Climatological Report (Seasonal)
Issued by NWS Portland, ME

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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
307 PM EDT TUE SEP 01 2026

...................................

...THE PORTLAND ME CLIMATE SUMMARY FOR THE SUMMER SEASON, FROM
6/1/2026 TO 8/31/2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1941 TO 2025 (FOR TEMPERATURE)
CLIMATE RECORD PERIOD: 1871 TO 2025 (FOR PRECIPITATION)
CLIMATE RECORD PERIOD: 1882 TO 2025 (FOR SNOWFALL)


WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            103   08/02/1975
 LOW              33   08/31/1965
                       06/04/1944
HIGHEST           96   07/02         93       3       99  06/24
LOWEST            41   06/02         42      -1       44  06/15
AVG. MAXIMUM    79.3               77.3     2.0     77.8
AVG. MINIMUM    59.3               58.6     0.7     58.0
MEAN            69.3               68.0     1.3     67.9
DAYS MAX >= 90     6                4.2     1.8        7
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       22.31   2009
 MINIMUM        4.10   1999
TOTALS          8.65              11.15   -2.50     5.23
DAILY AVG.      0.10               0.12   -0.02     0.06
DAYS >= .01       26               31.9    -5.9       23
DAYS >= .10       14               18.8    -4.8       12
DAYS >= .50        5                6.7    -1.7        3
DAYS >= 1.00       4                2.6     1.4        1
GREATEST
 24 HR. TOTAL   2.33   06/22 TO 06/23

SNOWFALL (INCHES)


TOTALS             T                0.0     0.0      0.0
SINCE 7/1          T                0.0     0.0      0.0
SNOWDEPTH AVG.     0
DAYS >= TRACE      1                0.0     1.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL       T

DEGREE DAYS
HEATING TOTAL     40                115     -75      120
 SINCE 7/1         6                 21     -15       31
COOLING TOTAL    462                390      72      406
 SINCE 1/1       494                401      93      406
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
HIGHEST WIND SPEED/DIRECTION    43/350    DATE  08/13
HIGHEST GUST SPEED/DIRECTION    68/350    DATE  08/13

SKY COVER
AVERAGE SKY COVER           0.46

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             11     HEAVY RAIN                 7
RAIN                     11     LIGHT RAIN                32
FREEZING RAIN             0     LT FREEZING RAIN           0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     FOG                       32
FOG W/VIS <= 1/4 MILE     9     HAZE                       8

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$