| Portsmouth Rhode Island
Weather Almanac |
|
|
|
|
|
|
|
|
| Monday, January 4, 2021 |
|
|
|
|
|
|
|
|
| Cloudy, Light Rain, Light Snow and Fog early then Partly
Cloudy PM, Seasonal Temperatures |
|
|
|
|
|
|
|
|
| Climate Normal
Period |
|
Climate Record Period |
|
|
|
|
|
|
|
|
|
| 1991- 2020 |
|
1893 - 2021 |
|
|
|
|
|
|
|
|
|
| |
|
January
4, 2021 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
2021 |
|
2020 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Maximum Temperature |
|
39 |
|
46 |
|
40 |
|
-1 |
|
59 |
|
in |
2000 |
|
9 |
|
in |
1904 |
|
|
|
|
|
|
|
|
|
| Minimum
Temperature |
|
31 |
|
40 |
|
26 |
|
+5 |
|
51 |
|
in |
1950 |
|
-4 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
| Average
Temperature |
|
35 |
|
43 |
|
33 |
|
+2 |
|
54 |
|
in |
1950 |
|
4 |
|
in |
1904 |
|
|
|
|
|
|
|
|
|
| Month Avg Max Temperature |
|
41.3 |
|
45.5 |
|
40.1 |
|
+1.1 |
|
55.3 |
|
in |
2000 |
|
13.8 |
|
in |
1918 |
|
|
|
|
|
|
|
|
|
| Month Avg
Min Temperature |
|
31.0 |
|
37.5 |
|
26.2 |
|
+4.8 |
|
39.0 |
|
in |
2000 |
|
0.8 |
|
in |
1918 |
|
|
|
|
|
|
|
|
|
| Month Average
Temperature |
|
36.1 |
|
41.5 |
|
33.2 |
|
+3.0 |
|
47.1 |
|
in |
2000 |
|
7.3 |
|
in |
1918 |
|
|
|
|
|
|
|
|
|
| Precipitation |
|
.03 |
|
.26 |
|
.12 |
|
-.09 |
|
1.85 |
|
in |
1944 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| One Hour |
|
.02 |
|
.05 |
|
|
|
|
|
.30 |
|
in |
1982 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hourly
Rate |
|
.00 |
|
.19 |
|
|
|
|
|
.71 |
|
in |
2004 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Month Precipitation |
|
.42 |
|
.26 |
|
.48 |
|
-.06 |
|
3.53 |
|
in |
1919 |
|
.00 |
|
in |
2013 |
|
|
|
|
|
|
|
|
|
| Year
Precipitation |
|
.42 |
|
.26 |
|
.48 |
|
-.06 |
|
3.53 |
|
in |
1919 |
|
.00 |
|
in |
2013 |
|
|
|
|
|
|
|
|
|
| Snow |
|
T |
|
0.0 |
|
0.3 |
|
-0.3 |
|
12.5 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Month
Snow |
|
T |
|
0.0 |
|
1.2 |
|
-1.2 |
|
12.5 |
|
in |
2018 |
|
0.0 |
|
in |
2020 |
|
|
|
|
|
|
|
|
|
| Season
Snow |
|
8.0 |
|
8.4 |
|
8.3 |
|
-0.3 |
|
31.1 |
|
in |
1905 |
|
T |
|
in |
2000 |
|
|
|
|
|
|
|
|
|
| Snow Depth |
|
0 |
|
0 |
|
|
|
|
|
19 |
|
in |
1948 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| HDD |
|
30 |
|
22 |
|
32 |
|
-2 |
|
61 |
|
in |
1904 |
|
11 |
|
in |
1950 |
|
|
|
|
|
|
|
|
|
| Month HDD |
|
115 |
|
93 |
|
127 |
|
-12 |
|
230 |
|
in |
1918 |
|
71 |
|
in |
2000 |
|
|
|
|
|
|
|
|
|
| Season
HDD |
|
1995 |
|
1973 |
|
2007 |
|
-12 |
|
2677 |
|
in |
1918 |
|
1443 |
|
in |
2016 |
|
|
|
|
|
|
|
|
|
| CDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
0 |
|
in |
|
0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Month CDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
0 |
|
in |
|
|
0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Year CDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
0 |
|
in |
|
|
0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Maximum Dew Point |
|
34 |
|
45 |
|
32 |
|
+2 |
|
57 |
|
in |
2000 |
|
7 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
| Minimum
Dew Point |
|
28 |
|
39 |
|
17 |
|
+11 |
|
46 |
|
in |
1950 |
|
-24 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
31 |
|
42 |
|
25 |
|
+6 |
|
50 |
|
in |
2000 |
|
-9 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
| Month Avg Max Dew Point |
|
31.4 |
|
32.4 |
|
32.6 |
|
-1.3 |
|
41.0 |
|
in |
1979 |
|
14.3 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
| Month Avg
Min Dew Point |
|
25.8 |
|
32.0 |
|
17.0 |
|
+8.7 |
|
36.3 |
|
in |
2000 |
|
-10.8 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
| Month Average Dew Point |
|
28.8 |
|
36.8 |
|
24.8 |
|
+3.9 |
|
43.3 |
|
in |
2000 |
|
1.8 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
| Maximum Humidity |
|
96% |
|
98% |
|
88% |
|
+8% |
|
100% |
|
in |
2017 |
|
44% |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
| Minimum
Humidity |
|
76% |
|
91% |
|
62% |
|
+14% |
|
91% |
|
in |
2020 |
|
25% |
|
in |
2002 |
|
|
|
|
|
|
|
|
|
| Average Humidity |
|
86% |
|
95% |
|
76% |
|
+10% |
|
95% |
|
in |
2015 |
|
37% |
|
in |
1965 |
|
|
|
|
|
|
|
|
|
| Maximum Barometer |
|
29.96 |
|
29.80 |
|
30.11 |
|
-00.15 |
|
30.86 |
|
in |
1983 |
|
29.60 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
| Minimum
Barometer |
|
29.90 |
|
29.43 |
|
29.76 |
|
+00.14 |
|
30.38 |
|
in |
2008 |
|
28.79 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
| Average Barometer |
|
29.93 |
|
29.62 |
|
29.94 |
|
-00.01 |
|
30.53 |
|
in |
1983 |
|
29.43 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
| Average Wind |
|
8.9 |
|
4.9 |
|
8.4 |
|
+0.5 |
|
19.4 |
|
in |
1951 |
|
1.9 |
|
in |
1997 |
|
|
|
|
|
|
|
|
|
| Direction |
|
N |
|
N |
|
W |
|
|
|
SSW |
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
| High Wind Gust |
|
27 |
|
21 |
|
28 |
|
-1 |
|
56 |
|
in |
1944 |
|
10 |
|
in |
1956 |
|
|
|
|
|
|
|
|
|
| Direction |
|
N |
|
NNW |
|
WNW |
|
|
|
NE |
|
|
|
|
SW |
|
|
|
|
|
|
|
|
|
|
|
|
| High Heat Index |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Wind Chill |
|
25 |
|
33 |
|
19 |
|
+6 |
|
|
|
|
|
|
-38 |
|
in |
1904 |
|
|
|
|
|
|
|
|
|
| Maximum Water Temp |
|
44.4 |
|
39.5 |
|
41.9 |
|
+2.5 |
|
48.9 |
|
in |
2007 |
|
36.1 |
|
in |
2001 |
|
|
|
|
|
|
|
|
|
| Minimum
Water Temp |
|
43.5 |
|
37.4 |
|
39.9 |
|
+3.6 |
|
47.7 |
|
in |
2007 |
|
33.2 |
|
in |
2008 |
|
|
|
|
|
|
|
|
|
| Average Water Temp |
|
44.0 |
|
38.5 |
|
40.9 |
|
+3.0 |
|
48.3 |
|
in |
2007 |
|
35.3 |
|
in |
2001 |
|
|
|
|
|
|
|
|
|
| Sunrise/ AM Twilight |
|
7:11:39 AM |
|
6:40:41 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sunset /
PM Twilight |
|
4:29:46 PM |
|
5:00:44 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Length Of Day |
|
9:18:07 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Special Conditions |
|
Fog |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Comments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hour-by-Hour Weather For January 4, 2021 |
|
|
|
|
| Climate Weather for January 4 |
|
|
|
|
| Weather History For January 4 |
|
|
|
|
| Weather Calendar |
|
|
|
| Back To Weather Stat Page |
|
|
|
| Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|