Climatological Report (Seasonal)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
432
CXUS51 KGYX 040132
CLSPWM
PWMCLSPWM 000
TTAA00 GYX 040004
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
704 PM EST MON MAR 03 2025
...................................
...THE PORTLAND ME CLIMATE SUMMARY FOR THE WINTER SEASON, FROM
12/1/2024 TO 2/28/2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1941 TO 2025 (FOR TEMPERATURE)
CLIMATE RECORD PERIOD: 1871 TO 2025 (FOR PRECIPITATION)
CLIMATE RECORD PERIOD: 1882 TO 2025 (FOR SNOWFALL)
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 71 12/06/2001
12/07/1998
LOW -39 02/16/1943
HIGHEST 56 12/11 59 -3 59 12/18
12/17
LOWEST -7 01/22 -10 3 6 01/22
AVG. MAXIMUM 33.4 35.2 -1.8 38.5
AVG. MINIMUM 16.4 18.4 -2.0 23.6
MEAN 24.9 26.8 -1.9 31.0
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 44 35.3 8.7 21
DAYS MIN <= 32 86 82.1 3.9 76
DAYS MIN <= 0 6 6.3 -0.3 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 20.49 1935
MINIMUM 4.12 1872
TOTALS 10.34 11.54 -1.20 15.26
DAILY AVG. 0.12 0.13 -0.01 0.17
DAYS >= .01 31 33.7 -2.7 26
DAYS >= .10 21 21.2 -0.2 20
DAYS >= .50 6 7.9 -1.9 10
DAYS >= 1.00 1 3.0 -2.0 5
GREATEST
24 HR. TOTAL 2.34 12/11 TO 12/12
SNOWFALL (INCHES)
RECORDS
TOTAL 107.6 1971
TOTALS 48.6 49.8 -1.2 24.1
SINCE 7/1 48.6 52.3 -3.7 24.3
SNOWDEPTH AVG. 5
DAYS >= TRACE 30 20.6 9.4 24
DAYS >= 1.0 15 12.1 2.9 5
GREATEST
SNOW DEPTH 20 02/17
24 HR TOTAL 10.1 02/08 TO 02/09
DEGREE DAYS
HEATING TOTAL 3580 3433 147 3064
SINCE 7/1 4775 4810 -35 4333
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 0
................................................................
WIND (MPH)
AVERAGE WIND SPEED 7.8
HIGHEST WIND SPEED/DIRECTION 41/290 DATE 02/14
HIGHEST GUST SPEED/DIRECTION 55/320 DATE 02/14
SKY COVER
AVERAGE SKY COVER 0.51
AVERAGE RH (PERCENT) 68
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 HEAVY RAIN 4
RAIN 10 LIGHT RAIN 17
FREEZING RAIN 1 LT FREEZING RAIN 5
HEAVY SNOW 2 SNOW 9
LIGHT SNOW 30 FOG 38
FOG W/VIS <= 1/4 MILE 7 HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$