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CXUS51 KGYX 021023
CLMPWM

PWMCLMPWM 000
TTAA00 GYX 020916

CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
416 AM EST FRI JAN 02 2026

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

...THE PORTLAND ME CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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             71   12/06/2001
                       12/07/1998
 LOW             -21   12/31/1963
HIGHEST           53   12/19         56      -3       56  12/11
                                                          12/17
LOWEST            -3   12/09          2      -5        5  12/23
AVG. MAXIMUM    33.1               38.3    -5.2     37.4
AVG. MINIMUM    16.0               22.4    -6.4     21.5
MEAN            24.5               30.3    -5.8     29.5
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    13                8.4     4.6       10
DAYS MIN <= 32    30               26.7     3.3       29
DAYS MIN <= 0      1                0.4     0.6        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.69   1969
 MINIMUM        0.93   1874
TOTALS          3.97               4.50   -0.53     5.18
DAILY AVG.      0.13               0.15   -0.02     0.17
DAYS >= .01       10               12.3    -2.3       13
DAYS >= .10        7                7.9    -0.9        9
DAYS >= .50        3                2.9     0.1        3
DAYS >= 1.00       1                1.3    -0.3        1
GREATEST
 24 HR. TOTAL   1.80   12/29 TO 12/29

SNOWFALL (INCHES)
RECORDS
 TOTAL          54.8   1970
TOTALS          12.6               14.6    -2.0      6.0
SINCE 7/1       12.6               17.1    -4.5      6.0
SNOWDEPTH AVG.     2
DAYS >= TRACE     11                6.0     5.0
DAYS >= 1.0        4                3.3     0.7
GREATEST
 SNOW DEPTH        5   12/24
                       12/25
 24 HR TOTAL     5.3   12/23 TO 12/24

DEGREE DAYS
HEATING TOTAL   1247               1074     173     1093
 SINCE 7/1      2553               2451     102     2288
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       440                446      -6      446
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    33/170    DATE  12/19
HIGHEST GUST SPEED/DIRECTION    56/170    DATE  12/19

SKY COVER
AVERAGE SKY COVER           0.53

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     HEAVY RAIN                 2
RAIN                      2     LIGHT RAIN                 3
FREEZING RAIN             1     LT FREEZING RAIN           1
HEAVY SNOW                0     SNOW                       4
LIGHT SNOW               11     FOG                       11
FOG W/VIS <= 1/4 MILE     3     HAZE                       4

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

&&

...THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN DECEMBER 2025...
DATE   RECORD                                PREVIOUS
DEC  2  4.4  - GREATEST SNOWFALL           - 3.2 IN 1989
DEC  5    2  - COLDEST LOW TEMPERATURE     -   7 IN 1945 AND 1989
DEC  5   12  - COLDEST AVERAGE TEMPERATURE -  15 IN 1940
DEC 19   44  - WARMEST AVERAGE TEMPERATURE -  44 IN 1949
DEC 29  1.80 - GREATEST PRECIPITATION      - 1.78 IN 1966

$$