| Portsmouth Rhode Island Weather Almanac |
|
|
|
|
|
|
|
|
|
| Wednesday,
July 21, 2021 |
|
|
|
|
|
|
|
|
|
| Partly
Cloudy & Fog early, Clear Day with Haze to Partly Cloudy PM, Lilght Winds
& Continued Warm |
|
|
|
|
|
|
|
|
|
| Climate Normal
Period |
|
Climate Record Period |
|
|
|
|
|
|
|
|
|
| 1991- 2020 |
|
1893 - 2021 |
|
|
|
|
|
|
|
|
|
| |
|
July 21, 2021 |
|
Record |
|
Record |
|
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
2021 |
|
2020 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
|
|
|
|
|
|
|
| Maximum Temperature |
|
84 |
|
90 |
|
80 |
|
+4 |
|
96 |
|
in |
1991 |
|
68 |
|
in |
1936 |
|
|
|
|
|
|
|
|
|
| Minimum
Temperature |
|
68 |
|
71 |
|
65 |
|
+3 |
|
76 |
|
in |
2019 |
|
53 |
|
in |
2000 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
76 |
|
81 |
|
73 |
|
+3 |
|
85 |
|
in |
2019 |
|
64 |
|
in |
2000 |
|
|
|
|
|
|
|
|
|
| Month Avg Max Temperature |
|
78.7 |
|
81.3 |
|
79.6 |
|
-0.9 |
|
84.8 |
|
in |
1955 |
|
74.3 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
| Month
Avg Min Temperature |
|
65.5 |
|
65.6 |
|
64.4 |
|
+1.1 |
|
71.1 |
|
in |
2013 |
|
58.2 |
|
in |
1962 |
|
|
|
|
|
|
|
|
|
| Month Average
Temperature |
|
72.4 |
|
73.8 |
|
72.4 |
|
+0.0 |
|
77.4 |
|
in |
2013 |
|
67.7 |
|
in |
2009 |
|
|
|
|
|
|
|
|
|
| HDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
1 |
|
in |
2000 |
|
0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Month HDD |
|
9 |
|
0 |
|
3 |
|
+6 |
|
23 |
|
in |
1914 |
|
0 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
| Season HDD |
|
9 |
|
0 |
|
3 |
|
+6 |
|
23 |
|
in |
1914 |
|
0 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
| CDD |
|
11 |
|
16 |
|
8 |
|
+3 |
|
20 |
|
in |
2019 |
|
0 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
| Month CDD |
|
165 |
|
184 |
|
155 |
|
+10 |
|
260 |
|
in |
2013 |
|
66 |
|
in |
2009 |
|
|
|
|
|
|
|
|
|
| Year CDD |
|
327 |
|
317 |
|
248 |
|
+79 |
|
374 |
|
in |
2010 |
|
93 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
| Maximum Dew Point |
|
72 |
|
71 |
|
69 |
|
+3 |
|
79 |
|
in |
2019 |
|
51 |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
| Minimum
Dew Point |
|
62 |
|
64 |
|
61 |
|
+1 |
|
70 |
|
in |
2019 |
|
43 |
|
in |
1966 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
67 |
|
68 |
|
65 |
|
+2 |
|
75 |
|
in |
2019 |
|
48 |
|
in |
1966 |
|
|
|
|
|
|
|
|
|
| Month Avg Max Dew Point |
|
71.4 |
|
70.8 |
|
68.4 |
|
+3.0 |
|
74.1 |
|
in |
2013 |
|
61.1 |
|
in |
1978 |
|
|
|
|
|
|
|
|
|
| Month
Avg Min Dew Point |
|
63.0 |
|
63.0 |
|
59.9 |
|
+3.1 |
|
68.7 |
|
in |
2013 |
|
51.4 |
|
in |
1962 |
|
|
|
|
|
|
|
|
|
| Month Average Dew Point |
|
67.2 |
|
66.9 |
|
64.1 |
|
+3.1 |
|
71.4 |
|
in |
2013 |
|
56.4 |
|
in |
1962 |
|
|
|
|
|
|
|
|
|
| Precipitation |
|
.00 |
|
.00 |
|
.09 |
|
-.09 |
|
1.65 |
|
in |
1973 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| One Hour |
|
.00 |
|
.00 |
|
|
|
|
|
.52 |
|
in |
1988 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hourly Rate |
|
.00 |
|
.00 |
|
|
|
|
|
1.88 |
|
in |
2009 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Month Precipitation |
|
3.53 |
|
1.09 |
|
2.09 |
|
+1.44 |
|
6.32 |
|
in |
2009 |
|
.16 |
|
in |
2002 |
|
|
|
|
|
|
|
|
|
| Year Precipitation |
|
22.59 |
|
22.11 |
|
24.66 |
|
-2.07 |
|
40.76 |
|
in |
1998 |
|
13.52 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Snow |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Snow Depth |
|
0 |
|
0 |
|
|
|
|
|
0 |
|
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 |
|
|
|
|
|
|
|
|
|
| |
|
July
21, 2021 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
2021 |
|
2020 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Maximum Humidity |
|
97% |
|
84% |
|
92% |
|
+5% |
|
100% |
|
in |
2004 |
|
72% |
|
in |
1966 |
|
|
|
|
|
|
|
|
|
| Minimum
Humidity |
|
60% |
|
45% |
|
59% |
|
+1% |
|
93% |
|
in |
1988 |
|
34% |
|
in |
1991 |
|
|
|
|
|
|
|
|
|
| Average Humidity |
|
79% |
|
65% |
|
75% |
|
+3% |
|
97% |
|
in |
1988 |
|
54% |
|
in |
1966 |
|
|
|
|
|
|
|
|
|
| Maximum Barometer |
|
29.90 |
|
30.03 |
|
30.02 |
|
-00.12 |
|
30.40 |
|
in |
1929 |
|
29.65 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Minimum
Barometer |
|
29.81 |
|
29.89 |
|
29.83 |
|
-00.02 |
|
30.12 |
|
in |
1999 |
|
29.40 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
| Average Barometer |
|
29.86 |
|
29.96 |
|
29.92 |
|
-00.07 |
|
30.16 |
|
in |
1999 |
|
29.55 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
| Average Wind |
|
3.8 |
|
4.4 |
|
5.4 |
|
-1.6 |
|
11.3 |
|
in |
2003 |
|
1.8 |
|
in |
2005 |
|
|
|
|
|
|
|
|
|
| Direction |
|
NW |
|
NNW |
|
SSW |
|
|
|
S |
|
|
|
|
SSE |
|
|
|
|
|
|
|
|
|
|
|
|
| High Wind Gust |
|
17 |
|
20 |
|
20 |
|
-3 |
|
44 |
|
in |
1916 |
|
10 |
|
in |
1973 |
|
|
|
|
|
|
|
|
|
| Direction |
|
WNW |
|
WSW |
|
SSW |
|
|
|
SSE |
|
|
|
|
NNE |
|
|
|
|
|
|
|
|
|
|
|
|
| High
Heat Index |
|
88 |
|
96 |
|
83 |
|
+5 |
|
109 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Low Wind Chill |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#N/A |
|
in |
#N/A |
|
|
|
|
|
|
|
|
|
| Maximum Water Temp |
|
74.7 |
|
68.4 |
|
71.3 |
|
+3.4 |
|
75.6 |
|
in |
2010 |
|
67.9 |
|
in |
2009 |
|
|
|
|
|
|
|
|
|
| Minimum
Water Temp |
|
72.6 |
|
64.0 |
|
67.8 |
|
+4.8 |
|
73.2 |
|
in |
2010 |
|
64.0 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
| Average Water Temp |
|
73.7 |
|
66.2 |
|
69.5 |
|
+4.1 |
|
74.4 |
|
in |
2010 |
|
66.2 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
| Sunrise/ AM Twilight |
|
5:30:42 AM |
|
4:58:34 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sunset /
PM Twilight |
|
8:12:46 PM |
|
8:44:54 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Length Of Day |
|
14:42:04 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Special Conditions |
|
Fog, Haze |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Comments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hour-by-Hour Weather For July 21, 2021 |
|
|
|
|
|
|
|
|
|
| Climate Weather for July 21 |
|
|
|
|
|
|
|
|
|
| Weather History For July 21 |
|
|
|
|
|
|
|
|
|
| Weather Calendar |
|
|
|
|
|
|
|
|
|
| Back
To Weather Stat Page |
|
|
|
|
|
|
|
|
|
| Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|