Climatological Report (Monthly)
Issued by NWS Portland, ME

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CLMPWM

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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
423 AM EDT FRI AUG 01 2025

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

...THE PORTLAND ME CLIMATE SUMMARY FOR THE MONTH OF JULY 2025...

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            100   07/22/2011
 LOW              40   07/07/1965
                       07/03/1962
HIGHEST           94   07/29         91       3       92  07/15
LOWEST            52   07/22         50       2       56  07/22
AVG. MAXIMUM    80.5               79.5     1.0     82.5
AVG. MINIMUM    62.1               61.2     0.9     63.8
MEAN            71.3               70.4     0.9     73.1
DAYS MAX >= 90     3                1.9     1.1        2
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       10.84   1915
 MINIMUM        0.61   1965
TOTALS          2.51               3.43   -0.92     2.58
DAILY AVG.      0.08               0.11   -0.03     0.08
DAYS >= .01        8               10.8    -2.8       10
DAYS >= .10        4                6.7    -2.7        4
DAYS >= .50        1                2.3    -1.3        2
DAYS >= 1.00       1                0.7     0.3        1
GREATEST
 24 HR. TOTAL   1.22   07/20

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
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      MM

DEGREE DAYS
HEATING TOTAL      2                 10      -8        0
 SINCE 7/1         2                  4      -2       MM
COOLING TOTAL    204                176      28      260
 SINCE 1/1       291                255      36       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.4
HIGHEST WIND SPEED/DIRECTION    32/290    DATE  07/03
HIGHEST GUST SPEED/DIRECTION    43/280    DATE  07/03
                                43/340          07/18

SKY COVER
AVERAGE SKY COVER           0.46

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     HEAVY RAIN                 1
RAIN                      1     LIGHT RAIN                 9
FREEZING RAIN             0     LT FREEZING RAIN           0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     FOG                       17
FOG W/VIS <= 1/4 MILE     3     HAZE                       2

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

$$