| Portsmouth Rhode Island Weather Almanac |
|
|
|
|
|
|
|
|
|
| Tuesday,
August 29, 2023 |
|
|
|
|
|
|
|
|
|
| Mostly
Cloudy/Dense Fog early then Cloudy, Rain Late, Light Winds, Continued Cool |
|
|
|
|
|
|
|
|
|
| |
|
Climate
Normal Period |
Climate Record Period |
|
|
|
|
|
|
|
|
| |
|
1991 -
2020 |
1893 - 2023 |
|
|
|
|
|
|
|
|
| |
|
August 29, 2023 |
|
Record |
|
Record |
|
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
2023 |
|
2022 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
|
|
|
|
|
|
|
| Maximum Temperature |
|
75 |
|
83 |
|
77 |
|
-2 |
|
93 |
|
in |
1953 |
|
63 |
|
in |
2006 |
|
|
|
|
|
|
|
|
|
| Minimum
Temperature |
|
62 |
|
64 |
|
62 |
|
+0 |
|
73 |
|
in |
2018 |
|
46 |
|
in |
1982 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
69 |
|
74 |
|
70 |
|
-1 |
|
83 |
|
in |
1948 |
|
57 |
|
in |
1986 |
|
|
|
|
|
|
|
|
|
| Month Avg Max Temperature |
|
78.1 |
|
83.3 |
|
78.7 |
|
-0.6 |
|
83.3 |
|
in |
2022 |
|
73.5 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Month Avg
Min Temperature |
|
63.7 |
|
66.9 |
|
63.9 |
|
-0.2 |
|
68.1 |
|
in |
2018 |
|
56.9 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Month Average
Temperature |
|
71.1 |
|
75.4 |
|
71.3 |
|
-0.1 |
|
75.4 |
|
in |
2022 |
|
65.6 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| High
Heat Index |
|
77 |
|
90 |
|
78 |
|
-1 |
|
103 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Low Wind
Chill |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
43 |
|
in |
1982 |
|
|
|
|
|
|
|
|
|
| Heating Degree Days |
|
0 |
|
0 |
|
1 |
|
-1 |
|
8 |
|
in |
1986 |
|
0 |
|
in |
2023 |
|
|
|
|
|
|
|
|
|
| Month Heating DD |
|
0 |
|
0 |
|
2 |
|
-2 |
|
36 |
|
in |
1905 |
|
0 |
|
in |
2023 |
|
|
|
|
|
|
|
|
|
| Season
Heating DD |
|
0 |
|
0 |
|
2 |
|
-2 |
|
36 |
|
in |
1905 |
|
0 |
|
in |
2023 |
|
|
|
|
|
|
|
|
|
| Cooling Degree Days |
|
4 |
|
9 |
|
5 |
|
-1 |
|
18 |
|
in |
1948 |
|
0 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
| Month Cooling DD |
|
178 |
|
301 |
|
199 |
|
-21 |
|
301 |
|
in |
2022 |
|
43 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Year Cooling DD |
|
562 |
|
689 |
|
527 |
|
+35 |
|
761 |
|
in |
2020 |
|
241 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
| Maximum Dew Point |
|
72 |
|
74 |
|
66 |
|
+6 |
|
78 |
|
in |
2018 |
|
44 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
| Minimum
Dew Point |
|
61 |
|
62 |
|
58 |
|
+3 |
|
72 |
|
in |
2018 |
|
35 |
|
in |
1982 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
67 |
|
68 |
|
62 |
|
+5 |
|
75 |
|
in |
2018 |
|
40 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
| Month Avg Max Dew Point |
|
69.0 |
|
71.5 |
|
68.0 |
|
+1.0 |
|
72.4 |
|
in |
2021 |
|
60.1 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Month Avg
Min Dew Point |
|
59.7 |
|
63.4 |
|
59.8 |
|
-0.1 |
|
65.2 |
|
in |
2018 |
|
49.8 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Month Average Dew Point |
|
64.4 |
|
67.5 |
|
63.9 |
|
+0.5 |
|
68.8 |
|
in |
2018 |
|
54.9 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Precipitation |
|
.22 |
|
.00 |
|
.11 |
|
+.11 |
|
3.97 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| One Hour
Rain |
|
.16 |
|
.00 |
|
|
|
|
|
2.44 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Half Hour
Rain |
|
.10 |
|
.00 |
|
|
|
|
|
.52 |
|
in |
2009 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hourly Rain Rate |
|
.61 |
|
.00 |
|
|
|
|
|
3.47 |
|
in |
2005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Month Precipitation |
|
5.31 |
|
1.10 |
|
3.41 |
|
+1.90 |
|
11.69 |
|
in |
1946 |
|
.33 |
|
in |
1993 |
|
|
|
|
|
|
|
|
|
| Year Precipitation |
|
35.56 |
|
24.51 |
|
29.06 |
|
+6.50 |
|
45.24 |
|
in |
1998 |
|
16.49 |
|
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 29, 2023 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
2023 |
|
2022 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Maximum Humidity |
|
99% |
|
98% |
|
93% |
|
+6% |
|
100% |
|
in |
2017 |
|
70% |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
| Minimum
Humidity |
|
87% |
|
74% |
|
61% |
|
+26% |
|
91% |
|
in |
1987 |
|
35% |
|
in |
1982 |
|
|
|
|
|
|
|
|
|
| Average Humidity |
|
93% |
|
86% |
|
77% |
|
+16% |
|
96% |
|
in |
1987 |
|
54% |
|
in |
1982 |
|
|
|
|
|
|
|
|
|
| Maximum Barometer |
|
30.07 |
|
30.17 |
|
30.07 |
|
-00.00 |
|
30.37 |
|
in |
1941 |
|
29.73 |
|
in |
1962 |
|
|
|
|
|
|
|
|
|
| Minimum
Barometer |
|
29.91 |
|
30.03 |
|
29.87 |
|
+00.04 |
|
30.23 |
|
in |
2000 |
|
29.43 |
|
in |
1990 |
|
|
|
|
|
|
|
|
|
| Average Barometer |
|
29.99 |
|
30.10 |
|
29.97 |
|
+00.02 |
|
30.27 |
|
in |
2000 |
|
29.62 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
| Average
Wind |
|
2.1 |
|
4.8 |
|
6.1 |
|
-4.0 |
|
17.3 |
|
in |
1962 |
|
1.3 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Direction |
|
ESE |
|
SSW |
|
SSW |
|
|
|
NNE |
S |
|
|
|
|
|
|
|
|
| High
Wind Gust |
|
10 |
|
21 |
|
22 |
|
-12 |
|
42 |
|
in |
1962 |
|
10 |
|
in |
2023 |
|
|
|
|
|
|
|
|
|
| Direction |
|
ESE |
|
SSW |
|
S |
|
|
|
NNE |
ESE |
|
|
|
|
|
|
|
|
| Maximum Water Temp |
|
69.4 |
|
74.1 |
|
70.5 |
|
-1.1 |
|
74.4 |
|
in |
2018 |
|
64.8 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
| Minimum
Water Temp |
|
68.4 |
|
72.3 |
|
68.4 |
|
+0.0 |
|
72.5 |
|
in |
2021 |
|
62.9 |
|
in |
2003 |
|
|
|
|
|
|
|
|
|
| Average Water Temp |
|
68.9 |
|
73.2 |
|
69.5 |
|
-0.6 |
|
73.8 |
|
in |
2021 |
|
64.3 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
| Sunrise/ AM Twilight |
|
6:07:52 AM |
|
5:06:54 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sunset /
PM Twilight |
|
7:23:25 PM |
|
8:36:30 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Length Of Day |
|
13:15:33 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Special Conditions |
|
Dense Fog |
|
|
|
|
|
|
|
|
|
| Comments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hour-by-Hour Weather For August 29, 2023 |
|
|
|
|
|
|
|
|
|
| Climate Weather for August 29 |
|
|
|
|
|
|
|
|
|
| Weather History For August 29 |
|
|
|
|
|
|
|
|
|
| Weather Calendar |
|
|
|
|
|
|
|
|
| Back To Weather Stat Page |
|
|
|
|
|
|
|
|
| Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|