Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
734 CXUS51 KGYX 032150 CLSMHT PWMCLSMHT 000 TTAA00 GYX 032150 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 450 PM EST MON MAR 03 2021 ................................... ...THE MANCHESTER CLIMATE SUMMARY FOR THE SEASON, FROM 12/1/2020 TO 2/28/2021... CLIMATE NORMAL PERIOD: 1981 TO 2010 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 64 12/01 62 2 69 01/12 LOWEST 4 01/31 -5 9 -7 02/15 12/19 02/10 AVG. MAXIMUM 37.1 36.1 1.0 39.1 AVG. MINIMUM 22.8 19.1 3.7 23.3 MEAN 29.9 27.6 2.3 31.2 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 26 31.1 -5.1 19 DAYS MIN <= 32 82 82.1 -0.1 78 DAYS MIN <= 0 0 3.0 -3.0 1 PRECIPITATION (INCHES) TOTALS 9.18 9.08 0.10 10.25 DAILY AVG. 0.10 0.10 0.00 0.11 DAYS >= .01 25 30.3 -5.3 28 DAYS >= .10 15 17.7 -2.7 20 DAYS >= .50 5 6.2 -1.2 8 DAYS >= 1.00 3 1.7 1.3 1 GREATEST 24 HR. TOTAL 2.09 12/05 TO 12/05 SNOWFALL (INCHES) TOTALS 44.9 39.5 SINCE 7/1 47.4 39.5 SNOWDEPTH AVG. 3 3 DAYS >= TRACE 37 29 DAYS >= 1.0 11 10 GREATEST SNOW DEPTH 10 12/18 16 12/04 12/03 24 HR TOTAL 10.1 12/17 DEGREE DAYS HEATING TOTAL 3128 3370 -242 3048 SINCE 7/1 4176 4664 -488 4289 COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 0 ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.8 HIGHEST WIND SPEED/DIRECTION 41/020 DATE 12/17 HIGHEST GUST SPEED/DIRECTION 42/320 DATE 12/05 SKY COVER AVERAGE SKY COVER 0.67 AVERAGE RH (PERCENT) 63 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 HEAVY RAIN 3 RAIN 5 LIGHT RAIN 12 FREEZING RAIN 1 LT FREEZING RAIN 2 HEAVY SNOW 3 SNOW 9 LIGHT SNOW 34 FOG 32 FOG W/VIS <= 1/4 MILE 8 HAZE 22 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && WINTER BEGAN WITH 64 DEGREES ON DECEMBER 1, ALTHOUGH COOLER AIR WAS MOVING IN THROUGH THE DAY ON THE BACK SIDE OF AN EXITING STORM SYSTEM. MILD WEATHER CONTINUED FOR A FEW DAYS BEFORE THE NEXT STORM ARRIVED ON DECEMBER 5. THIS ONE BROUGHT RAIN AND A STICKY WET SNOWFALL AND RAIN WHICH TOTALED 3.8 INCHES. EVEN COOLER WEATHER MOVED IN BEHIND THIS STORM. BY MID DECEMBER, A WEEK OF BELOW NORMAL TEMPERATURES. RIGHT IN THE MIDDLE OF THIS STRETCH A STRONG STORM SYSTEM BROUGHT HEAVY SNOW ON DECEMBER 17 WHEN 10.1 INCHES WAS MEASURED IN A LITTLE MORE THAN 12 HOURS. THE COLD WEATHER CONTINUED A FEW MORE DAYS, BOTTOMING OUT AT 4 ABOVE ZERO ON DECEMBER 19. BUT BY CHRISTMAS, WARMER WEATHER HAD RETURNED. A STORM SYSTEM ON CHRISTMAS DAY BROUGHT 62 DEGREES OF WARMTH AND MORE THAN 1.5 INCHES OF RAIN. SNOW FELL ON 5 OF THE FIRST 6 DAYS OF JANUARY, BUT IT NEVER AMOUNTED TO VERY MUCH. DAYTIME HIGHS FREQUENTLY REACHED THE UPPER 30S TO 50 DEGREES, BUT THE CLOUDY WEATHER KEPT NIGHTTIME LOWS MUCH WARMER THAN NORMAL. THIS PERIOD OF MILD WEATHER PEAKED ON JANUARY 16 WHEN THE TEMPERATURE REACHED 50 DEGREES AND MORE THAN 1 INCH OF RAIN FELL. SOME COOLER WEATHER RETURNED BEHIND THIS STORM. THE NEXT BIG STORM WAS ON FEBRUARY 1 AN 2 WHEN 7.9 INCHES OF SNOW AND SLEET FELL. A VERY COLD ARCTIC AIR MASS SPILLED INTO THE CENTRAL UNITED STATES IN EARLY FEBRUARY, AND NEW ENGLAND FOUND ITSELF ON THE EASTERN EDGE OF THIS AIR MASS. THIS BROUGHT CONSISTENTLY COLD WEATHER AND A FEW WINTER STORMS, BUT SPARED THE REGION THE MORE BRUTAL COLD OBSERVED TO THE WEST. THE TEMPERATURE STAYED BELOW FREEZING FOR THE BETTER PART OF TWO WEEKS IN MID FEBRUARY. THE COLDEST TEMPERATURE WAS 4 ABOVE ZERO ON FEBRUARY 10. SNOW, SLEET, AND FREEZING RAIN FELL ON FEBRUARY 16 WITH MORE SNOW FALLING ON FEBRUARY 19. FINALLY MORE MILD WEATHER RETURNED FOR THE LAST WEEK OF FEBRUARY. THE AVERAGE TEMPERATURE FOR THE WINTER WAS 29.9 DEGREES WHICH WAS 2.3 DEGREES ABOVE NORMAL. THE WARMEST WINTER WAS IN 2015-16 WHEN THE AVERAGE TEMPERATURE WAS 33.7 DEGREES. THE COLDEST WAS IN 1947-48 WHEN IT WAS 19.3 DEGREES. A TOTAL OF 9.18 INCHES OF PRECIPITATION FELL WHICH WAS 0.10 INCHES ABOVE NORMAL. THE HEAVIEST PRECIPITATION FELL IN DECEMBER ON 5TH WITH 2.09 INCHES OF LIQUID EQUIVALENT PRECIPITATION. THE WETTEST WINTER WAS IN 1886-87 WHEN 15.41 INCHES WAS RECORDED. THE DRIEST WAS IN 1930-31 WHEN ONLY 5.56 INCHES FELL. THERE WAS 44.9 INCHES OF SNOWFALL FOR THE WINTER SEASON. THE HEAVIEST SNOW WAS ON DECEMBER 17 WHEN 10.1 INCHES WAS MEASURED. 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. $$ BECKER