Climatological Report (Annual)
Issued by NWS
Issued by NWS
000
CXUS51 KGYX 060432
CLAMHT
PWMCLAMHT 000
TTAA00 GYX 060102
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAY ME
802 PM EST WED JAN 05 2022
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...THE MANCHESTER CLIMATE SUMMARY FOR THE YEAR OF 2021...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1885 TO 2022
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 103 07/22/2011
LOW -20 02/13/1967
HIGHEST 98 06/29 97 1 98 07/19
LOWEST 4 01/31 -5 9 -7 02/15
02/10
AVG. MAXIMUM 61.5 59.8 1.7 62.1
AVG. MINIMUM 43.4 40.4 3.0 42.9
MEAN 52.4 50.1 2.3 52.5
DAYS MAX >= 90 24 16.2 7.8 33
DAYS MAX <= 32 25 34.1 -9.1 18
DAYS MIN <= 32 119 129.1 -10.1 113
DAYS MIN <= 0 0 3.9 -3.9 1
PRECIPITATION (INCHES)
TOTALS 44.19 40.39 3.80 33.62
DAILY AVG. 0.12 0.11 0.01 0.09
DAYS >= .01 129 129.5 -0.5 105
DAYS >= .10 88 76.3 11.7 66
DAYS >= .50 26 26.5 -0.5 22
DAYS >= 1.00 12 8.3 3.7 8
GREATEST
24 HR. TOTAL 2.44 09/01 TO 09/02
SNOWFALL (INCHES)
TOTALS 37.1 39.2
SINCE 7/1 6.7 18.7
DAYS >= TRACE 46 37
DAYS >= 1.0 11 10
GREATEST
SNOW DEPTH 9 02/20
DEGREE DAYS
HEATING TOTAL 5420 6172 -752 5551
SINCE 7/1 1837 2258 -421 2027
COOLING TOTAL 964 773 191 1085
................................................................
WIND (MPH)
AVERAGE WIND SPEED 6.6
HIGHEST WIND SPEED/DIRECTION 39/300 DATE 03/02
HIGHEST GUST SPEED/DIRECTION 54/300 DATE 03/02
SKY COVER
AVERAGE SKY COVER 0.64
AVERAGE RH (PERCENT) 62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 20 HEAVY RAIN 32
RAIN 48 LIGHT RAIN 138
FREEZING RAIN 1 LT FREEZING RAIN 6
HEAVY SNOW 1 SNOW 9
LIGHT SNOW 44 FOG 143
FOG W/VIS <= 1/4 MILE 21 HAZE 55
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
THE YEAR BEGAN WITH MILD WEATHER AND LITTLE TO NO SNOW ON THE
GROUND. MILD WEATHER PERSISTED INTO THE MIDDLE OF JANUARY WITH THE
JANUARY THAW ARRIVING ON THE 16TH WHEN THE HIGH REACHED 50 DEGREES
AND 1.26 INCHES OF RAIN FELL. COLDER WEATHER ARRIVED THE LAST WEEK
OF JANUARY AND PERSISTED THROUGH MUCH OF FEBRUARY. THE COLDEST
TEMPERATURE OF THE YEAR WAS 4 DEGREES ON JANUARY 31ST AND AGAIN ON
FEBRUARY 10TH. THE BIGGEST SNOWFALL OF THE YEAR CAME ON FEBRUARY 1ST
AND 2ND WHEN AN AREA OF LOW PRESSURE TRACKED UP THE EAST COAST
BRINGING 7.9 INCHES OF SNOW. FREQUENT SNOWS THROUGH FEBRUARY HELPED
BUILD THE SNOWPACK UNTIL IT PEAKED AT 9 INCHES ON FEBRUARY 20TH.
MILD WEATHER FOLLOWED THROUGH THE END OF FEBRUARY LEADING TO THE
SNOWPACK BEING FULLY MELTED BY THE END OF THE FIRST WEEK OF MARCH.
THE FIRST 70 DEGREE DAY OCCURRED ON MARCH 11TH WHEN THE HIGH
TEMPERATURE CLIMBED TO 72 DEGREES.
MILD WEATHER CONTINUED THROUGH SPRING WITH BOTH APRIL AND MAY HAVING
ABOVE NORMAL TEMPERATURES. THE LAST FREEZE OCCURRED ON APRIL 22ND.
THE COMBINATION OF ABOVE NORMAL TEMPERATURES AND BELOW NORMAL
PRECIPITATION THROUGH THE END OF WINTER INTO SPRING ALONG WITH A
SNOWLESS GROUND LED TO LITTLE IN THE WAY OF THE TRADITIONAL MUD
SEASON. FOR THE SECOND YEAR IN A ROW THERE WAS A DRY START TO THE
GROWING SEASON WITH A RESURGENCE IN DROUGHT CONDITIONS. AFTER A HIGH
OF 94 DEGREES ON MAY 26TH, THE WARM DRY SPRING WAS INTERRUPTED BY
COLD AND WET WEATHER OVER MEMORIAL DAY WEEKEND.
TEMPERATURES REBOUNDED QUICKLY GOING INTO JUNE WITH FIVE STRAIGHT
DAYS OF TEMPERATURES IN THE LOW TO MID 90S STARTING JUNE 5TH. THE
HEAT BACKED OFF SOME GOING INTO THE MIDDLE OF JUNE, BUT CAME BACK AT
THE END OF THE MONTH WITH THE LAST FOUR DAYS CLIMBING INTO THE 90S.
THIS HEAT WAVE WOULD MARK THE HOTTEST WEATHER OF THE YEAR WITH
HOTTEST DAY IN 2021 BEING JUNE 29TH WITH HIGH OF 98 DEGREES. THIS
HOT AND DRY PATTERN LED TO EXPANDING AND INTENSIFYING DROUGHT
CONDITIONS. THE HOT AND DRY WEATHER TOOK QUITE A TURN IN THE OTHER
DIRECTION GOING INTO JULY. THE FOURTH OF JULY WEEKEND WAS COOL AND
RAINY WITH OVER THREE INCHES OF RAIN FALLING BETWEEN JULY 1ST TO
JULY 4TH. THE COOL AND RAINY HOLIDAY WEEKEND WAS FOLLOWED BY THE
REMNANTS OF TROPICAL STORM ELSA BRINGING 2.15 INCHES OF RAIN OVER
JULY 8TH AND 9TH. VERY WET AND COOL WEATHER WOULD END UP BEING THE
THEME FOR JULY BRINGING AN END TO DROUGHT CONDITIONS. THIS WEATHER
PATTERN BROKE DOWN GOING INTO AUGUST. THERE WERE TWO PERIODS OF
SUMMER HEAT WITH MULTIPLE DAYS IN THE LOW 90S ALONG WITH RELATIVELY
DRY WEATHER THROUGH THE FIRST TWO WEEKS OF AUGUST. THE DRY STRETCH
OF WEATHER WAS INTERRUPTED BY THE REMNANTS OF TROPICAL STORM FRED
BRINGING OVER AN INCH OF RAIN ON AUGUST 19TH INTO THE 20TH.
THE WEATHER TURNED MORE ACTIVE INTO SEPTEMBER WITH THE THEME FOR THE
FALL BEING WARM AND WET CONDITIONS. THE REMNANTS OF HURRICANE IDA
BROUGHT 2.44 INCHES OF RAIN ON SEPTEMBER 1ST AND 2ND, CONTINUING THE
TREND OF POST TROPICAL SYSTEMS BRINGING HEAVY BOUTS OF RAIN TO THE
AREA. MILD AND RELATIVELY DRY WEATHER DOMINATED THE FIRST HALF OF
OCTOBER. GOING INTO THE END OF OCTOBER THE PATTERN CHANGED FAVORING
NOR`EASTERS. A STRONG NOR`EASTER BROUGHT RAIN AND WINDS ON OCTOBER
26TH FOLLOWED BY ANOTHER SYSTEM BRINGING 1.59 INCHES OF RAINFALL
OVER HALLOWEEN WEEKEND. MILD CONDITIONS CONTINUED INTO NOVEMBER WITH
THE TEMPERATURES CLIMBING TO 60 DEGREES OR GREATER SEVERAL TIMES
DURING THE FIRST HALF OF THE MONTH AND A HIGH OF 70 DEGREES ON
NOVEMBER 18TH. THE FIRST FREEZE OCCURRED ON NOVEMBER 4TH. COOLER
WEATHER FINALLY ARRIVED AROUND THANKSGIVING ALONG WITH THE FIRST
MEASURABLE SNOWFALL OF 0.1 INCHES ON NOVEMBER 26TH. THE FIRST
SIGNIFICANT SNOW OF THE SEASON WAS ON DECEMBER 18TH AND 19TH WHEN
4.9 INCHES FELL. THIS SNOW STUCK AROUND THROUGH CHRISTMAS WITH A
WINTRY MIX ON CHRISTMAS DAY ENDING AS SNOW FOLLOWED BY MILD WEATHER
THROUGH NEW YEAR`S EVE.
THE AVERAGE TEMPERATURE FOR THE YEAR WAS 52.4 DEGREES WHICH WAS 2.3
DEGREES ABOVE NORMAL AND THE SECOND WARMEST YEAR ON RECORD AT
MANCHESTER. THE WARMEST YEAR WAS JUST LAST YEAR WITH AN AVERAGE
TEMPERATURE OF 52.5 DEGREES IN 2020. THE COLDEST WAS 45.2 DEGREES IN
1887. THE FOLLOWING TABLE LISTS THE AVERAGE TEMPERATURES FOR EACH
MONTH OF 2021 INCLUDING DEPARTURES FROM NORMAL.
AVERAGE TEMPERATURES BY MONTH IN 2021
MONTH MAXIMUM MINIMUM AVERAGE
JANUARY 35.8 (+2.7) 22.4 (+6.7) 29.1 (+4.7)
FEBRUARY 34.7 (-2.2) 20.4 (+1.4) 27.5 (-0.5)
MARCH 51.2 (+6.3) 28.0 (+0.8) 39.6 (+3.6)
APRIL 60.1 (+2.5) 39.0 (+2.0) 49.6 (+2.3)
MAY 71.6 (+1.5) 50.0 (+2.3) 60.8 (+1.9)
JUNE 84.0 (+5.3) 61.9 (+4.3) 72.9 (+4.8)
JULY 79.6 (-4.5) 62.8 (-0.8) 71.2 (-2.6)
AUGUST 84.0 (+1.6) 66.8 (+4.7) 75.4 (+3.2)
SEPTEMBER 76.0 (+1.4) 58.1 (+4.0) 67.1 (+2.8)
OCTOBER 65.8 (+3.7) 49.3 (+7.0) 57.5 (+5.3)
NOVEMBER 51.6 (+1.6) 32.6 (-0.3) 42.1 (+0.6)
DECEMBER 43.3 (+4.0) 28.9 (+5.4) 36.1 (+4.7)
ANNUAL 61.5 (+1.7) 43.4 (+3.0) 52.4 (+2.3)
*NOTE THAT THE NWS BEGAN USING NEW 30-YEAR NORMAL VALUES IN MAY OF
2021. THE DEPARTURE FROM NORMAL LISTED HERE IS THE DEPARTURE FROM
THE NORMAL USED AT THE TIME. JANUARY THROUGH APRIL USES THE OLD
NORMAL VALUES, WHILE THE REMAINDER OF THE YEAR AND THE ANNUAL VALUES
ARE REPORTED RELATIVE TO THE NEW 1991-2020 NORMALS.
MONTHLY PRECIPITATION AND SNOWFALL TOTALS FOR 2021
MONTH PRECIPITATION SNOWFALL
JANUARY 2.24 (-0.78) 8.7
FEBRUARY 2.39 (-0.39) 20.0
MARCH 1.57 (-2.76) 0.3
APRIL 3.39 (-0.47) 1.4
MAY 3.43 (+0.05) 0
JUNE 1.63 (-2.41) 0
JULY 10.61 (+7.31) 0
AUGUST 2.88 (-0.47) 0
SEPTEMBER 5.78 (+2.06) 0
OCTOBER 4.41 (+0.53) 0
NOVEMBER 2.68 (-0.80) 0.1
DECEMBER 3.18 (-0.11) 6.6
ANNUAL 44.19 (+3.80) 37.1
*NOTE THAT THE NWS BEGAN USING NEW 30-YEAR NORMAL VALUES IN MAY OF
2021. THE DEPARTURE FROM NORMAL LISTED HERE IS THE DEPARTURE FROM
THE NORMAL USED AT THE TIME. JANUARY THROUGH APRIL USES THE OLD
NORMAL VALUES, WHILE THE REMAINDER OF THE YEAR AND THE ANNUAL VALUES
ARE REPORTED RELATIVE TO THE NEW 1991-2020 NORMALS.
DAYS WITH AT LEAST 1.00 INCH OF PRECIPITATION IN 2021
DAY PRECIPITATION
JANUARY 16 1.26
APRIL 16 1.06
JULY 3 1.05
JULY 9 1.69
JULY 12 1.21
JULY 18 1.13
JULY 29 1.05
AUGUST 19 1.14
SEPTEMBER 1 1.40
SEPTEMBER 2 1.40
SEPTEMBER 9 1.94
NOVEMBER 12 1.60
DAYS WITH AT LEAST 6 INCHES OF SNOWFALL IN 2021
DAYS SNOWFALL
NONE
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.
$$
SCHROETER