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CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
725 AM EDT SUN SEP 05 2021

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

...THE MANCHESTER CLIMATE SUMMARY FOR THE SUMMER SEASON, FROM
6/1/2021 TO 8/31/2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1885 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST           98   06/29         97       1       98  07/19
LOWEST            44   06/10         44       0       42  06/01
AVG. MAXIMUM    82.5               81.7     0.8     84.9
AVG. MINIMUM    63.8               61.1     2.7     63.8
MEAN            73.2               71.4     1.8     74.4
DAYS MAX >= 90    22               13.8     8.2       32
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
TOTALS         15.12              10.69    4.43     5.26
DAILY AVG.      0.16               0.12    0.04     0.06
DAYS >= .01       41               34.2     6.8       29
DAYS >= .10       30               20.8     9.2       15
DAYS >= .50        8                7.0     1.0        2
DAYS >= 1.00       6                2.4     3.6        1
GREATEST
 24 HR. TOTAL   1.77   07/08 TO 07/09

SNOWFALL (INCHES)
TOTALS           0.0                                 0.0
SINCE 7/1        0.0                                 0.0
DAYS >= TRACE      0                                   0
DAYS >= 1.0        0                                   0
GREATEST
 SNOW DEPTH        0                                   0

DEGREE DAYS
HEATING TOTAL     23                 57     -34       30
 SINCE 7/1        10                  5       5        7
COOLING TOTAL    800                650     150      919
 SINCE 1/1       862                689     173      983
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.9
HIGHEST WIND SPEED/DIRECTION    31/330    DATE  07/20
HIGHEST GUST SPEED/DIRECTION    45/320    DATE  07/20

SKY COVER
AVERAGE SKY COVER           0.68

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             14     HEAVY RAIN                15
RAIN                     22     LIGHT RAIN                51
FREEZING RAIN             0     LT FREEZING RAIN           0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     FOG                       42
FOG W/VIS <= 1/4 MILE     5     HAZE                      20

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

&&

AFTER A COLD AND WET MEMORIAL DAY WEEKEND, A WARMING TREND BEGAN TO
START THE SUMMER. ONLY A WEEK INTO JUNE AND THE FIRST HEAT WAVE OF
SUMMER WAS HERE. THE TEMPERATURE TOPPED 90 DEGREES FOR 5 STRAIGHT
DAYS, PEAKING AT 95 ON JUNE 7 AND 8. ALTHOUGH A FEW COLD FRONTS
BROUGHT SOME RELIEF FROM THE HEAT, THE WARM AND HUMID AIR KEPT
RETURNING. ANOTHER HEAT WAVE CAME AT THE END OF JUNE WITH 4 MORE 90
DEGREE DAYS, PEAKING AT 98 ON JUNE 29. JUST AS THE SUMMER`S NEXT
HOLIDAY WEEKEND ARRIVED, THE WEATHER TURNED COOL AND RAINY AGAIN.
MORE THAN 3 INCHES OF RAIN FELL OVER THE INDEPENDENCE DAY WEEKEND
WITH THE TEMPERATURE MOSTLY IN THE 50S AND 60S. AFTER A BRIEF WARM
UP, THE REMNANTS OF TROPICAL STORM ELSA MOVED THROUGH, DROPPING MORE
THAN 2 INCHES OF RAIN ON JULY 8 AND 9. A SERIES OF COLD FRONTS
BROUGHT COOL CANADIAN AIR MASSES INTO THE REGION FOR MOST OF JULY.
FREQUENT ROUNDS OF SHOWERS AND THUNDERSTORMS ACCOMPANIED THE FRONTAL
PASSAGES AS WELL, LEADING TO THE WETTEST JULY ON RECORD. THIS ALL
BEGAN TO CHANGE AGAIN IN AUGUST AS THE JET STREAM SHIFTED NORTHWARD
ALLOWING THE HEAT AND HUMIDITY TO RETURN. THE FIRST HEAT WAVE CAME
IN THE SECOND WEEK OF AUGUST WITH 4 DAYS ABOVE 90 DEGREES. A PAIR OF
REMNANT TROPICAL SYSTEMS BROUGHT RAIN IN MID AUGUST. THE FIRST WAS
THE REMNANTS OF TROPICAL STORM FRED, AND IT BROUGHT MORE THAN AN
INCH OF RAIN ON AUGUST 19. A FEW DAYS LATER, TROPICAL STORM HENRI
MADE LANDFALL IN SOUTHERN NEW ENGLAND ON AUGUST 22. THIS SYSTEM
BROUGHT ON AND OFF RAIN FOR 3 DAYS. ONCE IT PASSED, THE HEAT
RETURNED ONE MORE TIME WITH ANOTHER 4 STRAIGHT DAYS ABOVE 90
DEGREES, PEAKING AT 96 DEGREES ON AUGUST 26.

THE AVERAGE TEMPERATURE WAS 73.2 DEGREES WHICH WAS 1.8 DEGREES ABOVE
NORMAL. THE WARMEST SUMMER WAS LAST YEAR WHEN THE AVERAGE
TEMPERATURE WAS 74.4 DEGREES IN 2020. THE COOLEST WAS 64.9 DEGREES
IN 1946.

A TOTAL OF 15.12 INCHES OF PRECIPITATION FELL WHICH WAS 4.43 INCHES
ABOVE NORMAL. THE HEAVIEST RAIN FELL ON JULY 8 AND 9 WHEN 2.15
INCHES WAS MEASURED. THE WETTEST SUMMER WAS IN 1938 WHEN 20.32
INCHES FELL. THE DRIEST WAS IN 2016 WITH ONLY 5.21 INCHES.

HISTORICAL RECORDS AT MANCHESTER BEGAN IN 1885, BUT WITHIN THIS
RECORD THERE REMAIN NUMEROUS YEARS OF UNAVAILABLE DATA. DUE TO THIS,
HISTORICAL RECORDS SHOULD BE CONSIDERED INCOMPLETE AS SOME
SIGNIFICANT EXTREMES MAY BE MISSING FROM THE DATA. MORE CONSISTENT
MODERN RECORDS BEGAN IN 1998 AND CONTINUE TO THE PRESENT.

$$

KIMBLE