Climatological Report (Daily)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
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CDUS41 KGYX 172048
CLIPWM
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
448 PM EDT SUN MAY 17 2026
...................................
...THE PORTLAND ME CLIMATE SUMMARY FOR MAY 17 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1941 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 84 2:09 PM 90 1977 65 19 55
MINIMUM 61 4:51 AM 27 1957 46 15 51
AVERAGE 73 55 18 53
PRECIPITATION (IN)
TODAY 0.00 4.78 1916 0.11 -0.11 0.19
MONTH TO DATE 4.12 2.01 2.11 4.56
SINCE MAR 1 11.43 10.50 0.93 13.55
SINCE JAN 1 15.19 17.54 -2.35 18.71
SNOWFALL (IN)
TODAY 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 11.4 16.4 -5.0 5.5
SINCE JUL 1 63.7 68.7 -5.0 54.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 10 -10 12
MONTH TO DATE 215 210 5 196
SINCE MAR 1 1764 1779 -15 1684
SINCE JUL 1 6855 6590 265 6459
COOLING
TODAY 8 0 8 0
MONTH TO DATE 8 0 8 0
SINCE MAR 1 8 1 7 0
SINCE JAN 1 8 1 7 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 3:00 AM
LOWEST 29 2:00 PM
AVERAGE 51
..........................................................
THE PORTLAND ME CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 93 2017
MINIMUM TEMPERATURE (F) 46 30 2023
SUNRISE AND SUNSET
MAY 17 2026...........SUNRISE 5:14 AM EDT SUNSET 8:02 PM EDT
MAY 18 2026...........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.
$$