Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
000 CXUS51 KGYX 160514 CLSMHT PWMCLSMHT 000 TTAA00 GYX 091753 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 1252 PM EST FRI DEC 09 2022 ................................... ...THE MANCHESTER CLIMATE SUMMARY FOR THE FALL SEASON, FROM 9/1/2022 TO 11/30/2022... 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) HIGHEST 90 09/04 89 1 86 09/15 LOWEST 16 11/21 19 -3 23 11/30 AVG. MAXIMUM 64.7 62.2 2.5 64.5 AVG. MINIMUM 43.3 43.1 0.2 46.7 MEAN 54.0 52.7 1.3 55.6 DAYS MAX >= 90 1 1.1 -0.1 0 DAYS MAX <= 32 0 0.7 -0.7 0 DAYS MIN <= 32 18 18.9 -0.9 14 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) TOTALS 12.72 11.08 1.64 12.87 DAILY AVG. 0.14 0.12 0.02 0.14 DAYS >= .01 18 30.5 -12.5 31 DAYS >= .10 13 17.8 -4.8 21 DAYS >= .50 8 7.1 0.9 8 DAYS >= 1.00 2 2.5 -0.5 4 GREATEST 24 HR. TOTAL 2.21 09/22 SNOWFALL (INCHES) TOTALS T 0.1 SINCE 7/1 T 0.1 DAYS >= TRACE 4 5 DAYS >= 1.0 0 0 GREATEST SNOW DEPTH 0 T 11/27 DEGREE DAYS HEATING TOTAL 1051 1207 -156 938 SINCE 7/1 1051 1217 -166 948 COOLING TOTAL 70 84 -14 102 SINCE 1/1 1020 773 247 964 ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.9 HIGHEST WIND SPEED/DIRECTION 37/320 DATE 09/23 HIGHEST GUST SPEED/DIRECTION 50/290 DATE 11/20 SKY COVER AVERAGE SKY COVER 0.54 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 5 HEAVY RAIN 15 RAIN 15 LIGHT RAIN 36 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 4 FOG 36 FOG W/VIS <= 1/4 MILE 6 HAZE 7 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && A COLD FRONT CROSSED NEW ENGLAND TO START THE FALL SEASON FOLLOWED BY A FEW DAYS OF HIGH PRESSURE THAT BROUGHT WARM AND SUNNY DAYS AND COOL NIGHTS. ANOTHER COLD FRONT TRACKED INTO NEW ENGLAND AND STALLED OVER THE AREA WITH SEVERAL WAVES OF LOW PRESSURE TRACKING ALONG THE FRONT BRINGING PERIODS OF MODERATE TO HEAVY RAIN. THIS WAS THEN FOLLOWED BY A DRIER STRETCH OF WEATHER FOR THE SECOND WEEK OF SEPTEMBER. ADDITIONAL FRONTAL SYSTEMS CROSSED THE MANCHESTER AREA THROUGH THE SECOND HALF OF SEPTEMBER WITH THE HEAVIEST RAIN OF THE FALL SEASON OCCURRING ON SEPTEMBER 22ND WHEN THUNDERSTORMS BROUGHT 2.21 INCHES OF RAIN. ANOTHER FEATURE OF INTEREST DURING SEPTEMBER WAS TROPICAL STORM FIONA PASSING WELL OFFSHORE ON SEPTEMBER 23RD AND 24TH BRINGING HIGH SURF CONDITIONS TO AREA BEACHES. DURING OCTOBER A RIDGE IN THE JET STREAM DEVELOPED OVER THE WEST COAST OF NORTH AMERICA WITH A TROUGH OF LOW PRESSURE OVER THE GREAT LAKES AND ANOTHER RIDGE NEAR NEWFOUNDLAND. THIS JET STREAM CONFIGURATION LED TO SEVERAL FRONTAL SYSTEMS TRACKING FROM THE OHIO VALLEY ACROSS NEW ENGLAND BRINGING PERIODS OF RAIN AND MULTIPLE TEMPERATURE SWINGS. ALTHOUGH THIS WAS A RELATIVELY ACTIVE PATTERN, THE MANCHESTER AREA WAS OFTEN TOO FAR WEST OF THE AXIS OF HEAVIEST PRECIPITATION. THERE WAS A PRONOUNCED PATTERN CHANGE AT THE END OF OCTOBER THROUGH EARLY NOVEMBER WHEN A TROUGH OF LOW PRESSURE DEVELOPED ALONG THE WEST COAST OF NORTH AMERICA AND A RIDGE OF HIGH PRESSURE FORMED OVER NEW ENGLAND. THIS LEAD TO MOSTLY DRY CONDITIONS AND EXCEPTIONAL WARMTH THROUGH THE FIRST WEEK AND A HALF OF NOVEMBER. DURING THE FIRST 12 DAYS OF NOVEMBER THE AVERAGE TEMPERATURE WAS 56.5 DEGREES AND WAS THE WARMEST 12 DAY STRETCH DURING NOVEMBER ON RECORD BEATING THE PREVIOUS WARMEST 12 DAYS BY 3.5 DEGREES, WHICH OCCURRED FROM NOVEMBER 5TH THROUGH 16TH BACK IN 2020. ALSO DURING THIS STRETCH THE HIGH TEMPERATURE EXCEEDED THE 70 DEGREE MARK SEVEN TIMES, AND A NEW ALL TIME RECORD HIGH FOR THE MONTH OF NOVEMBER OCCURRED ON THE 5TH WHEN THE HIGH TEMPERATURE REACHED 79 DEGREES. THE RIDGE OVER NEW ENGLAND BROKE DOWN DURING THE MIDDLE OF NOVEMBER WITH THE DOMINANT PATTERN THROUGH THE END OF FALL CONSISTING OF A RIDGE OF HIGH PRESSURE OVER WESTERN CANADA AND TROUGH OF LOW PRESSURE OVER NEW ENGLAND. THIS PATTERN ALLOWED FOR A COUPLE OF FRONTAL SYSTEMS TO CROSS NEW ENGLAND, BRINGING MAINLY BOUTS OF RAIN ALTHOUGH MANCHESTER DID SEE A FEW DAYS WITH A TRACE OF SNOWFALL. ADDITIONALLY, THE TROUGH OF LOW PRESSURE OVER NEW ENGLAND ALLOWED TEMPERATURES TO TREND BELOW NORMAL THROUGH THE SECOND HALF OF NOVEMBER. THE AVERAGE TEMPERATURE FOR FALL WAS 54.0 DEGREES, WHICH WAS 1.3 DEGREES ABOVE NORMAL. THE WARMEST FALL ON RECORD WAS IN 2017 WHEN THE AVERAGE TEMPERATURE WAS 55.7 DEGREES. THE COOLEST WAS 46.9 DEGREES IN 1936. A TOTAL OF 12.72 INCHES OF PRECIPITATION FELL, WHICH WAS 1.64 INCHES ABOVE NORMAL. THE HEAVIEST PRECIPITATION FELL FROM THUNDERSTORMS ON SEPTEMBER 22ND WHEN 2.21 INCHES OF RAIN FELL. THE WETTEST FALL ON RECORD WAS IN 2018 WHEN 19.45 INCHES OF PRECIPITATION FELL. THE DRIEST WAS 3.26 INCHES IN 1914. NO MEASURABLE SNOWFALL WAS RECORDED IN MANCHESTER, ALTHOUGH A TRACE OF SNOW WAS RECORDED EACH DAY FROM NOVEMBER 15TH TO NOVEMBER 18TH. 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. $$ DS