Climatological Report (Monthly)
Issued by NWS Portland, ME

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CXUX51 KGYX 022024
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PWMCLMGYX 000
TTAA00 KGYX 021757


CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
157 PM EDT FRI JUN 2 2017

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

...THE GRAY ME CLIMATE SUMMARY FOR THE MONTH OF MAY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1995 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              95   05/18/2017
 LOW               31   05/01/2008
HIGHEST            95R  05/18        86       9       92
LOWEST             34   05/09        35      -1       35
AVG. MAXIMUM     61.5              65.1    -3.6     65.8
AVG. MINIMUM     45.0              44.7     0.3     45.8
MEAN             53.2              54.9    -1.7     55.8
DAYS MAX >= 90      1               0.2     0.8        1
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.2    -0.2        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.54   2006
 MINIMUM         1.17   2001
TOTALS           6.04              3.90    2.14     2.02
DAILY AVG.       0.19              0.13    0.06     0.07
DAYS >= .01        19              13.5     5.5       13
DAYS >= .10        11               8.2     2.8        6
DAYS >= .50         5               2.8     2.2        1
DAYS >= 1.00        1               0.7     0.3        0
GREATEST
 24 HR. TOTAL    1.45   05/26

SNOWFALL (INCHES)
RECORDS
 TOTAL              T   2002
                        1997
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1       123.9              83.8    40.1     51.8
SNOWDEPTH AVG.      0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   05/31                          0
 24 HR TOTAL      0.0   05/31

DEGREE_DAYS
HEATING TOTAL     376               323      53      299
 SINCE 7/1       6776              7098    -322     6382
COOLING TOTAL      19                10       9       22
 SINCE 1/1         21                11      10       22
..............................................................



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

&&

A PERSISTENT AREA OF LOW PRESSURE DOMINATED THE WEATHER PATTERN IN
NEW ENGLAND THROUGH THE FIRST HALF OF MAY. THIS BROUGHT MOSTLY
COOL TEMPERATURES AND FREQUENT AFTERNOON SHOWERS ALONG WITH
OCCASIONAL PERIODS OF STEADIER RAINFALL. THE FIRST DAY OF THE MONTH
ONLY SAW THE TEMPERATURE REACH 43 DEGREES. RAIN WAS OBSERVED ON 12
OF THE FIRST 15 DAYS OF THE MONTH AT GRAY. THE PESKY LOW PRESSURE
AREA FINALLY MOVED OUT OF THE REGION ON THE 16TH, WITH A RIDGE OF
HIGH PRESSURE BUILDING IN BEHIND IT. THIS BROUGHT A PERIOD OF MUCH
WARMER WEATHER, INCLUDING THE FIRST 90 DEGREE DAY OF THE SEASON ON
THE 18TH. THIS MINI-HEAT WAVE WAS BROUGHT TO AN END WHEN A COLD FRONT
DROPPED DOWN FROM CANADA ON THE 19TH, BRINGING COOLER WEATHER FOR THE
NEXT FEW DAYS. A NOR`EASTER MOVED UP THE COAST ON THE NIGHT OF THE
25TH, BRINGING 2.12 INCHES OF RAIN TO THE CITY IN A 24 HOUR PERIOD.
THE HOLIDAY WEEKEND CLEARED OUT WITH WARM SUNNY DAYS BEFORE COOL,
CLOUDY MEMORIAL DAY ON THE 29TH WITH HIGH TEMPERATURE ONLY REACHING
55 DEGREES.

THE AVERAGE TEMPERATURE FOR THE MONTH WAS 53.2 DEGREES WHICH WAS 1.7
DEGREES BELOW NORMAL AND MADE MAY 2017 THE 6TH COLDEST ON RECORD. THE
WARMEST MAY ON RECORD WAS IN 2015 WHEN THE AVERAGE TEMPERATURE WAS
59.0 DEGREES. THE COLDEST WAS IN 2005 WHEN IT WAS ONLY 49.4 DEGREES.

A TOTAL OF 6.04 INCHES OF PRECIPITATION FELL, WHICH WAS 2.14 INCHES
ABOVE NORMAL. THE HEAVIEST PRECIPITATION WAS ON THE 26TH WHEN 1.45
INCHES FELL. THE WETTEST MAY ON RECORD WAS IN 2006 WHEN 8.54 INCHES
WAS MEASURED. THE DRIEST WAS IN 2001 WHEN ONLY 1.17 INCHES FELL.

NO SNOW FELL DURING THE MONTH. SNOWFALL IN MAY IS QUITE RARE, WITH
ONLY 5 TRACE AMOUNTS BEING OBSERVED DURING THE RECORD PERIOD.

$$

BECKER



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