| Portsmouth Rhode Island Weather Almanac |
|
|
|
|
|
|
|
|
|
| Wednesday,
August 4, 2021 |
|
|
|
|
|
|
|
|
|
| Mostly
Cloudy early then Cloudy, Very Heavy Rain & Fog, Light Winds &
Continued Cool |
|
|
|
|
|
|
|
|
|
| Climate Normal
Period |
|
Climate Record Period |
|
|
|
|
|
|
|
|
|
| 1991- 2020 |
|
1893 - 2021 |
|
|
|
|
|
|
|
|
|
| |
|
August 4, 2021 |
|
Record |
|
Record |
|
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
2021 |
|
2020 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
|
|
|
|
|
|
|
| Maximum Temperature |
|
72 |
|
83 |
|
80 |
|
-8 |
|
92 |
|
in |
1944 |
|
65 |
|
in |
1903 |
|
|
|
|
|
|
|
|
|
| Minimum
Temperature |
|
61 |
|
71 |
|
65 |
|
-4 |
|
73 |
|
in |
2012 |
|
53 |
|
in |
1966 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
67 |
|
77 |
|
72 |
|
-5 |
|
81 |
|
in |
1926 |
|
62 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Month Avg Max Temperature |
|
76.3 |
|
85.8 |
|
80.0 |
|
-3.8 |
|
91.3 |
|
in |
1975 |
|
72.0 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Month Avg
Min Temperature |
|
59.3 |
|
70.3 |
|
65.0 |
|
-5.8 |
|
72.8 |
|
in |
1979 |
|
54.8 |
|
in |
1953 |
|
|
|
|
|
|
|
|
|
| Month Average
Temperature |
|
68.3 |
|
78.0 |
|
72.0 |
|
-3.8 |
|
81.8 |
|
in |
1975 |
|
63.8 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| HDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
3 |
|
in |
1964 |
|
0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Month HDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
8 |
|
in |
1964 |
|
0 |
|
in |
2021 |
|
|
|
|
|
|
|
|
|
| Season HDD |
|
9 |
|
0 |
|
3 |
|
+6 |
|
34 |
|
in |
1914 |
|
0 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
| CDD |
|
2 |
|
12 |
|
8 |
|
-6 |
|
16 |
|
in |
1926 |
|
0 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Month CDD |
|
13 |
|
52 |
|
32 |
|
-19 |
|
67 |
|
in |
1975 |
|
1 |
|
in |
1953 |
|
|
|
|
|
|
|
|
|
| Year CDD |
|
403 |
|
516 |
|
360 |
|
+43 |
|
516 |
|
in |
2020 |
|
163 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
| Maximum Dew Point |
|
67 |
|
78 |
|
69 |
|
-2 |
|
78 |
|
in |
2020 |
|
50 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Minimum
Dew Point |
|
59 |
|
68 |
|
61 |
|
-2 |
|
72 |
|
in |
2012 |
|
41 |
|
in |
1953 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
63 |
|
73 |
|
65 |
|
-2 |
|
75 |
|
in |
2012 |
|
48 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Month Avg Max Dew Point |
|
65.3 |
|
75.8 |
|
69.0 |
|
-3.8 |
|
76.5 |
|
in |
2006 |
|
56.0 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Month Avg
Min Dew Point |
|
56.5 |
|
66.3 |
|
61.8 |
|
-5.3 |
|
70.8 |
|
in |
1979 |
|
45.8 |
|
in |
1953 |
|
|
|
|
|
|
|
|
|
| Month Average Dew Point |
|
60.9 |
|
71.0 |
|
65.0 |
|
-4.1 |
|
72.5 |
|
in |
1979 |
|
51.4 |
|
in |
1964 |
|
|
|
|
|
|
|
|
|
| Precipitation |
|
1.77 |
|
.12 |
|
.12 |
|
+1.65 |
|
1.89 |
|
in |
1915 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| One Hour |
|
1.11 |
|
.12 |
|
|
|
|
|
1.13 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hourly Rate |
|
3.37 |
|
4.14 |
|
|
|
|
|
8.00 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Month Precipitation |
|
1.80 |
|
.12 |
|
.47 |
|
+1.33 |
|
2.92 |
|
in |
1915 |
|
.00 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
| Year Precipitation |
|
24.63 |
|
22.50 |
|
26.12 |
|
-1.49 |
|
41.55 |
|
in |
1998 |
|
14.69 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Snow |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
in |
#N/A |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Snow Depth |
|
#N/A |
|
#N/A |
|
|
|
|
|
#N/A |
|
in |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Month Snow |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
in |
#N/A |
|
#N/A |
|
in |
|
|
|
|
|
|
|
|
|
|
| Season Snow |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
#N/A |
|
in |
#N/A |
|
#N/A |
|
in |
#N/A |
|
|
|
|
|
|
|
|
|
| |
|
August
4, 2021 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
2021 |
|
2020 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Maximum Humidity |
|
99% |
|
94% |
|
94% |
|
+5% |
|
100% |
|
in |
2018 |
|
72% |
|
in |
1956 |
|
|
|
|
|
|
|
|
|
| Minimum
Humidity |
|
73% |
|
81% |
|
61% |
|
+12% |
|
90% |
|
in |
2003 |
|
29% |
|
in |
1953 |
|
|
|
|
|
|
|
|
|
| Average Humidity |
|
86% |
|
88% |
|
78% |
|
+8% |
|
95% |
|
in |
2003 |
|
55% |
|
in |
1966 |
|
|
|
|
|
|
|
|
|
| Maximum Barometer |
|
30.18 |
|
30.07 |
|
30.03 |
|
+00.15 |
|
30.30 |
|
in |
1988 |
|
29.66 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Minimum
Barometer |
|
30.08 |
|
29.78 |
|
29.84 |
|
+00.24 |
|
30.17 |
|
in |
1998 |
|
29.45 |
|
in |
1987 |
|
|
|
|
|
|
|
|
|
| Average Barometer |
|
30.13 |
|
29.93 |
|
29.93 |
|
+00.20 |
|
30.21 |
|
in |
1998 |
|
29.61 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Average Wind |
|
3.3 |
|
7.6 |
|
5.7 |
|
-2.4 |
|
14.0 |
|
in |
1974 |
|
2.3 |
|
in |
1996 |
|
|
|
|
|
|
|
|
|
| Direction |
|
SSE |
|
SSE |
|
SSW |
|
|
|
SW |
|
|
|
|
SSE |
|
|
|
|
|
|
|
|
|
|
|
|
| High Wind Gust |
|
15 |
|
42 |
|
21 |
|
-6 |
|
42 |
|
in |
2020 |
|
10 |
|
in |
1998 |
|
|
|
|
|
|
|
|
|
| Direction |
|
ENE |
|
S |
|
SSW |
|
|
|
S |
|
|
|
|
SSE |
|
|
|
|
|
|
|
|
|
|
|
|
| High
Heat Index |
|
74 |
|
91 |
|
82 |
|
-8 |
|
94 |
|
in |
2012 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Low Wind Chill |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#N/A |
|
in |
#N/A |
|
|
|
|
|
|
|
|
|
| Maximum Water Temp |
|
73.1 |
|
68.0 |
|
72.6 |
|
+0.5 |
|
77.0 |
|
in |
2006 |
|
68.0 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
| Minimum
Water Temp |
|
71.1 |
|
65.5 |
|
68.7 |
|
+2.4 |
|
72.9 |
|
in |
2009 |
|
63.9 |
|
in |
2001 |
|
|
|
|
|
|
|
|
|
| Average Water Temp |
|
72.1 |
|
66.8 |
|
70.7 |
|
+1.4 |
|
73.7 |
|
in |
2002 |
|
66.8 |
|
in |
2001 |
|
|
|
|
|
|
|
|
|
| Sunrise/ AM Twilight |
|
5:44:08 AM |
|
5:13:27 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sunset /
PM Twilight |
|
7:58:22 PM |
|
8:29:03 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Length Of Day |
|
14:14:14 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Special Conditions |
|
Fog |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Comments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hour-by-Hour Weather For August 4, 2021 |
|
|
|
|
|
|
|
|
|
| Climate Weather for August 4 |
|
|
|
|
|
|
|
|
|
| Weather History For August 4 |
|
|
|
|
|
|
|
|
|
| Weather Calendar |
|
|
|
|
|
|
|
|
|
| Back
To Weather Stat Page |
|
|
|
|
|
|
|
|
|
| Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|