Climatological Report (Daily)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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CDUS41 KGYX 170831
CLIPWM
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
431 AM EDT SAT MAY 17 2025
...................................
...THE PORTLAND ME CLIMATE SUMMARY FOR MAY 16 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 68 3:45 PM 90 1951 64 4 67
MINIMUM 53 11:59 PM 28 1947 46 7 48
AVERAGE 61 55 6 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.52 1978 0.11 -0.11 T
MONTH TO DATE 4.37 1.90 2.47 0.85
SINCE MAR 1 13.36 10.39 2.97 16.22
SINCE JAN 1 18.52 17.43 1.09 24.81
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 MAR 1 5.5 16.4 -10.9 13.7
SINCE JUL 1 54.1 68.7 -14.6 38.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 4 10 -6 7
MONTH TO DATE 184 200 -16 217
SINCE MAR 1 1672 1769 -97 1662
SINCE JUL 1 6447 6580 -133 5995
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 1 -1 0
SINCE JAN 1 0 1 -1 0
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SE (130)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 81 5:00 PM
AVERAGE 91
..........................................................
THE PORTLAND ME CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 90 1977
MINIMUM TEMPERATURE (F) 46 27 1957
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:14 AM EDT SUNSET 8:02 PM EDT
MAY 18 2025...........SUNRISE 5:13 AM EDT SUNSET 8:03 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$