Portsmouth Rhode Island Weather Almanac |
|
|
|
|
|
|
|
|
|
Thursday,
August 31, 2023 |
|
|
|
|
|
|
|
|
|
Clear, Windy
and Cooler |
|
|
|
|
|
|
|
|
|
|
|
Climate
Normal Period |
Climate Record Period |
|
|
|
|
|
|
|
|
|
|
1991 -
2020 |
1893 - 2023 |
|
|
|
|
|
|
|
|
|
|
August 31, 2023 |
|
Record |
|
Record |
|
|
|
|
|
|
|
|
|
Observed Daily Data |
|
2023 |
|
2022 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
|
|
|
|
|
|
|
Maximum Temperature |
|
75 |
|
84 |
|
77 |
|
-2 |
|
93 |
|
in |
1973 |
|
62 |
|
in |
1903 |
|
|
|
|
|
|
|
|
|
Minimum
Temperature |
|
58 |
|
63 |
|
62 |
|
-4 |
|
72 |
|
in |
2005 |
|
41 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
Average Temperature |
|
67 |
|
74 |
|
70 |
|
-3 |
|
82 |
|
in |
1973 |
|
53 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
Month Avg Max Temperature |
|
78.0 |
|
83.3 |
|
78.6 |
|
-0.6 |
|
83.3 |
|
in |
2022 |
|
73.0 |
|
in |
1903 |
|
|
|
|
|
|
|
|
|
Month Avg
Min Temperature |
|
63.6 |
|
66.9 |
|
63.7 |
|
-0.2 |
|
68.0 |
|
in |
2018 |
|
57.6 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
Month Average
Temperature |
|
71.1 |
|
75.4 |
|
71.2 |
|
-0.1 |
|
75.4 |
|
in |
2022 |
|
66.1 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
High Heat
Index |
|
74 |
|
87 |
|
79 |
|
-5 |
|
104 |
|
in |
1973 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Low Wind
Chill |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
37 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
Heating Degree Days |
|
0 |
|
0 |
|
1 |
|
-1 |
|
12 |
|
in |
1965 |
|
0 |
|
in |
2023 |
|
|
|
|
|
|
|
|
|
Month Heating DD |
|
0 |
|
0 |
|
3 |
|
-3 |
|
36 |
|
in |
1905 |
|
0 |
|
in |
2022 |
|
|
|
|
|
|
|
|
|
Season
Heating DD |
|
0 |
|
0 |
|
3 |
|
-3 |
|
36 |
|
in |
1905 |
|
0 |
|
in |
2022 |
|
|
|
|
|
|
|
|
|
Cooling Degree Days |
|
2 |
|
9 |
|
5 |
|
-3 |
|
17 |
|
in |
1973 |
|
0 |
|
in |
2009 |
|
|
|
|
|
|
|
|
|
Month Cooling DD |
|
314 |
|
282 |
|
204 |
|
+110 |
|
316 |
|
in |
2018 |
|
54 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
Year Cooling DD |
|
702 |
|
672 |
|
532 |
|
+170 |
|
765 |
|
in |
2020 |
|
244 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
Maximum Dew Point |
|
61 |
|
75 |
|
66 |
|
-5 |
|
75 |
|
in |
2022 |
|
49 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
Minimum
Dew Point |
|
49 |
|
57 |
|
57 |
|
-8 |
|
72 |
|
in |
2005 |
|
33 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
Average Dew Point |
|
55 |
|
66 |
|
61 |
|
-6 |
|
73 |
|
in |
2005 |
|
41 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
Month Avg Max Dew Point |
|
68.9 |
|
71.7 |
|
67.9 |
|
+1.0 |
|
72.5 |
|
in |
2021 |
|
60.8 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
Month Avg
Min Dew Point |
|
59.4 |
|
63.5 |
|
59.6 |
|
-0.2 |
|
65.0 |
|
in |
2018 |
|
50.8 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
Month Average Dew Point |
|
64.2 |
|
67.6 |
|
63.7 |
|
+0.4 |
|
68.6 |
|
in |
2018 |
|
55.8 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
Precipitation |
|
.00 |
|
.91 |
|
.11 |
|
-.11 |
|
2.60 |
|
in |
1954 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
One Hour
Rain |
|
.00 |
|
.83 |
|
|
|
|
|
.83 |
|
in |
2022 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Half Hour
Rain |
|
.00 |
|
.66 |
|
|
|
|
|
.66 |
|
in |
2022 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hourly Rain Rate |
|
.00 |
|
10.67 |
|
|
|
|
|
10.67 |
|
in |
2022 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Month Precipitation |
|
5.37 |
|
2.01 |
|
3.63 |
|
+1.74 |
|
11.81 |
|
in |
1985 |
|
.33 |
|
in |
1993 |
|
|
|
|
|
|
|
|
|
Year Precipitation |
|
35.62 |
|
25.42 |
|
29.28 |
|
+6.34 |
|
45.30 |
|
in |
1998 |
|
16.54 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
Snow |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Snow Depth |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Month Snow |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Season Snow |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
1996 |
|
0.0 |
|
in |
1998 |
|
|
|
|
|
|
|
|
|
|
|
August 31, 2023 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
Observed Daily Data |
|
2023 |
|
2022 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
Maximum Humidity |
|
87% |
|
99% |
|
93% |
|
-6% |
|
100% |
|
in |
2004 |
|
62% |
|
in |
1953 |
|
|
|
|
|
|
|
|
|
Minimum
Humidity |
|
48% |
|
56% |
|
58% |
|
-10% |
|
90% |
|
in |
1950 |
|
31% |
|
in |
1968 |
|
|
|
|
|
|
|
|
|
Average Humidity |
|
68% |
|
78% |
|
76% |
|
-8% |
|
95% |
|
in |
1950 |
|
50% |
|
in |
1953 |
|
|
|
|
|
|
|
|
|
Maximum Barometer |
|
30.11 |
|
29.82 |
|
30.10 |
|
+00.01 |
|
30.54 |
|
in |
2002 |
|
29.78 |
|
in |
2021 |
|
|
|
|
|
|
|
|
|
Minimum
Barometer |
|
29.91 |
|
29.71 |
|
29.89 |
|
+00.02 |
|
30.29 |
|
in |
2002 |
|
28.65 |
|
in |
1954 |
|
|
|
|
|
|
|
|
|
Average Barometer |
|
30.01 |
|
29.77 |
|
29.99 |
|
+00.02 |
|
30.42 |
|
in |
2002 |
|
29.26 |
|
in |
1954 |
|
|
|
|
|
|
|
|
|
Average
Wind |
|
9.8 |
|
5.1 |
|
6.1 |
|
+3.7 |
|
27.5 |
|
in |
1954 |
|
1.3 |
|
in |
1990 |
|
|
|
|
|
|
|
|
|
Direction |
|
N |
|
SSW |
|
SSW |
|
|
|
SW |
SW |
|
|
|
|
|
|
|
|
High Wind
Gust |
|
24 |
|
25 |
|
22 |
|
+2 |
|
109 |
|
in |
1954 |
|
11 |
|
in |
1950 |
|
|
|
|
|
|
|
|
|
Direction |
|
#N/A |
|
#N/A |
|
SSW |
|
|
|
ESE |
SE |
|
|
|
|
|
|
|
|
Maximum Water Temp |
|
69.3 |
|
74.8 |
|
71.0 |
|
-1.7 |
|
76.3 |
|
in |
2021 |
|
66.9 |
|
in |
2003 |
|
|
|
|
|
|
|
|
|
Minimum
Water Temp |
|
68.4 |
|
73.2 |
|
68.7 |
|
-0.3 |
|
73.9 |
|
in |
2021 |
|
#N/A |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
Average Water Temp |
|
68.9 |
|
74.0 |
|
69.9 |
|
-1.0 |
|
75.1 |
|
in |
2021 |
|
65.6 |
|
in |
2003 |
|
|
|
|
|
|
|
|
|
Sunrise/ AM Twilight |
|
6:09:54 AM |
|
5:09:04 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sunset /
PM Twilight |
|
7:20:09 PM |
|
8:34:07 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Length Of Day |
|
13:10:15 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Special Conditions |
|
None |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Comments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hour-by-Hour Weather For August 31, 2023 |
|
|
|
|
|
|
|
|
|
Climate Weather for August 31 |
|
|
|
|
|
|
|
|
|
Weather History For August 31 |
|
|
|
|
|
|
|
|
|
Weather Calendar |
|
|
|
|
|
|
|
|
Back To Weather Stat Page |
|
|
|
|
|
|
|
|
Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|