| Portsmouth Rhode Island Weather Almanac |
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| Thursday, June
17, 2021 |
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| Clear and
Cooler |
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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 17, 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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75 |
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77 |
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74 |
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+1 |
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91 |
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in |
1894 |
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58 |
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in |
1959 |
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| Minimum
Temperature |
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53 |
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52 |
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58 |
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-5 |
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68 |
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in |
1957 |
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44 |
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in |
1954 |
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| Average Temperature |
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64 |
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65 |
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66 |
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-2 |
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79 |
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in |
1957 |
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53 |
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in |
2003 |
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| Month Avg Max Temperature |
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76.2 |
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74.1 |
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71.8 |
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+4.4 |
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78.4 |
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in |
1925 |
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63.7 |
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in |
1907 |
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| Month Avg
Min Temperature |
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57.9 |
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55.3 |
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55.6 |
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+2.3 |
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59.5 |
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in |
2008 |
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48.4 |
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in |
1907 |
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| Month Average Temperature |
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67.4 |
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65.0 |
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63.8 |
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+3.5 |
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68.8 |
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in |
1925 |
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56.2 |
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in |
1907 |
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| HDD |
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1 |
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0 |
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1 |
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+0 |
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12 |
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in |
2003 |
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0 |
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in |
2020 |
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| Month HDD |
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16 |
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28 |
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40 |
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-24 |
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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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5468 |
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-407 |
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6601 |
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in |
1905 |
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4538 |
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in |
2012 |
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| CDD |
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0 |
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0 |
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3 |
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-3 |
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14 |
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in |
1957 |
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0 |
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in |
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| Month CDD |
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56 |
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28 |
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28 |
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+28 |
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81 |
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in |
1984 |
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0 |
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in |
1965 |
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| Year CDD |
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73 |
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36 |
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39 |
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+37 |
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86 |
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in |
1991 |
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0 |
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in |
1916 |
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| Maximum Dew Point |
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54 |
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62 |
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63 |
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-9 |
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73 |
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in |
2004 |
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42 |
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in |
1964 |
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| Minimum
Dew Point |
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44 |
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50 |
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54 |
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-10 |
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65 |
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in |
2001 |
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36 |
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in |
1965 |
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| Average Dew Point |
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49 |
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56 |
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58 |
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-9 |
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68 |
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in |
2001 |
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39 |
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in |
1964 |
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| Month Avg Max Dew Point |
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64.5 |
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60.5 |
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60.9 |
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+3.6 |
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65.8 |
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in |
1996 |
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52.3 |
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in |
1988 |
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| Month Avg
Min Dew Point |
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53.5 |
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50.5 |
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51.0 |
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+2.5 |
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55.4 |
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in |
2005 |
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42.3 |
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in |
1958 |
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| Month Average Dew Point |
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59.0 |
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55.5 |
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55.8 |
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+3.1 |
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60.2 |
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in |
1996 |
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48.3 |
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in |
1988 |
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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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2.41 |
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in |
2001 |
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| One Hour |
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.00 |
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.00 |
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1.08 |
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in |
2001 |
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| Hourly Rate |
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.00 |
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.00 |
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3.43 |
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in |
2011 |
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| Month Precipitation |
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.58 |
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1.16 |
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2.01 |
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-1.43 |
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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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21.05 |
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-3.47 |
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38.11 |
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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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43999 |
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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
17, 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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80% |
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94% |
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93% |
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-13% |
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100% |
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in |
2017 |
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57% |
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in |
1964 |
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| Minimum
Humidity |
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34% |
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51% |
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57% |
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-23% |
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93% |
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in |
1974 |
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28% |
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in |
1987 |
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| Average Humidity |
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57% |
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73% |
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75% |
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-18% |
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96% |
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in |
1974 |
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44% |
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in |
1964 |
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| Maximum Barometer |
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29.99 |
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30.31 |
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30.05 |
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-00.06 |
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30.42 |
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in |
1978 |
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29.73 |
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in |
2008 |
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| Minimum
Barometer |
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29.90 |
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30.21 |
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29.85 |
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+00.05 |
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30.23 |
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in |
1954 |
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29.48 |
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in |
1958 |
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| Average Barometer |
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29.95 |
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30.26 |
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29.95 |
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-00.01 |
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30.32 |
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in |
1978 |
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29.63 |
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in |
1958 |
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| Average Wind |
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5.5 |
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3.6 |
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5.7 |
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-0.2 |
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12.7 |
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in |
1986 |
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1.2 |
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in |
1996 |
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| Direction |
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NW |
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S |
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S |
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WNW |
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SE |
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| High Wind Gust |
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22 |
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18 |
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21 |
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+1 |
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35 |
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in |
1964 |
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10 |
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in |
2004 |
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| Direction |
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S |
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S |
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S |
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W |
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ESE |
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| High Heat
Index |
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74 |
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78 |
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75 |
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-1 |
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91 |
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in |
1962 |
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| Low Wind Chill |
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43 |
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in |
1954 |
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| Maximum Water Temp |
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67.1 |
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60.1 |
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64.8 |
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+2.3 |
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69.6 |
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in |
2007 |
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60.1 |
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in |
2020 |
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| Minimum
Water Temp |
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63.7 |
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57.4 |
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60.9 |
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+2.8 |
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66.4 |
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in |
2007 |
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56.5 |
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in |
2006 |
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| Average Water Temp |
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65.4 |
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58.8 |
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62.8 |
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+2.6 |
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68.0 |
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in |
2007 |
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58.8 |
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in |
2020 |
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| Sunrise/ AM Twilight |
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5:11:01 AM |
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4:37:03 AM |
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| Sunset /
PM Twilight |
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8:21:50 PM |
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8:55:47 PM |
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| Length Of Day |
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15:10:49 |
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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 June 17, 2021 |
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| Climate Weather for June 17 |
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| Weather History For June 17 |
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| Weather Calendar |
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| Back
To Weather Stat Page |
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