Climatological Report (Seasonal)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
000 CXUS51 KGYX 120408 CLSGYX PWMCLSGYX 000 TTAA00 GYX 082134 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 434 PM EST THU DEC 08 2022 ................................... ...THE GRAY ME CLIMATE SUMMARY FOR THE FALL SEASON, FROM 9/1/2022 TO 11/30/2022... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1995 TO 2022 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 96 09/09/2002 LOW 3 11/22/2018 HIGHEST 82 09/10 86 -4 79 LOWEST 15 11/21 18 -3 17 AVG. MAXIMUM 60.1 58.1 2.0 59.6 AVG. MINIMUM 42.4 41.2 1.2 44.0 MEAN 51.2 49.6 1.6 51.8 DAYS MAX >= 90 0 0.4 -0.4 0 DAYS MAX <= 32 1 2.3 -1.3 0 DAYS MIN <= 32 19 22.3 -3.3 19 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 26.48 2005 TOTALS 17.46 14.39 3.07 15.20 DAILY AVG. 0.19 0.16 0.03 0.17 DAYS >= .01 31 32.9 -1.9 39 DAYS >= .10 24 20.1 3.9 24 DAYS >= .50 14 9.3 4.7 8 DAYS >= 1.00 7 4.3 2.7 6 GREATEST 24 HR. TOTAL 3.38 10/13 TO 10/14 3.30 SNOWFALL (INCHES) RECORDS TOTAL 23.9 1997 TOTALS 1.6 4.4 -2.8 0.4 SINCE 7/1 1.6 4.4 -2.8 0.4 SNOWDEPTH AVG. 0 DAYS >= TRACE 7 2.5 4.5 7 DAYS >= 1.0 1 1.1 -0.1 0 GREATEST SNOW DEPTH 1 11/16 T 24 HR TOTAL 1.2 11/16 0.4 DEGREE DAYS HEATING TOTAL 1261 1436 -175 1202 SINCE 7/1 1264 1471 -207 1250 COOLING TOTAL 34 38 -4 26 SINCE 1/1 584 395 189 536 .............................................................. - 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 BEFORE ANOTHER STALLED FRONTAL BOUNDARY BROUGHT A WIDESPREAD SOAKING RAINFALL EVENT ON THE 18TH AND 19TH. 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. THE MIDDLE OF OCTOBER WAS PARTICULARLY ACTIVE WITH ONE STORM SYSTEM BRINGING A STORM TOTAL 3.49 INCHES OF RAIN THE NIGHT OF THE 13TH THROUGH THE 14TH AND ANOTHER SYSTEM BRINGING 1.47 INCHES OF RAIN ON THE 17TH INTO THE 18TH. THE FIRST FREEZE OF THE FALL SEASON OCCURRED ON OCTOBER 29TH WHEN THE LOW TEMPERATURE REACHED 31 DEGREES. THE RELATIVELY ACTIVE PATTERN TRANSITIONED TO A MILD AND DRY PATTERN TO CLOSE OUT THE MONTH OF OCTOBER. MOSTLY DRY CONDITIONS CONTINUED THROUGH EARLY NOVEMBER ALONG WITH EXCEPTIONAL WARMTH THROUGH THE FIRST WEEK AND A HALF. DURING THIS WARM PERIOD THE HIGH TEMPERATURE IN GRAY ECLIPSED THE 70 DEGREE MARK FIVE TIMES WITH THE WARMEST TEMPERATURE EVER RECORDED IN NOVEMBER OCCURRING ON NOVEMBER 5TH WHEN THE HIGH TEMPERATURE REACHED 76 DEGREES. THE JET STREAM CONFIGURATION ACROSS NORTH AMERICA DURING THIS WARM STRETCH CONSISTED OF A DEEP TROUGH ALONG THE WEST COAST AND AN ANOMALOUS RIDGE OF HIGH PRESSURE CENTERED OVER NORTHERN NEW ENGLAND. THE RIDGE OF HIGH PRESSURE OVER NEW ENGLAND BROKE DOWN DURING THE MIDDLE OF NOVEMBER LEADING TO TEMPERATURES TRENDING BELOW NORMAL THROUGH THE END OF FALL WITH A COUPLE OF FRONTAL SYSTEMS CROSSING THE AREA. ONE OF THESE FRONTAL SYSTEMS BROUGHT THE FIRST MEASURABLE SNOWFALL OF THE SEASON WHEN 1.3 INCHES FELL NOVEMBER 16TH INTO THE 17TH. THE AVERAGE TEMPERATURE FOR THE FALL SEASON WAS 51.2 DEGREES, WHICH WAS 1.6 DEGREES ABOVE NORMAL. THE WARMEST FALL ON RECORD WAS IN 2017 WHEN THE AVERAGE TEMPERATURE WAS 53.0 DEGREES. THE COOLEST WAS 47.2 DEGREES IN 2018. A TOTAL OF 17.46 INCHES OF PRECIPITATION FELL, WHICH WAS 3.07 INCHES ABOVE NORMAL. THE HEAVIEST PRECIPITATION FELL ON OCTOBER 13TH INTO THE 14TH WHEN A STORM TOTAL OF 3.49 INCHES WAS MEASURED. THE WETTEST FALL ON RECORD WAS IN 2005 WHEN 26.48 INCHES OF PRECIPITATION FELL. THE DRIEST WAS 8.91 INCHES IN 2001. A TOTAL OF 1.6 INCHES OF SNOW FELL, WHICH WAS 2.8 INCHES BELOW NORMAL. ALL OF THIS SNOW FELL IN NOVEMBER WITH THE MAJORITY OCCURRING ON NOVEMBER 16TH INTO THE 17TH WHEN 1.3 INCHES WAS MEASURED. FALL SNOWFALL IS OFTEN HIT OR MISS. IN THE 28-YEAR HISTORY OF OBSERVATIONS AT THE NATIONAL WEATHER SERVICE OFFICE IN GRAY THERE HAVE BEEN 4 YEARS WHICH RECORDED ONLY A TRACE OF SNOW IN FALL, MOST RECENTLY IN 2006. THE SNOWIEST FALL WAS IN 1997 WHEN 23.9 INCHES FELL. $$ DS