Portsmouth Rhode Island Weather Almanac |
|
|
|
|
|
|
|
|
|
Thursday,
August 17, 2023 |
|
|
|
|
|
|
|
|
|
Mostly Cloudy
early then Cloudy, Light Rain & Fog Late, Light Winds, Continued Cool |
|
|
|
|
|
|
|
|
|
|
|
Climate
Normal Period |
Climate Record Period |
|
|
|
|
|
|
|
|
|
|
1991 -
2020 |
1893 - 2023 |
|
|
|
|
|
|
|
|
|
|
August 17, 2023 |
|
Record |
|
Record |
|
|
|
|
|
|
|
|
|
Observed Daily Data |
|
2023 |
|
2022 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
|
|
|
|
|
|
|
Maximum Temperature |
|
74 |
|
78 |
|
78 |
|
-4 |
|
91 |
|
in |
2002 |
|
65 |
|
in |
1909 |
|
|
|
|
|
|
|
|
|
Minimum
Temperature |
|
64 |
|
61 |
|
64 |
|
+0 |
|
74 |
|
in |
1955 |
|
52 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
Average Temperature |
|
69 |
|
70 |
|
71 |
|
-2 |
|
81 |
|
in |
2002 |
|
61 |
|
in |
1909 |
|
|
|
|
|
|
|
|
|
Month Avg Max Temperature |
|
78.6 |
|
83.0 |
|
79.2 |
|
-0.6 |
|
84.4 |
|
in |
1988 |
|
72.1 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
Month Avg
Min Temperature |
|
64.4 |
|
67.2 |
|
64.5 |
|
-0.1 |
|
71.6 |
|
in |
1988 |
|
55.7 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
Month Average
Temperature |
|
71.8 |
|
75.4 |
|
71.8 |
|
-0.1 |
|
78.4 |
|
in |
1988 |
|
64.2 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
High Heat
Index |
|
76 |
|
78 |
|
81 |
|
-5 |
|
98 |
|
in |
2002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Low Wind
Chill |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
49 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
Heating Degree Days |
|
0 |
|
0 |
|
0 |
|
+0 |
|
4 |
|
in |
1909 |
|
0 |
|
in |
2023 |
|
|
|
|
|
|
|
|
|
Month Heating DD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
24 |
|
in |
1964 |
|
0 |
|
in |
2023 |
|
|
|
|
|
|
|
|
|
Season
Heating DD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
24 |
|
in |
1964 |
|
0 |
|
in |
2023 |
|
|
|
|
|
|
|
|
|
Cooling Degree Days |
|
4 |
|
5 |
|
6 |
|
-2 |
|
16 |
|
in |
2002 |
|
0 |
|
in |
2000 |
|
|
|
|
|
|
|
|
|
Month Cooling DD |
|
115 |
|
177 |
|
126 |
|
-11 |
|
227 |
|
in |
1988 |
|
11 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
Year Cooling DD |
|
499 |
|
565 |
|
454 |
|
+45 |
|
654 |
|
in |
2020 |
|
208 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
Maximum Dew Point |
|
69 |
|
65 |
|
68 |
|
+1 |
|
76 |
|
in |
2010 |
|
51 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
Minimum
Dew Point |
|
63 |
|
54 |
|
59 |
|
+4 |
|
72 |
|
in |
1955 |
|
43 |
|
in |
1961 |
|
|
|
|
|
|
|
|
|
Average Dew Point |
|
66 |
|
60 |
|
64 |
|
+2 |
|
74 |
|
in |
1955 |
|
49 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
Month Avg Max Dew Point |
|
69.0 |
|
70.9 |
|
68.7 |
|
+0.3 |
|
74.1 |
|
in |
2018 |
|
57.5 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
Month Avg
Min Dew Point |
|
60.3 |
|
63.3 |
|
60.7 |
|
-0.4 |
|
67.9 |
|
in |
2018 |
|
46.9 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
Month Average Dew Point |
|
64.6 |
|
67.1 |
|
64.6 |
|
+0.0 |
|
71.0 |
|
in |
2018 |
|
52.2 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
Precipitation |
|
.01 |
|
.15 |
|
.12 |
|
-.11 |
|
1.65 |
|
in |
1909 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
One Hour
Rain |
|
.01 |
|
.04 |
|
|
|
|
|
.90 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Half Hour
Rain |
|
.00 |
|
.02 |
|
|
|
|
|
.11 |
|
in |
2010 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hourly Rain Rate |
|
.00 |
|
.07 |
|
|
|
|
|
2.35 |
|
in |
2010 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Month Precipitation |
|
3.57 |
|
.62 |
|
2.03 |
|
+1.54 |
|
7.57 |
|
in |
1946 |
|
.07 |
|
in |
1940 |
|
|
|
|
|
|
|
|
|
Year Precipitation |
|
33.82 |
|
24.03 |
|
27.68 |
|
+6.14 |
|
43.87 |
|
in |
1983 |
|
15.70 |
|
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 17, 2023 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
Observed Daily Data |
|
2023 |
|
2022 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
Maximum Humidity |
|
99% |
|
96% |
|
93% |
|
+6% |
|
100% |
|
in |
2003 |
|
77% |
|
in |
1980 |
|
|
|
|
|
|
|
|
|
Minimum
Humidity |
|
81% |
|
51% |
|
59% |
|
+22% |
|
95% |
|
in |
1998 |
|
30% |
|
in |
2007 |
|
|
|
|
|
|
|
|
|
Average Humidity |
|
90% |
|
74% |
|
76% |
|
+14% |
|
98% |
|
in |
1998 |
|
55% |
|
in |
1980 |
|
|
|
|
|
|
|
|
|
Maximum Barometer |
|
30.02 |
|
30.01 |
|
30.04 |
|
-00.02 |
|
30.37 |
|
in |
1947 |
|
29.71 |
|
in |
1952 |
|
|
|
|
|
|
|
|
|
Minimum
Barometer |
|
29.86 |
|
29.86 |
|
29.86 |
|
+00.00 |
|
30.20 |
|
in |
1994 |
|
29.44 |
|
in |
1977 |
|
|
|
|
|
|
|
|
|
Average Barometer |
|
29.94 |
|
29.94 |
|
29.95 |
|
-00.01 |
|
30.25 |
|
in |
1994 |
|
29.65 |
|
in |
1958 |
|
|
|
|
|
|
|
|
|
Average
Wind |
|
3.8 |
|
6.3 |
|
5.8 |
|
-2.0 |
|
12.8 |
|
in |
1969 |
|
1.7 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
Direction |
|
E |
|
N |
|
SSW |
|
|
|
WSW |
SSE |
|
|
|
|
|
|
|
|
High Wind
Gust |
|
11 |
|
20 |
|
20 |
|
-9 |
|
35 |
|
in |
1981 |
|
10 |
|
in |
2004 |
|
|
|
|
|
|
|
|
|
Direction |
|
ENE |
|
N |
|
SSW |
|
|
|
NNW |
SSE |
|
|
|
|
|
|
|
|
Maximum Water Temp |
|
70.2 |
|
72.0 |
|
72.0 |
|
-1.8 |
|
75.5 |
|
in |
2016 |
|
66.8 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
Minimum
Water Temp |
|
69.4 |
|
70.7 |
|
69.0 |
|
+0.4 |
|
73.6 |
|
in |
2018 |
|
64.9 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
Average Water Temp |
|
69.8 |
|
71.4 |
|
70.5 |
|
-0.7 |
|
74.4 |
|
in |
2018 |
|
65.9 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
Sunrise/ AM Twilight |
|
5:55:37 AM |
|
4:54:40 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sunset /
PM Twilight |
|
7:41:58 PM |
|
8:48:22 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Length Of Day |
|
13:46:21 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Special Conditions |
|
Fog |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Comments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hour-by-Hour Weather For August 17, 2023 |
|
|
|
|
|
|
|
|
|
Climate Weather for August 17 |
|
|
|
|
|
|
|
|
|
Weather History For August 17 |
|
|
|
|
|
|
|
|
|
Weather Calendar |
|
|
|
|
|
|
|
|
Back To Weather Stat Page |
|
|
|
|
|
|
|
|
Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|