Climatological Report (Monthly)
Issued by NWS Portland, ME

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CLMPWM

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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
206 PM EDT THU MAY 30 2024

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

...THE PORTLAND ME CLIMATE SUMMARY FOR THE MONTH OF APRIL 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1941 TO 2024
CLIMATE RECORD PERIOD: 1871 TO 2024 (FOR PRECIPITATION)
CLIMATE RECORD PERIOD: 1882 TO 2024 (FOR SNOWFALL)

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             92   04/28/2009
 LOW               8   04/04/1954
HIGHEST           70   04/29         75      -5       79  04/14
LOWEST            26   04/26         24       2       21  04/03
AVG. MAXIMUM    52.7               53.8    -1.1     53.1
AVG. MINIMUM    35.5               35.4     0.1     37.2
MEAN            44.1               44.6    -0.5     45.2
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.2    -0.2        0
DAYS MIN <= 32     8               11.9    -3.9        6
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.90   1973
 MINIMUM        0.28   1999
TOTALS          4.37               4.41   -0.04     5.49
DAILY AVG.      0.15               0.15    0.00     0.18
DAYS >= .01       11               11.1    -0.1       13
DAYS >= .10        9                7.0     2.0        7
DAYS >= .50        2                2.8    -0.8        4
DAYS >= 1.00       1                1.2    -0.2        2
GREATEST
 24 HR. TOTAL   2.21   04/03 TO 04/04

SNOWFALL (INCHES)
RECORDS
 TOTAL          20.5   1906
TOTALS           8.0                2.8     5.2      0.0
SINCE 7/1       38.0               68.7   -30.7     56.5
SNOWDEPTH AVG.     0
DAYS >= TRACE      4                1.3     2.7
DAYS >= 1.0        1                0.7     0.3
GREATEST
 SNOW DEPTH        5   04/05
 24 HR TOTAL     8.0

DEGREE DAYS
HEATING TOTAL    616                613       3      588
 SINCE 7/1      5778               6380    -602     5823
COOLING TOTAL      0                  1      -1        0
 SINCE 1/1         0                  1      -1        0
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
HIGHEST WIND SPEED/DIRECTION    32/070    DATE   04/04
HIGHEST GUST SPEED/DIRECTION    56/080    DATE   04/04

SKY COVER
AVERAGE SKY COVER           0.52

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     HEAVY RAIN                 2
RAIN                      6     LIGHT RAIN                12
FREEZING RAIN             0     LT FREEZING RAIN           0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                4     FOG                       11
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.

&&

...THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN APRIL 2024...
DATE     RECORD                              PREVIOUS
APR  4     2  - SMALLEST TEMPERATURE RANGE     3 IN 2007
APR  4   1.93 - GREATEST PRECIPITATION      1.85 IN 2006
APR  4    7.1 - GREATEST SNOWFALL            6.4 IN 1915
APR 11     3  - SMALLEST TEMPERATURE RANGE     3 IN 1942 (TIED)
APR 26    26  - COLDEST LOW TEMPERATURE       27 IN 2006, 1948, 1941


$$