Climatological Report (Monthly)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
190
CXUS51 KGYX 020948
CLMPWM
PWMCLMPWM 000
TTAA00 GYX 020941
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
541 AM EDT WED OCT 02 2024
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...THE PORTLAND ME CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1941 TO 2024 (FOR TEMPERATURE)
CLIMATE RECORD PERIOD: 1871 TO 2024 (FOR PRECIPITATION)
CLIMATE RECORD PERIOD: 1882 TO 2024 (FOR SNOWFALL)
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 95 09/11/1983
09/07/1945
LOW 23 09/30/1941
HIGHEST 83 09/17 86 -3 88 09/05
LOWEST 43 09/11 37 6 43 09/27
09/29
AVG. MAXIMUM 72.3 71.1 1.2 72.8
AVG. MINIMUM 51.9 52.1 -0.2 55.4
MEAN 62.1 61.6 0.5 64.1
DAYS MAX >= 90 0 0.5 -0.5 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.1 -0.1 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.84 2008
MINIMUM 0.30 1948
TOTALS 1.93 3.77 -1.84 4.91
DAILY AVG. 0.06 0.13 -0.07 0.16
DAYS >= .01 4 9.3 -5.3 8
DAYS >= .10 2 5.3 -3.3 6
DAYS >= .50 1 2.3 -1.3 3
DAYS >= 1.00 1 1.0 0.0 1
GREATEST
24 HR. TOTAL 1.77 09/26
SNOWFALL (INCHES)
RECORDS
TOTAL T 1992
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
DAYS >= 1.0 0 0.0 0.0
GREATEST
SNOW DEPTH 0
24 HR TOTAL 0
DEGREE DAYS
HEATING TOTAL 100 145 -45 100
SINCE 7/1 118 173 -55 119
COOLING TOTAL 21 43 -22 80
SINCE 1/1 517 444 73 422
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WIND (MPH)
AVERAGE WIND SPEED 5.5
HIGHEST WIND SPEED/DIRECTION 24/280 DATE 09/08
HIGHEST GUST SPEED/DIRECTION 35/280 DATE 09/08
SKY COVER
AVERAGE SKY COVER 0.42
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 HEAVY RAIN 1
RAIN 1 LIGHT RAIN 7
FREEZING RAIN 0 LT FREEZING RAIN 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 FOG 8
FOG W/VIS <= 1/4 MILE 3 HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
NO RECORDS WERE SET OR TIED DURING THE MONTH OF SEPTEMBER.
$$