| Portsmouth Rhode Island
Weather Almanac |
|
|
|
|
|
|
|
|
| Monday, September 2, 2019 |
|
|
|
|
|
|
|
|
| Partly Cloudy to Cloudy PM, Seasonal Temperatures |
|
|
|
|
|
|
|
|
| Climate
Normal Period |
|
Climate Record Period |
|
|
|
|
|
|
|
|
|
| 1981- 2010 |
|
1893 - 2019 |
|
|
|
|
|
|
|
|
|
| |
|
September
2, 2019 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Observed Daily Data |
|
Observed |
|
2018 |
|
Normal |
|
Depart |
|
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Maximum Temperature |
|
75 |
|
77 |
|
76 |
|
-1 |
|
93 |
|
in |
1953 |
|
63 |
|
in |
2003 |
|
|
|
|
|
|
|
|
|
| Minimum
Temperature |
|
58 |
|
60 |
|
61 |
|
-3 |
|
72 |
|
in |
1959 |
|
46 |
|
in |
1991 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
67 |
|
69 |
|
68 |
|
-1 |
|
81 |
|
in |
1953 |
|
57 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
| Precipitation |
|
.00 |
|
.00 |
|
.13 |
|
-.13 |
|
2.50 |
|
in |
2002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| One
Hour |
|
.00 |
|
.00 |
|
|
|
|
|
1.21 |
|
in |
2000 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Snow |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Snow Depth |
|
0 |
|
0 |
|
|
|
|
|
|
|
in |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| HDD |
|
0 |
|
0 |
|
1 |
|
-1 |
|
8 |
|
in |
2017 |
|
0 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| CDD |
|
2 |
|
4 |
|
4 |
|
-2 |
|
16 |
|
in |
1953 |
|
0 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
| Maximum Dew Point |
|
69 |
|
69 |
|
64 |
|
+5 |
|
77 |
|
in |
2014 |
|
47 |
|
in |
1970 |
|
|
|
|
|
|
|
|
|
| Minimum
Dew Point |
|
57 |
|
59 |
|
55 |
|
+2 |
|
71 |
|
in |
1959 |
|
35 |
|
in |
1991 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
63 |
|
64 |
|
59 |
|
+4 |
|
74 |
|
in |
2014 |
|
43 |
|
in |
1967 |
|
|
|
|
|
|
|
|
|
| Maximum Humidity |
|
95% |
|
96% |
|
92% |
|
+3% |
|
100% |
|
in |
2014 |
|
75% |
|
in |
1984 |
|
|
|
|
|
|
|
|
|
| Minimum
Humidity |
|
72% |
|
65% |
|
58% |
|
+14% |
|
93% |
|
in |
1976 |
|
30% |
|
in |
1960 |
|
|
|
|
|
|
|
|
|
| Average Humidity |
|
84% |
|
81% |
|
75% |
|
+8% |
|
97% |
|
in |
1976 |
|
55% |
|
in |
1970 |
|
|
|
|
|
|
|
|
|
| Maximum Barometer |
|
30.28 |
|
30.31 |
|
30.11 |
|
+00.17 |
|
30.55 |
|
in |
1991 |
|
29.74 |
|
in |
1952 |
|
|
|
|
|
|
|
|
|
| Minimum
Barometer |
|
29.96 |
|
30.22 |
|
29.91 |
|
+00.05 |
|
30.23 |
|
in |
2009 |
|
29.59 |
|
in |
1966 |
|
|
|
|
|
|
|
|
|
| Average Barometer |
|
30.12 |
|
30.27 |
|
30.01 |
|
+00.11 |
|
30.37 |
|
in |
1991 |
|
29.67 |
|
in |
1952 |
|
|
|
|
|
|
|
|
|
| Average Wind |
|
6.8 |
|
3.5 |
|
6.2 |
|
+0.6 |
|
16.1 |
|
in |
1996 |
|
1.6 |
|
in |
1955 |
|
|
|
|
|
|
|
|
|
| Direction |
|
SE |
|
SSW |
|
SW |
|
|
|
N |
|
|
|
|
NE |
|
|
|
|
|
|
|
|
|
|
|
|
| High Wind Gust |
|
19 |
|
14 |
|
21 |
|
-2 |
|
46 |
|
in |
1996 |
|
10 |
|
in |
1955 |
|
|
|
|
|
|
|
|
|
| Direction |
|
S |
|
SSE |
|
SW |
|
|
|
N |
|
|
|
|
NE |
|
|
|
|
|
|
|
|
|
|
|
|
| High
Heat Index |
|
77 |
|
79 |
|
77 |
|
-0 |
|
97 |
|
in |
1953 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Wind Chill |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Maximum Water Temp |
|
70.2 |
|
73.4 |
|
70.7 |
|
-0.5 |
|
76.6 |
|
in |
2002 |
|
65.5 |
|
in |
2003 |
|
|
|
|
|
|
|
|
|
| Minimum
Water Temp |
|
68.5 |
|
70.9 |
|
68.1 |
|
+0.4 |
|
74.1 |
|
in |
2010 |
|
64.9 |
|
in |
2003 |
|
|
|
|
|
|
|
|
|
| Average Water Temp |
|
69.4 |
|
72.2 |
|
69.5 |
|
-0.1 |
|
75.2 |
|
in |
2010 |
|
65.2 |
|
in |
2003 |
|
|
|
|
|
|
|
|
|
| Sunrise/ AM Twilight |
|
6:13:17 AM |
|
5:45:01 AM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Sunset /
PM Twilight |
|
7:16:02 PM |
|
7:44:18 PM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Length Of Day |
|
13:02:45 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Special Conditions |
|
None |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Comments |
|
|
|
|
|
|
|
|
|
|
|
| |
|
September
2, 2019 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Month-to-Date Summary |
|
Observed |
|
2018 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Avg Maximum Temperature |
|
76.0 |
|
77.0 |
|
76.0 |
|
+0.0 |
|
90.5 |
|
in |
1953 |
|
64.5 |
|
in |
1912 |
|
|
|
|
|
|
|
|
|
| Avg
Minimum Temperature |
|
57.5 |
|
60.5 |
|
61.0 |
|
-3.5 |
|
72.5 |
|
in |
1959 |
|
48.0 |
|
in |
1991 |
|
|
|
|
|
|
|
|
|
| Average Temperature |
|
66.8 |
|
68.8 |
|
68.5 |
|
-1.8 |
|
80.0 |
|
in |
1898 |
|
58.0 |
|
in |
1991 |
|
|
|
|
|
|
|
|
|
| Total
Precipitation |
|
.00 |
|
.00 |
|
.26 |
|
-.26 |
|
2.80 |
|
in |
1982 |
|
.00 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
| Total Snow |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
|
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Total
HDD |
|
0 |
|
0 |
|
0 |
|
+0 |
|
14 |
|
in |
1912 |
|
0 |
|
in |
2019 |
|
|
|
|
|
|
|
|
|
| Total CDD |
|
4 |
|
8 |
|
0 |
|
+4 |
|
31 |
|
in |
1898 |
|
0 |
|
in |
2017 |
|
|
|
|
|
|
|
|
|
| Avg Maximum Dew Point |
|
65.0 |
|
69.5 |
|
63.9 |
|
+1.2 |
|
76.0 |
|
in |
2014 |
|
46.0 |
|
in |
1970 |
|
|
|
|
|
|
|
|
|
| Avg
Minimum Dew Point |
|
55.0 |
|
56.0 |
|
54.8 |
|
+0.2 |
|
71.5 |
|
in |
1959 |
|
34.5 |
|
in |
1991 |
|
|
|
|
|
|
|
|
|
| Average Dew Point |
|
60.0 |
|
63.0 |
|
59.3 |
|
+0.7 |
|
73.0 |
|
in |
2014 |
|
42.0 |
|
in |
1991 |
|
|
|
|
|
|
|
|
|
| |
|
September 2, 2019 |
|
|
Record |
Record |
|
|
|
|
|
|
|
|
| Year-to-Date Summary |
|
Observed |
|
2018 |
|
Normal |
Depart |
Highest |
Lowest |
|
|
|
|
|
|
|
|
| Total Precipitation |
|
37.83 |
|
28.84 |
|
31.75 |
|
+6.08 |
|
45.30 |
|
in |
1998 |
|
16.54 |
|
in |
1957 |
|
|
|
|
|
|
|
|
|
| Total
Snow (since Jul 1 19) |
|
0.0 |
|
0.0 |
|
0.0 |
|
+0.0 |
|
0.0 |
|
in |
|
|
0.0 |
|
in |
|
|
|
|
|
|
|
|
|
|
| Total HDD (since Jul 1
19) |
|
3 |
|
0 |
|
11 |
|
-8 |
|
42 |
|
in |
1905 |
|
0 |
|
in |
2018 |
|
|
|
|
|
|
|
|
|
| Total
CDD (since Jan 1) |
|
662 |
|
656 |
|
506 |
|
+156 |
|
721 |
|
in |
2010 |
|
266 |
|
in |
1902 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Hour-by-Hour Weather For September 2, 2019 |
|
|
|
| Climate Weather for September 2 |
|
|
|
| Weather History For September 2 |
|
|
|
| Weather Calendar |
|
|
|
| Back To Weather Stat Page |
|
|
|
| Home |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|