| Portsmouth Rhode Island Weather Almanac |
|
|
|
|
|
|
|
|
|
| Sunday, March
16, 2025 |
|
|
|
|
|
|
|
|
|
| Dense Fog
early, Partly Cloudy Day to Cloudy, Light Rain PM, Much Warmer |
|
|
|
|
|
|
|
|
|
| |
|
Climate
Normal Period |
Climate Record Period |
|
|
|
|
|
|
|
|
| |
|
1991 -
2020 |
1893 - 2025 |
|
|
|
|
|
|
|
|
| |
|
March 16, 2025 |
|
Record |
|
Record |
|
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
2025 |
|
2024 |
|
Norm |
|
Depart |
|
Highest |
|
Lowest |
|
|
|
|
|
|
|
|
|
| Maximum Temperature |
|
58 |
|
53 |
|
46 |
|
+12 |
|
58 |
|
in |
2025 |
|
28 |
|
in |
1916 |
|
|
|
|
|
|
|
|
|
| Minimum
Temperature |
|
43 |
|
37 |
|
31 |
|
+12 |
|
45 |
|
in |
2000 |
|
13 |
|
in |
1932 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
51 |
|
45 |
|
38 |
|
+13 |
|
51 |
|
in |
2025 |
|
22 |
|
in |
1916 |
|
|
|
|
|
|
|
|
|
| Month Avg Max Temperature |
|
48.3 |
|
50.9 |
|
44.9 |
|
+3.4 |
|
51.8 |
|
in |
1973 |
|
32.7 |
|
in |
1916 |
|
|
|
|
|
|
|
|
|
| Month Avg
Min Temperature |
|
31.4 |
|
35.9 |
|
31.8 |
|
-0.4 |
|
37.3 |
|
in |
1973 |
|
19.6 |
|
in |
1950 |
|
|
|
|
|
|
|
|
|
| Month Average
Temperature |
|
40.2 |
|
43.6 |
|
38.3 |
|
+1.9 |
|
44.9 |
|
in |
1973 |
|
27.1 |
|
in |
1916 |
|
|
|
|
|
|
|
|
|
| High Heat Index |
|
76 |
|
|
|
|
|
|
|
76 |
|
in |
2024 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Low Wind
Chill |
|
39 |
|
35 |
|
21 |
|
+18 |
|
|
|
|
|
|
-1 |
|
in |
1992 |
|
|
|
|
|
|
|
|
|
| Heating Degree Days |
|
14 |
|
20 |
|
27 |
|
-13 |
|
43 |
|
in |
1916 |
|
14 |
|
in |
2025 |
|
|
|
|
|
|
|
|
|
| Month Heating DD |
|
397 |
|
343 |
|
460 |
|
-63 |
|
607 |
|
in |
1916 |
|
322 |
|
in |
1973 |
|
|
|
|
|
|
|
|
|
| Season
Heating DD |
|
4059 |
|
3890 |
|
4286 |
|
-227 |
|
5337 |
|
in |
1905 |
|
3532 |
|
in |
2016 |
|
|
|
|
|
|
|
|
|
| Cooling Degree Days |
|
0 |
|
0 |
|
#REF! |
|
#REF! |
|
0 |
|
in |
1900 |
|
0 |
|
in |
All |
|
|
|
|
|
|
|
|
|
| Month Cooling DD |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Year Cooling DD |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Maximum Dew Point |
|
55 |
|
43 |
|
35 |
|
+20 |
|
55 |
|
in |
2025 |
|
3 |
|
in |
1992 |
|
|
|
|
|
|
|
|
|
| Minimum
Dew Point |
|
43 |
|
36 |
|
20 |
|
+23 |
|
43 |
|
in |
2025 |
|
-10 |
|
in |
1980 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
49 |
|
40 |
|
28 |
|
+21 |
|
49 |
|
in |
2025 |
|
2 |
|
in |
1992 |
|
|
|
|
|
|
|
|
|
| Month Avg Max Dew Point |
|
36.4 |
|
42.9 |
|
33.1 |
|
+3.3 |
|
42.9 |
|
in |
2024 |
|
19.2 |
|
in |
1960 |
|
|
|
|
|
|
|
|
|
| Month Avg
Min Dew Point |
|
22.1 |
|
31.1 |
|
18.1 |
|
+4.1 |
|
31.1 |
|
in |
2024 |
|
2.9 |
|
in |
1980 |
|
|
|
|
|
|
|
|
|
| Month Average Dew Point |
|
29.4 |
|
37.0 |
|
25.9 |
|
+3.5 |
|
37.0 |
|
in |
2024 |
|
13.7 |
|
in |
1960 |
|
|
|
|
|
|
|
|
|
| Precipitation |
|
.03 |
|
.00 |
|
.14 |
|
-.11 |
|
1.76 |
|
in |
1900 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| One Hour
Rain |
|
.03 |
|
.00 |
|
|
|
|
|
.44 |
|
in |
1953 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Half Hour
Rain |
|
.03 |
|
.00 |
|
|
|
|
|
.12 |
|
in |
2011 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hourly Rain Rate |
|
.17 |
|
.00 |
|
|
|
|
|
.62 |
|
in |
2011 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Month Precipitation |
|
.45 |
|
5.03 |
|
2.15 |
|
-1.70 |
|
5.49 |
|
in |
1983 |
|
.04 |
|
in |
1915 |
|
|
|
|
|
|
|
|
|
| Year Precipitation |
|
5.63 |
|
14.59 |
|
9.25 |
|
-3.62 |
|
19.20 |
|
in |
1979 |
|
4.43 |
|
in |
1980 |
|
|
|
|
|
|
|
|
|
| Snow |
|
0.0 |
|
0.0 |
|
0.2 |
|
-0.2 |
|
7.2 |
|
in |
1896 |
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Snow Depth |
|
0 |
|
0 |
|
0.4 |
|
-0.4 |
|
9 |
|
in |
1999 |
|
0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Month Snow |
|
0.0 |
|
T |
|
3.4 |
|
-3.4 |
|
20.3 |
|
in |
1916 |
|
0.0 |
|
in |
2025 |
|
|
|
|
|
|
|
|
|
| Season Snow |
|
11.9 |
|
12.7 |
|
30.7 |
|
-18.8 |
|
75.0 |
|
in |
2005 |
|
4.7 |
|
in |
1998 |
|
|
|
|
|
|
|
|
|
| |
|
March
16, 2025 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
2025 |
|
2024 |
|
Norm |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Maximum Humidity |
|
100% |
|
96% |
|
83% |
|
+17% |
|
100% |
|
in |
2025 |
|
46% |
|
in |
1980 |
|
|
|
|
|
|
|
|
|
| Minimum
Humidity |
|
83% |
|
66% |
|
47% |
|
+36% |
|
83% |
|
in |
2025 |
|
17% |
|
in |
2021 |
|
|
|
|
|
|
|
|
|
| Average Humidity |
|
92% |
|
81% |
|
65% |
|
+27% |
|
92% |
|
in |
2025 |
|
33% |
|
in |
1980 |
|
|
|
|
|
|
|
|
|
| Maximum Barometer |
|
30.11 |
|
29.84 |
|
30.08 |
|
+00.03 |
|
30.82 |
|
in |
1993 |
|
29.38 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
| Minimum
Barometer |
|
29.92 |
|
29.75 |
|
29.79 |
|
+00.13 |
|
30.51 |
|
in |
1993 |
|
29.08 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
| Average Barometer |
|
30.02 |
|
29.80 |
|
29.94 |
|
+00.08 |
|
30.67 |
|
in |
1993 |
|
29.23 |
|
in |
1981 |
|
|
|
|
|
|
|
|
|
| Average
Wind |
|
12.7 |
|
7.2 |
|
8.6 |
|
+4.1 |
|
20.6 |
|
in |
1956 |
|
3.0 |
|
in |
2012 |
|
|
|
|
|
|
|
|
|
| Direction |
|
S |
|
SSW |
|
WNW |
|
|
|
NE |
|
|
|
|
SE |
|
|
|
|
|
|
|
|
|
|
|
|
| High Wind
Gust |
|
37 |
|
24 |
|
27 |
|
+10 |
|
62 |
|
in |
1956 |
|
12 |
|
in |
2012 |
|
|
|
|
|
|
|
|
|
| Direction |
|
S |
|
SSW |
|
WNW |
|
|
|
NE |
|
|
|
|
ESE |
|
|
|
|
|
|
|
|
|
|
|
|
| Maximum Water Temp |
|
44.1 |
|
45.5 |
|
40.6 |
|
+3.5 |
|
45.5 |
|
in |
2024 |
|
36.4 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Minimum
Water Temp |
|
42.3 |
|
42.4 |
|
38.6 |
|
+3.7 |
|
44.6 |
|
in |
2012 |
|
34.4 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Average Water Temp |
|
43.2 |
|
44.0 |
|
39.6 |
|
+3.6 |
|
45.0 |
|
in |
2012 |
|
35.4 |
|
in |
2015 |
|
|
|
|
|
|
|
|
|
| Sunrise/ AM Twilight |
|
6:54:38 AM |
|
6:25:44 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sunset /
PM Twilight |
|
6:53:09 PM |
|
7:21:22 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Length Of Day |
|
11:58:31 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Special
Conditions |
|
Dense Fog |
|
|
|
|
|
|
|
|
|
| Comments |
|
Numerous High Records Set |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hour-by-Hour Weather For March 16, 2025 |
|
|
|
|
|
|
|
|
|
| Climate Weather for March 16 |
|
|
|
|
|
|
|
|
|
| Weather History For March 16 |
|
|
|
|
|
|
|
|
|
| Weather Calendar |
|
|
|
|
|
|
|
|
| Back To Weather Stat Page |
|
|
|
|
|
|
|
|
| Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|