Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
000 CXUS51 KGYX 050152 CLSMHT PWMCLSMHT 000 TTAA00 GYX 011907 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 850 PM EST SAT DEC 04 2021 ................................... ...THE MANCHESTER CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2021 TO 11/30/2021... 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 86 09/15 89 -3 89 09/08 LOWEST 23 11/30 19 4 19 11/19 AVG. MAXIMUM 64.5 62.2 2.3 64.6 AVG. MINIMUM 46.7 43.1 3.6 44.2 MEAN 55.6 52.7 2.9 54.4 DAYS MAX >= 90 0 1.1 -1.1 0 DAYS MAX <= 32 0 0.7 -0.7 0 DAYS MIN <= 32 14 18.9 -4.9 16 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) TOTALS 12.87 11.08 1.79 9.75 DAILY AVG. 0.14 0.12 0.02 0.11 DAYS >= .01 31 30.5 0.5 25 DAYS >= .10 21 17.8 3.2 16 DAYS >= .50 8 7.1 0.9 7 DAYS >= 1.00 4 2.5 1.5 3 GREATEST 24 HR. TOTAL 2.44 09/01 TO 09/02 SNOWFALL (INCHES) TOTALS 0.1 2.5 SINCE 7/1 0.1 MM DAYS >= TRACE 5 4 DAYS >= 1.0 0 1 GREATEST SNOW DEPTH T 11/27 3 10/30 24 HR TOTAL 0.1 11/26 DEGREE DAYS HEATING TOTAL 938 1207 -269 1041 SINCE 7/1 948 1217 -269 1048 COOLING TOTAL 102 84 18 102 SINCE 1/1 964 773 191 1085 ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.9 HIGHEST WIND SPEED/DIRECTION 30/010 DATE 10/27 HIGHEST GUST SPEED/DIRECTION 46/360 DATE 10/27 SKY COVER AVERAGE SKY COVER 0.61 AVERAGE RH (PERCENT) 66 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 4 HEAVY RAIN 11 RAIN 15 LIGHT RAIN 36 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 4 FOG 46 FOG W/VIS <= 1/4 MILE 10 HAZE 8 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && UNSETTLED AND COOL CONDITIONS DOMINATED THE FIRST PART OF SEPTEMBER WITH THE REMNANTS OF HURRICANE IDA BRINGING HEAVY RAIN ON THE 1ST AND 2ND. TEMPERATURES THEN TRENDED ABOVE NORMAL THROUGH THE MIDDLE TO LATTER PART OF THE MONTH AS WARMER AND HUMID AIRMASSES CROSSED THE AREA WITH A COOL DOWN TO CLOSE OUT THE MONTH. AFTER 2.44 INCHES OF RAIN FROM THE REMNANTS OF IDA THE REST OF SEPTEMBER WAS CHARACTERIZED BY FREQUENT BOUTS OF LIGHT TO MODERATE RAIN WITHOUT ANY EXTENDED PERIODS OF DRY WEATHER. OCTOBER WAS WARM IN THE MANCHESTER AREA WITH THREE MULTI DAY STRETCHES OF TEMPERATURES RISING INTO THE 70S. THE LONGEST STRETCH OCCURRED FROM THE 11TH TO THE 16TH WITH SOME OF THESE DAYS WARMING INTO THE UPPER 70S. A PERIOD OF WET WEATHER OCCURRED EARLY IN OCTOBER FOLLOWED BY AN EXTENDED DRY PERIOD THROUGH THE MIDDLE OF THE MONTH. A MORE ACTIVE PATTERN DEVELOPED DURING THE SECOND HALF OF THE MONTH WITH A STRONG AREA OF LOW PRESSURE OVER SOUTHERN NEW ENGLAND BRINGING RAIN AND STRONG NORTH TO NORTHEAST WINDS ON THE 26TH INTO THE 27TH. THE HIGHEST WINDS GUST OCCURRED ON THE 27TH WHEN NORTH WIND GUSTS TOPPED OUT AT 46 MPH. ANOTHER STRONG LOW PRESSURE SYSTEM PASSED JUST TO THE EAST OF MANCHESTER BRINGING A SOAKING RAIN ON THE 30TH INTO THE 31ST. NOVEMBER WAS WARMER THAN NORMAL WITH BELOW NORMAL PRECIPITATION. AFTER A STORMY END TO OCTOBER THE WEATHER PATTERN TURNED QUIET OVER NEW ENGLAND FOR THE FIRST PART OF NOVEMBER. PERSISTENT HIGH PRESSURE KEPT THE MANCHESTER AREA PRECIPITATION FREE THROUGH THE FIRST WEEK AND A HALF WITH SOME MILD SUNNY DAYS AND COLD CLEAR NIGHTS. THE FIRST FREEZE OF THE FALL SEASON OCCURRED ON NOVEMBER 4TH WHEN THE LOW TEMPERATURE DROPPED TO 30 DEGREES. TOWARDS THE END OF THE SECOND WEEK OF NOVEMBER THE PATTERN TURNED MORE ACTIVE AS A BROAD AREA OF LOW PRESSURE TRACKED FROM THE GREAT LAKES THROUGH THE NORTHEAST. THE PATTERN REMAINED RELATIVELY ACTIVE THROUGH THE END OF NOVEMBER WITH FRONTAL PASSAGES BRINGING SEVERAL TEMPERATURE SWINGS. AFTER A MILD THANKSGIVING, A COLD FRONT CROSSED THE AREA WITH LOW PRESSURE DEVELOPING IN THE GULF OF MAINE LEADING TO THE FIRST MEASURABLE SNOWFALL OF 0.1 INCH ON THE 26TH. TEMPERATURES REMAINED BELOW AVERAGE TO CLOSE OUT THE MONTH WITH ADDITIONAL TRACES OF SNOWFALL ON THE 27TH, 28TH, AND 29TH. THE AVERAGE TEMPERATURE FOR THE FALL WAS 55.6 DEGREES, WHICH WAS 2.9 DEGREES ABOVE NORMAL. THE WARMEST FALL WAS IN 2017 WHEN THE AVERAGE TEMPERATURE WAS 55.7 DEGREES. THE COOLEST WAS 46.9 DEGREES IN 1936. A TOTAL OF 12.87 INCHES OF PRECIPITATION FELL, WHICH WAS 1.79 INCHES ABOVE NORMAL. THIS INCLUDES THE 0.1 INCHES OF SNOW THAT FELL ON NOVEMBER 26TH. THE HEAVIEST RAIN FELL ON SEPTEMBER 1ST AND 2ND WHEN THE REMNANTS OF IDA BROUGHT 2.44 INCHES OF RAIN. THE WETTEST FALL WAS IN 2018 WITH 19.45 INCHES. THE DRIEST WAS IN 1914 WITH ONLY 3.26 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. $$ SCHROETER