Climatological Report (Monthly)
Issued by NWS Portland, ME

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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
554 PM EDT WED JUN 02 2021

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

...THE CONCORD NH CLIMATE SUMMARY FOR THE MONTH OF MAY 2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1868 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             98   05/22/1911
 LOW              21   05/03/1966
                       05/10/1947
HIGHEST           92   05/26         89       3       91  05/27
LOWEST            34   05/07         28       6       28  05/14
                       05/08
                                                          05/06
AVG. MAXIMUM    70.5               69.3     1.2     69.6
AVG. MINIMUM    44.3               44.1     0.2     42.5
MEAN            57.4               56.7     0.7     56.1
DAYS MAX >= 90     1                1.0     0.0        1
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                3.2    -3.2        5
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       11.09   2006
 MINIMUM        0.32   1899
TOTALS          2.99               3.47   -0.48     1.90
DAILY AVG.      0.10               0.11   -0.01     0.06
DAYS >= .01       12               12.4    -0.4        6
DAYS >= .10        6                7.3    -1.3        5
DAYS >= .50        2                2.2    -0.2        2
DAYS >= 1.00       0                0.5    -0.5        0
GREATEST
 24 HR. TOTAL   1.03   05/30 TO 05/31

SNOWFALL (INCHES)
RECORDS
 TOTAL           5.0   1945
TOTALS           0.0                0.0     0.0      0.4
SINCE 7/1       59.0               67.7    -8.7       MM
SNOWDEPTH AVG.     0
DAYS >= TRACE      0                0.0     0.0        1
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL     0.0

DEGREE DAYS
HEATING TOTAL    261                278     -17      309
 SINCE 7/1      6473               6909    -436     6771
COOLING TOTAL     31                 20      11       42
 SINCE 1/1        31                 22       9       42
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
HIGHEST WIND SPEED/DIRECTION    40/300    DATE  05/26
HIGHEST GUST SPEED/DIRECTION    52/300    DATE  05/26

SKY COVER
AVERAGE SKY COVER           0.44

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     HEAVY RAIN                 2
RAIN                      4     LIGHT RAIN                16
FREEZING RAIN             0     LT FREEZING RAIN           0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     FOG                        7
FOG W/VIS <= 1/4 MILE     0     HAZE                       1

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

&&

MAY BEGAN WITH SOME MILD WEATHER AND OCCASIONAL SHOWERS. THE
HEAVIEST RAIN FELL ON THE 5TH WHEN 0.80 INCHES WAS RECORDED. THE
NEXT THREE WEEKS SAW VERY LITTLE RAINFALL WITH GRADUALLY WARMING
TEMPERATURES. CONCORD SAW TWO STRAIGHT WEEKS WITH HIGH TEMPERATURES
70 DEGREES OR HIGHER, INCLUDING 6 STRAIGHT DAYS AT 80 OR ABOVE FROM
THE 18TH THROUGH THE 23RD. AFTER A BRIEF COOL DOWN, THE HEAT
RETURNED WITH A HIGH OF 92 ON THE 26TH JUST BEFORE THUNDERSTORMS
ROLLED IN ACCOMPANIED BY GUSTY WINDS. MEMORIAL DAY WEEKEND WAS A
COLD AND WET ONE WITH RAIN FALLING ON THE FINAL 6 DAYS OF THE MONTH.

THE AVERAGE TEMPERATURE FOR THE MONTH WAS 57.4 DEGREES WHICH WAS 0.7
DEGREES ABOVE NORMAL. THE WARMEST MAY WAS IN 1880 WHEN THE AVERAGE
TEMPERATURE WAS 64.4 DEGREES. THE COOLEST WAS 47.6 IN 1917.

A TOTAL OF 2.99 INCHES OF PRECIPITATION FELL WHICH WAS 0.48 INCHES
BELOW NORMAL. MORE THAN TWO THIRDS OF THE MONTHLY RAINFALL FELL IN
THE FINAL FEW DAYS OF THE MONTH. THE DRIEST MAY WAS IN 1899 WHEN
ONLY 0.32 INCHES WAS MEASURED. THE WETTEST WAS IN 2006 WITH 11.09
INCHES.

NO SNOW FELL WHICH IS NORMAL FOR MAY. SNOW IN MAY IS VERY RARE, WITH
MEASURABLE AMOUNTS ONLY OCCURING 7 TIMES, MOST RECENTLY IN 2020. A
TRACE HAS BEEN OBSERVED IN AN ADDITIONAL 24 YEARS, MOST RECENTLY IN
2002. THE MOST SNOW IN MAY WAS IN 1945 WITH 5.0 INCHES.

NO DAILY RECORDS WERE SET OR TIED IN MAY 2021.

$$

KIMBLE


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