Annual
Climatology: Portland, ME (PWM)
Elev: 13.7 m Lat: 43o 39'N Long: 70o 18'W
Figure 1: Average Temperatures and Precipitation 1971-2000. (NCDC Data)
Annual
Climatology: Portland, ME (PWM)
Elev: 13.7 m Lat: 43o 39'N Long: 70o 18'W
Figure 1: Average Temperatures and Precipitation 1971-2000. (NCDC Data)
|
Month |
Daily Max |
Daily Min |
Mean |
Maximum Daily Temperature |
Minimum Daily Temperature |
|
January |
-0.6 |
-10.8 |
-5.7 |
17.8 |
-32.2 |
|
February |
1.2 |
-9.1 |
-4.0 |
17.8 |
-31.7 |
|
March |
5.7 |
-3.8 |
0.9 |
31.1 |
-29.4 |
|
April |
11.6 |
1.5 |
6.5 |
31.7 |
-13.3 |
|
May |
17.4 |
6.8 |
12.1 |
35.6 |
-5.0 |
|
June |
22.7 |
11.6 |
17.2 |
36.7 |
0.6 |
|
July |
26.0 |
14.8 |
20.4 |
37.8 |
4.4 |
|
August |
25.2 |
14.0 |
19.6 |
39.4 |
0.6 |
|
September |
20.5 |
9.2 |
14.8 |
35.6 |
-5.0 |
|
October |
14.4 |
3.0 |
8.7 |
31.1 |
-9.4 |
|
November |
8.4 |
-1.4 |
3.5 |
23.3 |
-16.1 |
|
December |
2.4 |
-7.4 |
-2.4 |
21.7 |
-29.4 |
|
Annual |
12.9 |
2.4 |
7.6 |
39.4 |
-32.2 |
|
Month |
Mean |
Median |
Extreme |
Year |
Snow* |
|
January |
103.9 |
112.3 |
302.8 |
1979 |
530.9 |
|
February |
79.8 |
72.6 |
180.3 |
1981 |
325.1 |
|
March |
105.2 |
104.4 |
247.7 |
1983 |
340.4 |
|
April |
108.2 |
95.8 |
251.5 |
1973 |
83.8 |
|
May |
97.0 |
95.3 |
244.9 |
1984 |
Tr |
|
June |
83.3 |
79.2 |
228.9 |
1998 |
0.0 |
|
July |
84.3 |
77.0 |
190.0 |
1976 |
0.0 |
|
August |
77.5 |
64.3 |
386.6 |
1991 |
0.0 |
|
September |
85.6 |
77.7 |
223.3 |
1999 |
Tr |
|
October |
111.8 |
91.7 |
427.5 |
1996 |
2.5 |
|
November |
119.9 |
105.7 |
342.9 |
1983 |
81.3 |
|
December |
107.7 |
95.3 |
243.1 |
1973 |
345.4 |
|
Annual |
1164.1 |
1107.2 |
|
|
1709.4 |
* Snowfall totals represent
mean snowfall 1971-2000
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