| Portsmouth Rhode Island Weather Almanac |
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| Friday, June
18, 2021 |
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| Clear to
Mostly Cloudy PM, Seasonal Temperatures |
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| Climate Normal
Period |
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Climate Record Period |
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| 1991- 2020 |
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1893 - 2021 |
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June 18, 2021 |
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Record |
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Record |
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| Observed Daily Data |
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2021 |
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2020 |
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Norm |
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Depart |
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Highest |
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Lowest |
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| Maximum Temperature |
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77 |
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75 |
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75 |
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+2 |
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91 |
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in |
1929 |
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58 |
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in |
1920 |
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| Minimum
Temperature |
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56 |
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60 |
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59 |
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-3 |
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68 |
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in |
1929 |
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45 |
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in |
1965 |
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| Average Temperature |
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67 |
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68 |
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67 |
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+0 |
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80 |
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in |
1929 |
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54 |
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in |
1920 |
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| Month Avg Max Temperature |
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76.2 |
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74.2 |
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72.0 |
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+4.2 |
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78.5 |
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in |
1925 |
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64.2 |
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in |
1907 |
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| Month Avg
Min Temperature |
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57.8 |
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55.6 |
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55.8 |
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+2.0 |
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59.4 |
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in |
1899 |
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49.1 |
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in |
1907 |
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| Month Average Temperature |
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67.3 |
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65.2 |
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64.0 |
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+3.3 |
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68.9 |
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in |
1925 |
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56.8 |
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in |
1907 |
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| HDD |
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0 |
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0 |
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1 |
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-1 |
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11 |
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in |
1920 |
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0 |
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in |
2021 |
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| Month HDD |
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16 |
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28 |
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41 |
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-25 |
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156 |
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in |
1907 |
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3 |
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in |
1899 |
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| Season HDD |
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5061 |
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5120 |
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5469 |
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-408 |
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6601 |
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in |
1905 |
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4545 |
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in |
2012 |
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| CDD |
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2 |
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3 |
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3 |
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-1 |
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15 |
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in |
1929 |
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0 |
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in |
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| Month CDD |
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58 |
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31 |
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31 |
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+27 |
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86 |
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in |
1925 |
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0 |
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in |
1965 |
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| Year CDD |
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75 |
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39 |
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42 |
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+36 |
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87 |
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in |
2001 |
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1 |
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in |
2003 |
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| Maximum Dew Point |
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59 |
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68 |
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64 |
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-5 |
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73 |
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in |
1994 |
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42 |
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in |
1950 |
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| Minimum
Dew Point |
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48 |
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59 |
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54 |
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-6 |
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65 |
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in |
1994 |
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32 |
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in |
1950 |
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| Average Dew Point |
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54 |
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64 |
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59 |
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-5 |
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69 |
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in |
1994 |
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37 |
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in |
1950 |
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| Month Avg Max Dew Point |
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64.2 |
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60.9 |
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61.1 |
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+3.1 |
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65.8 |
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in |
1996 |
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52.9 |
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in |
1965 |
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| Month Avg
Min Dew Point |
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53.2 |
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51.0 |
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51.2 |
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+2.0 |
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55.2 |
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in |
2005 |
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42.0 |
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in |
1958 |
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| Month Average Dew Point |
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58.7 |
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55.9 |
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56.0 |
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+2.7 |
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60.3 |
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in |
1996 |
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48.2 |
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in |
1965 |
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| Precipitation |
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.00 |
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.00 |
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.12 |
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-.12 |
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2.30 |
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in |
1922 |
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| One Hour |
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.00 |
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.00 |
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.23 |
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in |
2009 |
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| Hourly Rate |
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.00 |
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.00 |
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1.19 |
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in |
2004 |
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| Month Precipitation |
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.58 |
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1.16 |
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2.13 |
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-1.55 |
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8.66 |
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in |
1982 |
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T |
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in |
1949 |
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| Year Precipitation |
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17.58 |
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20.37 |
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21.17 |
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-3.59 |
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38.15 |
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in |
1998 |
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12.64 |
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in |
1957 |
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| Snow |
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0.0 |
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0.0 |
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##### |
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##### |
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0.0 |
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in |
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| Snow Depth |
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0 |
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0 |
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44000 |
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in |
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| Month Snow |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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#N/A |
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in |
#N/A |
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#N/A |
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in |
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| Season Snow |
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27.7 |
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12.9 |
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33.5 |
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-5.8 |
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84.1 |
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in |
1996 |
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5.0 |
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in |
1998 |
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June
18, 2021 |
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|
Record |
Record |
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| Observed Daily Data |
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2021 |
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2020 |
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Norm |
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Depart |
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Highest |
Lowest |
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| Maximum Humidity |
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85% |
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97% |
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92% |
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-7% |
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100% |
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in |
2017 |
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57% |
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in |
1956 |
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| Minimum
Humidity |
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38% |
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72% |
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57% |
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-19% |
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95% |
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in |
2017 |
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28% |
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in |
1950 |
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| Average Humidity |
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62% |
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85% |
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75% |
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-13% |
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98% |
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in |
2017 |
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45% |
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in |
1956 |
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| Maximum Barometer |
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30.03 |
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30.23 |
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30.07 |
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-00.04 |
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30.39 |
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in |
1954 |
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29.62 |
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in |
1952 |
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| Minimum
Barometer |
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29.88 |
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30.13 |
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29.86 |
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+00.02 |
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30.14 |
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in |
2012 |
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29.32 |
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in |
1985 |
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| Average Barometer |
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29.96 |
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30.18 |
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29.96 |
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-00.01 |
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30.25 |
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in |
1954 |
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29.57 |
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in |
1952 |
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| Average Wind |
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6.1 |
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4.5 |
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5.4 |
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+0.7 |
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10.2 |
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in |
1984 |
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1.8 |
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in |
1998 |
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| Direction |
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SW |
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SW |
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SSW |
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S |
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SSE |
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| High Wind Gust |
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24 |
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18 |
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21 |
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+3 |
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41 |
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in |
1909 |
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11 |
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in |
1998 |
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| Direction |
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SW |
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S |
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S |
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NW |
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SSE |
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| High Heat
Index |
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77 |
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77 |
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75 |
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+2 |
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90 |
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in |
1995 |
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| Low Wind Chill |
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44 |
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in |
1965 |
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| Maximum Water Temp |
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68.4 |
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62.1 |
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64.9 |
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+3.5 |
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69.4 |
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in |
2007 |
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60.7 |
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in |
2003 |
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| Minimum
Water Temp |
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65.1 |
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59.0 |
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61.1 |
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+4.0 |
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65.7 |
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in |
2007 |
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54.9 |
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in |
2005 |
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| Average Water Temp |
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66.8 |
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60.6 |
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63.0 |
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+3.7 |
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67.6 |
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in |
2007 |
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59.0 |
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in |
2005 |
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| Sunrise/ AM Twilight |
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5:11:10 AM |
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4:37:11 AM |
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| Sunset /
PM Twilight |
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8:22:07 PM |
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8:56:05 PM |
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| Length Of Day |
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15:10:57 |
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| Special Conditions |
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None |
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| Comments |
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| Hour-by-Hour Weather For Jun 18, 2021 |
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| Climate Weather for Jun 18 |
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| Weather History For Jun 18 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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