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