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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
622 AM EDT FRI SEP 05 2025
...............................
...THE PORTLAND ME CLIMATE SUMMARY FOR THE SPRING SEASON,
FROM 6/1/2025 TO 8/31/2025...
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 103 08/02/1975
LOW 33 08/31/1965
06/04/1944
HIGHEST 99 06/24 93 6 94 06/20
LOWEST 44 06/15 42 2 45 06/02
AVG. MAXIMUM 77.8 77.3 0.5 78.2
AVG. MINIMUM 58.0 58.6 -0.6 60.1
MEAN 67.9 68.0 -0.1 69.1
DAYS MAX >= 90 7 4.2 2.8 4
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 22.31 2009
MINIMUM 4.10 1999
TOTALS 5.23 11.15 -5.92 10.10
DAILY AVG. 0.06 0.12 -0.06 0.11
DAYS >= .01 23 31.9 -8.9 36
DAYS >= .10 12 18.8 -6.8 23
DAYS >= .50 3 6.7 -3.7 8
DAYS >= 1.00 1 2.6 -1.6 2
GREATEST
24 HR. TOTAL 1.22 07/20
SNOWFALL (INCHES)
RECORDS
TOTAL
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 0.0
SNOWDEPTH AVG. 0
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0
24 HR TOTAL 0.0
DEGREE DAYS
HEATING TOTAL 120 115 5 70
SINCE 7/1 31 21 10 18
COOLING TOTAL 406 390 16 476
SINCE 1/1 406 401 5 496
............................................................
WIND (MPH)
AVERAGE WIND SPEED 6.1
HIGHEST WIND SPEED/DIRECTION 35/290 DATE 06/24
HIGHEST GUST SPEED/DIRECTION 50/300 DATE 06/24
SKY COVER
AVERAGE SKY COVER 0.42
AVERAGE RH (PERCENT) 74
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 11 HEAVY RAIN 3
RAIN 9 LIGHT RAIN 27
FREEZING RAIN 0 LT FREEZING RAIN 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 FOG 40
FOG W/VIS <= 1/4 MILE 9 HAZE 8
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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