Climatological Report (Daily)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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CDUS41 KGYX 130810
CLIPWM
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
410 AM EDT SAT SEP 13 2025
...................................
...THE PORTLAND ME CLIMATE SUMMARY FOR SEPTEMBER 12 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1941 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 69 1:01 PM 91 1947 73 -4 74
1961
MINIMUM 52 11:59 PM 36 1958 54 -2 47
AVERAGE 61 63 -2 61
PRECIPITATION (IN)
YESTERDAY 0.00 2.44 1960 0.12 -0.12 0.00
MONTH TO DATE 0.86 1.35 -0.49 0.01
SINCE SEP 1 0.86 1.35 -0.49 0.01
SINCE JAN 1 26.85 31.70 -4.85 35.77
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0
2001
2002
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 4 4 0 4
MONTH TO DATE 37 30 7 37
SINCE SEP 1 37 30 7 37
SINCE JUL 1 68 56 12 55
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 13 28 -15 9
SINCE SEP 1 13 28 -15 9
SINCE JAN 1 419 429 -10 505
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SE (150)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 5.4
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 11:00 PM
LOWEST 40 12:00 PM
AVERAGE 67
..........................................................
THE PORTLAND ME CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 86 1952
1957
MINIMUM TEMPERATURE (F) 53 34 1954
SUNRISE AND SUNSET
SEPTEMBER 13 2025.....SUNRISE 6:19 AM EDT SUNSET 6:55 PM EDT
SEPTEMBER 14 2025.....SUNRISE 6:20 AM EDT SUNSET 6:53 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$