Climatological Report (Monthly)
Issued by NWS Portland, ME

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CXUX51 KGYX 030100
CLMGYX

PWMCLMGYX 000
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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
900 PM EDT WED JUN 02 2021

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

...THE GRAY ME CLIMATE SUMMARY FOR THE MONTH OF MAY 2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             95   05/18/2017
 LOW              31   05/10/2020
                       05/09/2020
                       05/01/2008
HIGHEST           92   05/26         86       6       88
LOWEST            37   05/08         35       2       31
AVG. MAXIMUM    66.7               64.3     2.4     65.2
AVG. MINIMUM    46.0               44.0     2.0     42.9
MEAN            56.3               54.2     2.1     54.0
DAYS MAX >= 90     1                0.4     0.6        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.2    -0.2        2
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.54   2006
 MINIMUM        0.90   2018
TOTALS          2.14               3.56   -1.42     2.54
DAILY AVG.      0.07               0.11   -0.04     0.08
DAYS >= .01       11               13.6    -2.6        6
DAYS >= .10        5                8.1    -3.1        4
DAYS >= .50        1                2.7    -1.7        2
DAYS >= 1.00       0                0.7    -0.7        1
GREATEST
 24 HR. TOTAL   1.03   05/30 TO 05/31

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   2002
TOTALS           0.0                0.0     0.0      1.1
SINCE 7/1       42.6               84.0   -41.4       MM
SNOWDEPTH AVG.     0
DAYS >= TRACE      0                0.0     0.0        1
DAYS >= 1.0        0                0.0     0.0        1
GREATEST
 SNOW DEPTH        0                                  -1
 24 HR TOTAL       0

DEGREE DAYS
HEATING TOTAL    277                346     -69      363
 SINCE 7/1      6553               7060    -507     6906
COOLING TOTAL     18                  9       9       30
 SINCE 1/1        18                  9       9       30
..............................................................



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

&&

MAY BEGAN WITH SOME TYPICALLY COOL SPRING TEMPERATURES. AFTER SOME
RAIN ON THE 5TH, THE NEXT THREE WEEKS SAW VERY LITTLE RAINFALL WITH
GRADUALLY WARMING TEMPERATURES. THE HOTTEST DAY WAS THE 26TH WHEN
THE HIGH REACHED 92 DEGREES BEFORE THUNDERSTORMS ROLLED THROUGH.
MEMORIAL DAY WEEKEND WAS A COLD AND WET ONE WITH RAIN FALLING ON THE
FINAL FOUR DAYS OF THE MONTH.

THE AVERAGE TEMPERATURE WAS 56.3 DEGREES WHICH WAS 2.1 DEGREES ABOVE
NORMAL. THE WARMEST MAY WAS IN 2015 WHEN THE AVERAGE TEMPERATURE WAS
59.0 DEGREES. THE COOLEST WAS IN 2005 AT 49.4 DEGREES.

A TOTAL OF 2.14 INCHES OF PRECIPITATION FELL WHICH WAS 1.42 INCHES
BELOW NORMAL. MORE THAN TWO THIRDS OF THE MONTHLY RAINFALL FELL ON
THE FINAL THREE DAYS OF THE MONTH. THE DRIEST MAY WAS IN 2018 WHEN
ONLY 0.90 INCHES FELL. THE WETTEST WAS IN 2006 WITH 8.54 INCHES.

$$

KIMBLE


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