Climatological Report (Monthly)
Issued by NWS Portland, ME

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000 CXUS51 KGYX 051239 CLMPWM PWMCLMPWM 000 TTAA00 KGYX 020051 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 740 AM EST FRI DEC 5 2014 ................................... ...THE PORTLAND ME CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2014... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1941 TO 2014 /FOR TEMPERATURES/ CLIMATE RECORD PERIOD 1871 TO 2014 /FOR PRECIPITATION/ CLIMATE RECORD PERIOD 1882 TO 2014 /FOR SNOWFALL/ WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 74 11/01/2003 11/04/1987 11/01/1974 LOW 3 11/24/1989 HIGHEST 66 11/05 65 1 69 11/01 LOWEST 11 11/29 16 -5 12 11/30 AVG. MAXIMUM 47.3 48.0 -0.7 46.4 AVG. MINIMUM 30.4 30.9 -0.5 28.5 MEAN 38.8 39.4 -0.6 37.5 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 2 0.8 1.2 4 DAYS MIN <= 32 18 17.7 0.3 22 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 13.50 1983 MINIMUM 0.56 1939 TOTALS 3.96 4.93 -0.97 3.41 DAILY AVG. 0.13 0.16 -0.03 0.11 DAYS >= .01 10 11.2 -1.2 9 DAYS >= .10 7 7.4 -0.4 5 DAYS >= .50 3 3.1 -0.1 1 DAYS >= 1.00 1 1.3 -0.3 1 GREATEST 24 HR. TOTAL 1.31 11/26 TO 11/27 SNOWFALL (INCHES) RECORDS TOTAL 24.3 1921 TOTALS 10.3 1.9 8.4 0.5 SINCE 7/1 10.3 1.9 8.4 SNOWDEPTH AVG. 1 DAYS >= TRACE 8 1.5 6.5 DAYS >= 1.0 3 0.7 2.3 GREATEST SNOW DEPTH 7 11/27 24 HR TOTAL 8.4 11/26 TO 11/27 DEGREE_DAYS HEATING TOTAL 777 767 10 819 SINCE 7/1 1311 1491 -180 1451 COOLING TOTAL 0 0 0 0 SINCE 1/1 351 359 -8 454 ................................................................. WIND (MPH) AVERAGE WIND SPEED 7.8 HIGHEST WIND SPEED/DIRECTION 37/320 DATE 11/02 HIGHEST GUST SPEED/DIRECTION 46/310 DATE 11/02 SKY COVER AVERAGE SKY COVER 0.60 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 HEAVY RAIN 1 RAIN 3 LIGHT RAIN 7 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 1 SNOW 2 LIGHT SNOW 7 FOG 14 FOG W/VIS <= 1/4 MILE 4 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && THE WARM WEATHER THAT DOMINATED THE MONTH OF OCTOBER CAME TO AN ABRUPT END IN NOVEMBER. THE FIRST SNOW OF THE SEASON FELL ON THE 2ND AND THE FIRST FREEZE FINALLY ARRIVED ON THE 3RD. AFTER THIS INITIAL COLD SNAP THERE WAS A RETURN TO SOME WARMER WEATHER FOR THE SECOND WEEK OF THE MONTH. BUT COLD AIR ARRIVED AGAIN IN THE MIDDLE OF THE MONTH INCLUDING ANOTHER ROUND OF LIGHT SNOW. RECORD WARMTH OCCURRED ON THE 24TH AND 25TH, BUT THE BIGGEST WEATHER EVENT OF THE MONTH WAS THE HEAVY SNOW THAT FELL JUST BEFORE THANKSGIVING, HAMPERING MANY HOLIDAY TRAVEL PLANS. THE AVERAGE TEMPERATURE FOR THE MONTH WAS 38.8 DEGREES WHICH WAS 0.6 DEGREES BELOW NORMAL. THE WARMEST NOVEMBER EVER WAS 44.7 DEGREES IN 2011. THE COLDEST WAS 1967 WHEN THE AVERAGE TEMPERATURE WAS ONLY 34.8 DEGREES. THE FIRST FREEZE OF THE SEASON OCCURRED ON NOVEMBER 3. THIS WAS ONE DAY AFTER THE FIRST SNOW OF THE SEASON. NEVER BEFORE HAD PORTLAND SEEN ITS FIRST SNOWFALL BEFORE ITS FIRST FREEZE. THE NORMAL FIRST FREEZE OF THE SEASON IS OCTOBER 9. THE EARLIEST ON RECORD WAS SEPTEMBER 14, 1963 WHILE THE LATEST ON RECORD UNTIL THIS YEAR WAS OCTOBER 25, 2013. THIS YEAR BROKE THAT RECORD BY MORE THAN A WEEK. THE TABLE BELOW LISTS THE LATEST DATES OF THE FIRST FALL FREEZE ON RECORD. LATEST DATE OF FIRST FALL FREEZE (RECORDS BEGAN 1941)... RANK DATE 1 NOVEMBER 3, 2014 <=== 2 OCTOBER 25, 2013 OCTOBER 25, 1949 4 OCTOBER 21, 2005 OCTOBER 21, 1990 OCTOBER 21, 1985 7 OCTOBER 19, 1970 8 OCTOBER 18, 2008 9 OCTOBER 17, 2007 10 OCTOBER 16, 1969 OCTOBER 16, 1948 WITH THE LATEST DATE OF THE FIRST FALL FREEZE ON RECORD, THE GROWING SEASON AT PORTLAND WAS ALSO THE LONGEST ON RECORD IN 2014. THE GROWING SEASON IS DEFINED AS THE NUMBER OF DAYS BETWEEN THE LAST FREEZE IN SPRING AND THE FIRST FREEZE IN FALL. THE AVERAGE LENGTH OF THE GROWING SEASON IN PORTLAND IS 158 DAYS. THE SHORTEST GROWING SEASON WAS IN 1961 AT ONLY 110 DAYS. THE FOLLOWING TABLE LISTS THE TOP TEN LONGEST GROWING SEASONS AT PORTLAND. LONGEST GROWING SEASONS (RECORDS BEGAN 1941)... RANK DAYS YEAR 1 196 2014 <=== 2 184 1990 3 181 1970 4 179 1983 5 176 2013 6 175 1991 7 173 2007 8 170 1994 9 169 2005 10 168 2008 A TOTAL OF 3.96 INCHES OF PRECIPITATION FELL DURING THE MONTH. THIS WAS 0.97 INCHES BELOW NORMAL. THE MOST PRECIPITATION FELL ON THE 26TH AND 27TH WHEN 1.31 INCHES WAS OBSERVED, MUCH OF THAT FALLING AS SNOW. THE WETTEST NOVEMBER ON RECORD WAS 1983 WHEN 13.50 INCHES OF PRECIPITATION WAS RECORDED. THE DRIEST WAS 1939 WITH ONLY 0.56 INCHES. THERE WAS A TOTAL OF 10.3 INCHES OF SNOW MEASURED IN NOVEMBER. THIS WAS 8.4 INCHES ABOVE NORMAL AND THE SNOWIEST NOVEMBER SINCE 1997. MUCH OF THAT SNOW FELL JUST BEFORE THANKSGIVING WHEN 8.5 INCHES FELL OVER THE HOLIDAY PERIOD. THE SNOWIEST NOVEMBER ON RECORD WAS 1921 WHEN 24.3 INCHES FELL. THERE HAVE BEEN MANY NOVEMBERS WHICH SAW ONLY TRACES OF SNOW AND 5 WHICH SAW NO SNOW AT ALL. THE FIRST SNOW OF THE SEASON FELL ON NOVEMBER 3 WHEN 0.4 INCHES WAS RECORDED. THIS WAS SEVERAL WEEKS EARLIER THAN THE AVERAGE FIRST DATE OF MEASURABLE SNOWFALL OF NOVEMBER 28. THE EARLIEST FIRST SNOWFALL WAS OCTOBER 10, 1979. THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN NOVEMBER 2014... DATE RECORD PREVIOUS 24 63 - WARMEST HIGH TEMPERATURE 60 IN 1999 25 64 - WARMEST HIGH TEMPERATURE 61 IN 1946 AND 1953 25 55 - WARMEST AVERAGE TEMPERATURE 54 IN 1953 AND 1979 26 7.4 - GREATEST DAILY SNOWFALL 7.0 IN 1885 $$ KIMBLE

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