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CXUS51 KGYX 031953 CCA
CLMPWM
PWMCLMPWM 000
TTAA00 GYX 021645
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
1245 PM EDT TUE JUN 02 2026
...............................
..THE PORTLAND ME CLIMATE SUMMARY FOR THE MONTH OF MAY 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1941 TO 2026 (FOR TEMPERATURE)
CLIMATE RECORD PERIOD: 1871 TO 2026 (FOR PRECIPITATION)
CLIMATE RECORD PERIOD: 1882 TO 2026 (FOR SNOWFALL)
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 94 05/31/1987
LOW 23 05/09/1956
HIGHEST 92 05/19 84 8 78 05/27
05/28
LOWEST 36 05/08 32 4 36 05/01
05/09
05/13
AVG. MAXIMUM 65.4 64.2 1.2 61.7
AVG. MINIMUM 45.5 45.5 -0.0 46.8
MEAN 55.5 54.9 0.6 54.3
DAYS MAX >= 90 1 0.4 0.6 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.7 -0.7 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 12.34 2006
MINIMUM 0.49 1965
TOTALS 7.02 3.67 3.35 6.61
DAILY AVG. 0.23 0.12 0.11 0.21
DAYS >= .01 13 12.5 0.5 16
DAYS >= .10 11 7.1 3.9 13
DAYS >= .50 5 2.5 2.5 6
DAYS >= 1.00 3 0.7 2.3 1
GREATEST
24 HR. TOTAL 3.08 05/14 TO 05/15
SNOWFALL (INCHES)
RECORDS
TOTAL 7.0 1945
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 63.7 68.7 -5.0 54.1
SNOWDEPTH AVG. 0
DAYS >= TRACE 0 0.0 0.0
DAYS >= 1.0 0 0.0 0.0
GREATEST
SNOW DEPTH 0
24 HR TOTAL 0
DEGREE DAYS
HEATING TOTAL 322 325 -3 327
SINCE 7/1 6962 6705 257 6590
COOLING TOTAL 32 10 22 0
SINCE 1/1 32 11 21 0
............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.9
HIGHEST WIND SPEED/DIRECTION 30/080 DATE 05/30
HIGHEST GUST SPEED/DIRECTION 45/090 DATE 05/30
SKY COVER
AVERAGE SKY COVER 0.60
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 HEAVY RAIN 2
RAIN 6 LIGHT RAIN 14
FREEZING RAIN 0 LT FREEZING RAIN 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 FOG 12
FOG W/VIS <= 1/4 MILE 1 HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
..THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN MAY 2026
DATE RECORD PREVIOUS
MAY 14 1.98 - GREATEST PRECIPITATION - 0.70 IN 1964, 1893
MAY 17 61 - WARMEST LOW TEMPERATURE - 54 IN 2022, 1977
MAY 19 43 - GREATEST TEMPERATURE RANGE - 36 IN 1962
MAY 19 92 - WARMEST HIGH TEMPERATURE - 86 IN 1949
MAY 20 89 - WARMEST HIGH TEMPERATURE - 86 IN 1959
MAY 20 62 - WARMEST LOW TEMPERATURE - 60 IN 1982
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