 1897  
Average Temperature   28.0   50.0   34.0   -6.0   50.0   in 2018   17.0   in 1980  
Total Precipitation   .00   .03   .14   -.14   1.77   in 1987   .00   in 2019  
Total Snow   0.0   0.0   0.3   -0.3   9.3   in 1959   0.0   in 2016  
Total HDD   37   15   30   +7   48   in 1980   15   in 2018  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   26.0   43.0   30.7   -4.7   51.0   in 2017   -8.0   in 1980  
Avg Minimum Dew Point   9.0   36.0   15.2   -6.2   44.0   in 2017   -15.0   in 1980  
Average  Dew Point   18.0   40.0   23.0   -5.0   48.0   in 2017   -11.5   in 1980  
    March 1, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   9.11   11.00   7.34   +1.77   17.40   in 1979   2.65   in 1980  
Total Snow (since Jul 1 18)   11.3   30.4   26.0   -14.7   67.6   in 2005   4.7   in 1998  
Total HDD (since Jul 1 18)   3925   3660   3981   -56   4849   in 1918   3193   in 2016  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
                             
Hour-by-Hour Weather For March 1, 2019  
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Hourly Weather For Portsmouth Rhode Island   Friday, March 1, 2019
Mostly Cloudy early then Cloudy, Light Winds and Continued Cold
  Temperature Hour   24hr       Dew Point Wind Gust   Liquid   Wind   Special Conditions  
Time Avg   Hi   Lo   Diff   Diff   Humid   Avg   Hi   Lo   Speed     Dir Hi     Dir Barometer   Liq   Rate   Chill   Sky Wea F X H TS I Z Time
1 AM 22.4   23   20   -13.1   +1.0   75%   15.7   16   15   2     NNE 4     NNE 30.31   ↗           21.4   C               1 AM  
2 AM 23.4   24   23   +1.0   +2.1   69%   14.6   15   14   3     NNE 6     NNE 30.31   →           19.2   C               2 AM -
3 AM 23.5   24   23   +0.1   +2.5   66%   13.8   14   13   4     NNE 7     NNE 30.32   ↗           18.1   P               3 AM -
4 AM 22.4   23   22   -1.1   +1.3   57%   9.4   10   9   5     NNE 9     NNE 30.32   →           15.3   M               4 AM -
5 AM 22.9   23   22   +0.5   +1.2   58%   10.1   10   10   5     N 9     N 30.34   ↗           16.7   M               5 AM -
6 AM 23.8   24   23   +0.9   +1.7   56%   10.2   10   10   5     N 10     N 30.35   ↗           17.4   O               6 AM -
7 AM 24.1   24   24   +0.3   +1.6   60%   12.2   12   12   3     WNW 6     WNW 30.38   ↗           20.3   O               7 AM -
8 AM 25.7   26   24   +1.6   +2.6   57%   12.3   13   11   3     NNE 5     NNE 30.39   ↗           21.6   O               8 AM -
9 AM 27.7   28   26   +2.0   +4.5   54%   13.2   13   13   3     N 6     N 30.41   ↑           24.7   O               9 AM -
10 AM 29.6   30   28   +2.0   +5.4   49%   12.8   13   13   1     NW 3     NW 30.40   ↗           29.4   M               10 AM -
11 AM 30.4   31   30   +0.8   +4.4   51%   14.1   14   14   4     WNW 6     WNW 30.39   →           25.7   O               11 AM -
12 N 32.5   33   31   +2.1   +5.4   45%   13.2   14   12   3     E 5     ESE 30.37   ↘           30.0   O               12 N -
1 PM 34.5   35   33   +2.0   +6.8   43%   14.2   16   13   1     SSE 3     SSE 30.36   ↘           34.0   O               1 PM -
2 PM 34.8   35   34   +0.3   +5.7   51%   18.5   19   18   6     SSE 11     SSE 30.35   ↘           29.1   O               2 PM -
3 PM 34.7   35   34   -0.1   +4.9   54%   19.7   20   19   5     SSE 10     SSE 30.34   ↘           30.1   O               3 PM -
4 PM 34.3   35   34   -0.4   +4.8   57%   20.4   21   20   7     SSE 13     SSE 30.34   ↘           27.9   O               4 PM -
5 PM 32.9   34   33   -1.5   +3.9   66%   22.7   23   22   7     SSE 13     SSE 30.32   ↘           26.8   O               5 PM -
6 PM 31.9   33   32   -1.0   +4.5   71%   23.5   24   23   6     SSE 12     SSE 30.32   ↘           25.8   O               6 PM -
7 PM 31.9   32   32   +0.0   +5.8   75%   24.7   25   25   4     SE 8     SE 30.32   ↘           27.8   O               7 PM -
8 PM 32.2   32   32   +0.3   +7.0   78%   25.9   26   26   5     SE 9     SE 30.31   ↘           27.2   O               8 PM -
9 PM 32.1   32   32   -0.1   +8.7   79%   26.3   26   26   6     E 12     E 30.30   ↘           26.2   O               9 PM -
10 PM 32.0   32   32   -0.2   +9.4   79%   26.2   26   26   5     ENE 10     ENE 30.28   ↘           27.0   O               10 PM -
11 PM 32.1   32   32   +0.1   +9.9   79%   26.3   26   26   5     ENE 10     ENE 30.26   ↘           27.1   O               11 PM -
12 M 32.1   32   32   +0.1   +11.4   79%   26.3   26   26   5     ENE 11     ENE 30.22   ↓           27.2   O               12 M -
36 36 35 Hourly Weather Legend
Weather Summary For March 1, 2019
Climate Weather For March 1
Weather History For March 1
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