Climatological Report (Seasonal)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
692 CXUS51 KGYX 080131 CLSGYX PWMCLMGYX 000 TTAA00 KGYX 041800 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 830 PM EST SAT DEC 7 2019 ................................... ...THE GRAY ME CLIMATE SUMMARY FOR THE FALL SEASON, FROM 9/1/2019 TO 11/30/2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1995 TO 2019 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 85 09/23 86 -1 89 LOWEST 10 11/13 18 -8 3 AVG. MAXIMUM 56.2 58.0 -1.8 54.3 AVG. MINIMUM 40.3 40.6 -0.3 40.0 MEAN 48.3 49.3 -1.0 47.2 DAYS MAX >= 90 0 0.6 -0.6 0 DAYS MAX <= 32 5 2.1 2.9 6 DAYS MIN <= 32 23 22.6 0.4 30 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 26.48 2005 TOTALS 10.41 14.68 -4.27 17.79 DAILY AVG. 0.11 0.16 -0.05 0.20 DAYS >= .01 40 33.3 6.7 34 DAYS >= .10 19 20.7 -1.7 27 DAYS >= .50 7 9.3 -2.3 12 DAYS >= 1.00 3 4.7 -1.7 5 GREATEST 24 HR. TOTAL 1.73 10/23 2.41 SNOWFALL (INCHES) RECORDS TOTAL 23.9 1997 TOTALS 0.7 3.1 -2.4 20.8 SINCE 7/1 0.7 3.1 -2.4 20.8 SNOWDEPTH AVG. 0 DAYS >= TRACE 8 2.2 5.8 15 DAYS >= 1.0 0 0.9 -0.9 4 GREATEST SNOW DEPTH T 8 24 HR TOTAL 0.6 11/11 6.5 DEGREE_DAYS HEATING TOTAL 1525 1460 65 1675 SINCE 7/1 1536 1497 39 1686 COOLING TOTAL 27 30 -3 70 SINCE 1/1 433 389 44 521 .............................................................. - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && THE FALL BEGAN WITH A SERIES OF COOL, DRY AIR MASSES MOVING OUT OF CANADA. THIS BROUGHT MANY COOL DAYS AND EVEN COOLER NIGHTS. THE COOLEST TEMPERATURE OF THIS STRETCH WAS 41 DEGREES ON SEPTEMBER 19. BUT THEN SUMMER-LIKE WARMTH MADE A QUICK COMEBACK. HEAT WHICH HAD BEEN BUILDING OVER THE SOUTHEAST US SPILLED INTO NEW ENGLAND WITH THE NEXT 5 DAYS SEEING TEMPERATURES IN THE UPPER 70S AND LOW 80S. AFTER THIS LATE SEASON WARM UP, THE TREND OF COOL, DRY AIR MASSES COMING OUT OF CANADA RETURNED FOR THE NEXT FEW WEEKS. THIS TIME THE TEMPERATURE BOTTOMED OUT AT 37 DEGREES ON OCTOBER 3, 4, AND 5. SOON THE PATTERN CHANGED AGAIN WITH A LARGE UPPER TROUGH DEVELOPING OVER THE CENTER OF THE COUNTRY. THIS ALLOWED WARM, MOIST AIR TO MOVE TOWARD NEW ENGLAND ALONG WITH MORE FREQUENT RAINFALL. THE CLOUDS AND RAIN BROUGHT MANY COOL DAYS AND WARM NIGHTS. A SERIES OF STORM SYSTEMS BEGAN AFFECTING THE AREA IN LATE OCTOBER. THE FIRST WAS ON OCTOBER 17 WITH MORE THAN AN INCH OF RAIN ALONG WITH STRONG WINDS. THE NEXT CAME A WEEK LATER WITH NEARLY 2 INCHES OF RAIN ON OCTOBER 22 AND 23. ANOTHER INCH FELL ON OCTOBER 27. THE LAST BROUGHT RAIN ON HALLOWEEN. STRONG WINDS BLEW BEHIND THIS SYSTEM WITH THE LAST WARM DAY OF THE FALL COMING ON NOVEMBER 1 AT 64 DEGREES. THE FIRST FREEZE CAME A DAY LATER. EVEN COLDER AIR MOVED IN ON NOVEMBER 7 WITH MUCH OF THE NEXT TWO WEEKS SEEING TEMPERATURES 10 TO 15 DEGREES BELOW NORMAL. THE FIRST ACCUMULATING SNOW OF THE SEASON CAME ON NOVEMBER 11 AND COLD TEMPERATURES ALLOWED THIS TO STICK AROUND FOR MORE THAN A WEEK. GRADUALLY, THOUGH, THE TEMPERATURE DRIFTED BACK TOWARD NORMAL AND THE LAST FEW STORM SYSTEMS BROUGHT MOSTLY RAIN. THE AVERAGE TEMPERATURE FOR THE FALL WAS 48.3 DEGREES WHICH WAS 1.0 DEGREES BELOW NORMAL. THE COOLEST FALL WAS JUST LAST YEAR WHEN THE AVERAGE TEMPERATURE WAS 47.2 DEGREES. THE WARMEST WAS THE YEAR BEFORE THAT WHEN IT WAS 53.0 DEGREES IN 2017. A TOTAL OF 10.41 INCHES OF PRECIPITATION FELL WHICH WAS 4.27 INCHES BELOW NORMAL AND THE DRIEST FALL SINCE 2012. THE HEAVIEST PRECIPITATION CAME ON OCTOBER 22 AND 23 WHEN 1.97 INCHES OF RAIN WAS RECORDED. THE DRIEST FALL WAS IN 2001 WHEN ONLY 8.91 INCHES WAS MEASURED. THE WETTEST WAS IN 2005 WITH 26.48 INCHES. THERE WAS 0.7 INCHES OF SNOWFALL WHICH WAS 2.4 INCHES BELOW NORMAL. ALL OF THIS FELL ON NOVEMBER 11 AND 12. SNOW IN FALL IS QUITE VARIABLE WITH MOST OF IT FALLING IN THE LAST HALF OF NOVEMBER JUST AS THE SNOW SEASON IS GETTING STARTED. THE SNOWIEST FALL WAS IN 1997 WHEN 23.9 INCHES FELL. THERE HAVE BEEN 4 FALLS THAT ONLY SAW A TRACE OF SNOWFALL, MOST RECENTLY IN 2006. $$ KIMBLE