000 CXUS51 KGYX 061615 CLAPWM PORTLAND CLIMATE DATA FOR THE YEAR 2009 NATIONAL WEATHER SERVICE GRAY ME 1115 AM EST WED JAN 6 2010 THE YEAR 2009 IN PORTLAND MAINE WILL GO INTO THE RECORD BOOKS AS ONE OF THE WETTEST YEARS EVER RECORDED IN THE PAST 139 YEARS. HERE ARE SOME OF THE CLIMATOLOGICAL STATISTICS AND A DISCUSSION OF THE WEATHER HIGHLIGHTS FOR THE PAST YEAR. TEMPERATURE DATA YEAR 2009 NORMAL DEPARTURE AVG. MONTHLY 46.1 45.7 PLUS 0.4 AVG. MAXIMUM 55.1 55.2 MINUS 0.1 AVG. MINIMUM 37.1 36.3 PLUS 0.8 NUMBER OF DAYS: YEAR 2009 NORMAL MAXIMUM 90 OR ABOVE 4 4.5 MINUS 0.5 MAXIMUM 32 OR BELOW 48 47.7 PLUS 0.3 MINIMUM 32 OR BELOW 139 154.7 MINUS 15.7 MINIMUM 0 OR BELOW 10 13.3 MINUS 3.3 HIGHEST TEMPERATURE... 92 ON APRIL 28TH LOWEST TEMPERATURE... -16 ON JANUARY 16TH COLDEST HIGH... 14 ON JANUARY 15TH & 16TH WARMEST LOW.... 71 ON AUGUST 23RD WARMEST DAY... AUGUST 19TH WITH AN AVERAGE OF 80 DEGREES COLDEST DAY... JANUARY 16TH WITH AN AVERAGE OF -1 DEGREE YEAR 2009 NORMAL DEPARTURE HEATING DEGREE DAYS 7076 7318 MINUS 242 COOLING DEGREE DAYS 304 347 MINUS 43 HEATING AND COOLING DEGREE DAYS LISTED ARE FOR THE CALENDAR YEAR. THE HEATING DEGREE DAY SEASON NORMALLY RUNS FROM JULY 1ST THROUGH JUNE 30TH...WHILE THE COOLING DEGREE SEASON NORMALLY RUNS FROM JANUARY 1ST THROUGH DECEMBER 31ST. PRECIPITATION 58.61 45.83 PLUS 12.78 SNOWFALL 67.7 66.4 PLUS 1.3 GREATEST PRECIPITATION IN 24 HOURS... 5.25 INCHES ON NOVEMBER 14-15TH GREATEST SNOWFALL IN 24 HOURS... 11.6 INCHES ON JANUARY 18-19TH GREATEST SNOW DEPTH ON GROUND... 16 INCHES ON JANUARY 29TH THE FOLLOWING DATA IS FOR A CALENDAR DAY /MIDNIGHT TO MIDNIGHT/... NUMBER OF DAYS WITH PRECIPITATION OF NORMAL DEPARTURE .01 INCH OR MORE 136 128.1 PLUS 7.9 .10 INCH OR MORE 81 77.3 PLUS 3.7 .50 INCH OR MORE 33 28.9 PLUS 4.1 1.00 INCH OR MORE 19 10.7 PLUS 8.3 NUMBER OF DAYS WITH SNOWFALL OF NORMAL DEPARTURE 1 WHOLE INCH OR MORE 16 17.2 MINUS 1.2 3 WHOLE INCHES OR MORE 8 9.0 MINUS 1.0 6 WHOLE INCHES OR MORE 3 3.6 MINUS 0.6 NUMBER OF DAYS WITH THUNDERSTORMS... 10 17.6 MINUS 7.6 NUMBER OF DAYS WITH HEAVY FOG... 52 48.6 PLUS 3.4 (VISIBILITY 1/4 MILE OR LESS) ...PORTLAND MAINE 2009 MONTHLY TEMPERATURE DATA... (RANK: 1ST = WARMEST, 69TH = COLDEST) DEPARTURE MONTH AVG HIGH AVG LOW MEAN TEMP FROM NORMAL RANK JAN 27.9 7.1 17.5 MINUS 4.2 17TH FEB 35.8 16.0 25.9 PLUS 1.1 20TH (TIED) MAR 41.5 24.4 33.0 MINUS 0.7 32ND APR 57.0 36.4 46.7 PLUS 3.0 2ND MAY 64.5 45.7 55.1 PLUS 1.3 12TH JUN 67.9 54.1 61.0 MINUS 1.9 54TH (TIED) JUL 74.0 58.3 66.2 MINUS 2.5 62ND AUG 79.0 60.4 69.7 PLUS 2.5 10TH SEP 69.5 48.6 59.1 PLUS 0.4 37TH OCT 55.5 38.2 46.9 MINUS 0.8 56TH NOV 52.0 34.0 43.0 PLUS 4.7 2ND (TIED) DEC 36.9 21.6 29.3 PLUS 1.7 26TH YEAR 55.1 37.1 46.1 PLUS 0.4 20TH (TIED) ...PORTLAND MAINE 2009 MONTHLY PRECIPITATION DATA... (RANK: 1ST = WETTEST, 139TH = DRIEST) MONTH PRECIPITATION DEPARTURE FROM NORMAL RANK JAN 2.35 MINUS 1.74 116TH FEB 2.79 MINUS 0.35 91ST MAR 2.66 MINUS 1.48 98TH APR 4.63 PLUS 0.37 37TH MAY 4.52 PLUS 0.70 37TH JUN 8.56 PLUS 5.28 5TH JUL 8.60 PLUS 5.28 2ND AUG 5.15 PLUS 2.10 16TH SEP 1.38 MINUS 1.99 121ST OCT 4.99 PLUS 0.59 28TH NOV 7.74 PLUS 3.02 9TH (TIED) DEC 5.24 PLUS 1.00 32ND YEAR 58.61 PLUS 12.78 8TH ...PORTLAND MAINE 2009 MONTHLY SNOWFALL DATA... (RANK: 1 = SNOWIEST, 128TH = LEAST SNOWIEST) DEPARTURE MONTH SNOWFALL FROM NORMAL RANK JAN 28.0 PLUS 7.5 23RD FEB 15.3 PLUS 2.5 68TH (TIED) MAR 10.6 MINUS 2.4 68TH (TIED) APR 0.0 MINUS 3.2 119TH (TIED) MAY 0.0 MINUS TRACE 23RD (TIED) JUN 0.0 NORMAL ----- JUL 0.0 NORMAL ----- AUG 0.0 NORMAL ----- SEP 0.0 NORMAL ----- OCT TRACE MINUS 0.1 12TH (TIED) NOV TRACE MINUS 3.2 92ND (TIED) DEC 13.8 PLUS 0.2 49TH YEAR 67.7 PLUS 1.3 ----- NOTE...SNOWFALL FOR THE YEAR IS GIVEN FOR THE CALENDAR YEAR. NORMALLY SNOWFALL TOTALS AND RANKINGS ARE GIVEN FOR THE SEASON ...FROM JULY 1ST THROUGH JUNE 30TH. ...DISCUSSION... THE YEAR 2009 WAS MUCH WETTER AND SLIGHTLY WARMER THAN NORMAL. PRECIPITATION (RAINFALL PLUS MELTED SNOWFALL) FOR THE YEAR WAS 58.61 INCHES. THIS WAS NEARLY 13 INCHES (12.78 INCHES) ABOVE NORMAL AND RANKS AS THE 8TH WETTEST YEAR IN THE PAST 139 YEARS OF PRECIPITATION RECORDS. THE WETTEST YEAR WAS IN 2005 WITH 66.45 INCHES AND THE DRIEST YEAR WAS IN 1941 WITH JUST 25.27 INCHES OF PRECIPITATION. HERE IS A LIST OF THE TEN WETTEST YEARS ON RECORD... RANK PRECIPITATION YEAR 1 66.45 INCHES 2005 2 66.33 INCHES 1983 3 61.24 INCHES 2008 4 61.15 INCHES 1979 5 60.86 INCHES 2006 6 59.69 INCHES 1920 7 59.24 INCHES 1888 8 58.61 INCHES 2009 <=== 9 58.39 INCHES 1996 10 58.07 INCHES 1933 DRIEST 25.27 INCHES 1941 NORMAL 45.83 INCHES THE WET YEAR WAS HIGHLIGHTED BY THE WETTEST SUMMER ON RECORD. ALL THREE SUMMER MONTHS HAD ABOVE NORMAL RAINFALL WITH BOTH JUNE AND JULY RECORDING OVER EIGHT INCHES OF RAIN WITH AUGUST TOPPING FIVE INCHES. THIS WAS THE 5TH WETTEST JUNE WITH 8.56 INCHES OF RAIN FOLLOWED BY THE 2ND WETTEST JULY WITH 8.60 INCHES OF RAIN. AUGUST WAS THE 16TH WETTEST ON RECORD WITH 5.15 INCHES OF RAIN. JULY ALSO SET A RECORD WITH THE MOST DAYS IN THE MONTH OF JULY WITH RAIN. THERE WERE 22 DAYS WITH A TRACE OR MORE RAINFALL...BREAKING THE OLD RECORD FOR JULY OF 21 DAYS WHICH OCCURRED IN 1938 AND 1974. HERE IS A LIST OF THE WETTEST SUMMERS ON RECORD... RANK RAINFALL YEAR 1 22.31 INCHES 2009 <=== 2 19.04 INCHES 1991 3 18.43 INCHES 1915 4 17.56 INCHES 1917 5 17.21 INCHES 2006 6 15.96 INCHES 1998 7 15.89 INCHES 1872 8 15.72 INCHES 1922 9 15.60 INCHES 1885 10 15.42 INCHES 1892 11 15.33 INCHES 1887 12 14.87 INCHES 2008 13 14.14 INCHES 1877 14.14 INCHES 1879 DRIEST 4.10 INCHES 1999 NORMAL 9.65 INCHES THIS WAS ALSO ONE OF THE WETTEST SEASONS EVER IN PORTLAND MAINE. THE 22.31 INCHES THIS SUMMER WAS THE 4TH WETTEST SEASON EVER AND ONLY THE 7TH TIME PORTLAND RECORDED MORE THAN 20 INCHES OF PRECIPITATION IN A SEASON. THE WETTEST SEASON WAS AUTUMN OF 2005 WITH 24.18 INCHES OF PRECIPITATION. HERE IS A LIST OF THE WETTEST SEASONS ON RECORD IN PORTLAND... RANK PRECIPITATION SEASON 1 24.18 INCHES AUTUMN 2005 2 23.15 INCHES AUTUMN 1888 3 22.55 INCHES SPRING 1983 4 22.31 INCHES SUMMER 2009 <=== 5 22.20 INCHES AUTUMN 1996 6 21.07 INCHES SPRING 1901 7 20.49 INCHES WINTER 1934-35 8 19.93 INCHES SPRING 2005 9 19.57 INCHES SPRING 1984 10 19.51 INCHES SPRING 1973 NORMAL WINTER 11.47 INCHES NORMAL SPRING 12.22 INCHES NORMAL SUMMER 9.65 INCHES NORMAL AUTUMN 12.49 INCHES NOTE...METEOROLOGICAL SEASONS ARE AS FOLLOWS... WINTER IS DECEMBER, JANUARY AND FEBRUARY. SPRING IS MARCH, APRIL AND MAY. SUMMER IS JUNE, JULY AND AUGUST. AUTUMN IS SEPTEMBER, OCTOBER AND NOVEMBER. IT SHOULD ALSO BE NOTED THAT THE COMBINED RAINFALL FOR JUNE AND JULY WAS A RECORD FOR THE TWO MONTH PERIOD. THE 17.16 INCHES OF RAIN IN JUNE AND JULY EASILY SURPASSED THE OLD RECORD FOR THE TWO MONTH PERIOD OF 14.83 INCHES IN 2006. NORMALLY THESE TWO MONTHS COMBINE FOR 6.60 INCHES OF RAIN. THE RECORD SETTING WET SUMMER WAS A SHARP TURN AROUND FROM THE BEGINNING OF THE YEAR WHEN EACH OF THE FIRST THREE MONTHS HAD BELOW NORMAL PRECIPITATION. SEPTEMBER WAS THE ONLY OTHER MONTH IN 2009 WITH BELOW NORMAL PRECIPITATION. NOVEMBER 2009 TIED AS THE NINTH WETTEST WITH 7.74 INCHES OF PRECIPITATION. THIS WAS HIGHLIGHTED BY A DAILY RECORD RAINFALL OF 5.03 INCHES FOR THE MONTH OF NOVEMBER. THE 5.03 INCHES ON NOVEMBER 14TH TOPPED THE OLD RECORD FOR MOST RAIN IN A NOVEMBER DAY IN PORTLAND OF 4.70 INCHES WHICH WAS SET ON NOVEMBER 10, 1990. THIS WAS ONLY THE EIGHTH TIME PORTLAND HAD OVER FIVE INCHES OF PRECIPITATION FOR ANY DAY IN THE YEAR. THE WETTEST DAY EVER IN PORTLAND WAS ON OCTOBER 21, 1996 WHEN 11.74 INCHES OF RAIN FELL. THE 5.03 INCHES ON NOVEMBER 14TH COMBINED WITH 0.22 INCHES ON THE 15TH TO GIVE THE GREATEST 24 HOUR (NOT NECESSARILY A CALENDAR DAY) TOTAL RAINFALL OF 5.25 INCHES FOR THE YEAR. SNOWFALL FOR THE YEAR TOTALED 67.7 INCHES WHICH WAS 1.3 INCHES ABOVE NORMAL. RANKINGS FOR CALENDAR YEAR SNOWFALL ARE NOT KEPT, RATHER RANKINGS ARE FOR SEASONAL SNOWFALL. JANUARY WAS THE SNOWIEST MONTH OF THE YEAR WITH 28.0 INCHES. THIS WAS FOLLOWED BY 15.3 INCHES IN FEBRUARY, 13.8 INCHES IN DECEMBER AND 10.6 INCHES IN MARCH. THE REST OF THE YEAR ACCOUNTED FOR JUST A TRACE OF SNOWFALL. THE BIGGEST 24 HOUR SNOWFALL WAS JUST UNDER A FOOT OF SNOW (11.6 INCHES) ON JANUARY 18-19TH. TEN DAYS LATER, ON THE 29TH, PORTLAND HAD ITS GREATEST SNOW DEPTH FOR THE YEAR WITH 16 INCHES OF SNOW ON THE GROUND. TEMPERATURES FOR THE YEAR WERE SLIGHTLY ABOVE NORMAL. THE AVERAGE TEMPERATURE OF 46.1 DEGREES WAS 0.4 DEGREES ABOVE NORMAL. THE WARMEST YEAR WAS IN 2006 WITH AN AVERAGE TEMPERATURE OF 48.5 DEGREES WHILE THE COLDEST YEAR WAS IN 1962 WITH AN AVERAGE TEMPERATURE OF 43.3 DEGREES. THE YEAR OF 2009 TIED AS THE 20TH WARMEST IN THE 69 YEARS OF TEMPERATURE RECORDS AT THE PORTLAND JETPORT. THE AVERAGE HIGH FOR THE YEAR WAS 55.1 DEGREES...JUST 0.1 DEGREE BELOW NORMAL. THE AVERAGE LOW FOR THE YEAR WAS 37.1 DEGREES OR 0.8 DEGREES ABOVE NORMAL. THE HOTTEST TEMPERATURE FOR THE YEAR SURPRISINGLY OCCURRED IN APRIL. THE HIGH OF 92 DEGREES ON APRIL 28TH WAS NOT ONLY A RECORD FOR THE WARMEST TEMPERATURE IN APRIL BUT WAS THE FIRST TIME PORTLAND EVER REACHED 90 DEGREES IN APRIL. THIS WAS FOLLOWED BY A 91 DEGREE HIGH TEMPERATURE ON MAY 21ST...ONLY THE 14TH TIME PORTLAND HIT 90 IN MAY AND TIED TWO OTHER DAYS IN MAY AS THE 6TH WARMEST TEMPERATURE EVER RECORDED IN THAT MONTH. THERE WERE TWO MORE 90 DEGREE DAYS IN 2009 AND THOSE HAPPENED IN AUGUST. AUGUST ALSO HAD THE WARMEST DAY OF THE YEAR WITH AN AVERAGE TEMPERATURE OF 80 DEGREES ON AUGUST 19TH AND THE WARMEST LOW TEMPERATURE FOR THE YEAR OF 71 DEGREES ON THE MORNING OF THE 23RD. JUNE AND JULY, AS WET AS THEY WERE, WERE ALSO QUITE COOL WITH WELL BELOW NORMAL TEMPERATURES AND NO 90 DEGREE READINGS. IN FACT, JUNE NEVER REACHED 80 DEGREES WITH A MONTHLY HIGH OF ONLY 78. THERE WERE JUST TWO OTHER YEARS AT THE PORTLAND JETPORT WHEN JUNE TEMPERATURES NEVER REACHED 80. OVERALL, JUNE WAS 1.9 DEGREES COLDER THAN NORMAL. THAT WAS TOPPED BY JULY WHICH WAS 2.5 DEGREES BELOW NORMAL. JULY HAD SOME VERY REMARKABLY COLD HIGH TEMPERATURES EARLY IN THE MONTH. THE HIGH OF 58 DEGREES ON JULY 8TH TIED AS THE SECOND COLDEST HIGH EVER RECORDED IN THE MONTH OF JULY. THE RECORD STILL STANDS AT 57 DEGREES ON JULY 4TH, 1992. THERE WERE TWO OTHER DAYS IN JULY THAT NEVER REACHED 60 AND ONE DAY THAT REACHED 60 DEGREES. THESE COLD HIGHS ALSO RANKED AS SOME OF THE COLDEST HIGH TEMPERATURES EVER RECORDED IN JULY. HERE IS A LIST OF THE COLDEST JULY HIGH TEMPERATURES AT THE PORTLAND JETPORT... RANK TEMPERATURE DATE 1 57 DEGREES JULY 4, 1992 2 58 DEGREES JULY 6, 1956 58 DEGREES JULY 8, 2009 <=== 4 59 DEGREES JULY 8, 1961 59 DEGREES JULY 16, 1961 59 DEGREES JULY 30, 1976 59 DEGREES JULY 3, 1987 59 DEGREES JULY 1, 2009 <=== 59 DEGREES JULY 2, 2009 <=== 10 60 DEGREES JULY 7, 2009 <=== 11 61 DEGREES SEVERAL DATES THESE TEMPERATURES ARE AN ASTOUNDING 20 DEGREES OR SO BELOW THE NORMAL JULY HIGH TEMPERATURE OF 78 DEGREES. OVERALL, JULY 2009 WAS THE EIGHTH COLDEST ON RECORD WITH AN AVERAGE TEMPERATURE OF 66.2 DEGREES. THE COLDEST JULY WAS IN 1962 WITH AN AVERAGE TEMPERATURE OF 64.0 DEGREES. NORMALLY JULY HAS AN AVERAGE TEMPERATURE OF 68.7 DEGREES. THE AVERAGE HIGH TEMPERATURE IN JULY WAS A RECORD FOR BEING SO COLD. THE AVERAGE HIGH WAS JUST 74.0 DEGREES, TOPPING THE OLD MARK OF 74.6 DEGREES IN 2004. NORMALLY JULY HAS AN AVERAGE HIGH OF 78.8 DEGREES. IT IS INTERESTING TO NOTE THAT THE COLD WEATHER IN JUNE AND JULY FOLLOWED A VERY WARM SPRING WHEN PORTLANDS AVERAGE TEMPERATURE FOR THE SPRING MONTHS OF MARCH, APRIL AND MAY TIED AS THE 7TH WARMEST ON RECORD. THE MONTH WITH THE GREATEST DEPARTURE FROM NORMAL WAS NOVEMBER WITH AN AVERAGE TEMPERATURE THAT WAS 4.7 DEGREES ABOVE NORMAL. THE AVERAGE OF 43.0 DEGREES TIED AS THE SECOND WARMEST ON RECORD. FOR THE YEAR THERE WERE SEVEN MONTHS WITH ABOVE NORMAL TEMPERATURES AND FIVE WITH BELOW NORMAL TEMPERATURES. JANUARY WAS THE MOST EXTREME ON THE COLD SIDE WITH AN AVERAGE THAT WAS 4.2 DEGREES BELOW NORMAL AND THE 17TH COLDEST JANUARY ON RECORD. JANUARY ALSO HAD THE COLDEST DAY OF THE YEAR. THE AVERAGE TEMPERATURE ON JANUARY 16TH WAS MINUS ONE...THE ONLY DAY TO AVERAGE BELOW ZERO DURING THE YEAR. THE HIGH TEMPERATURE ON JANUARY 16TH WAS 14 DEGREES WHICH TIED JANUARY 15TH AS THE COLDEST HIGH FOR THE YEAR. THE LOW ON JANUARY 16TH WAS 16 DEGREES BELOW ZERO...THE COLDEST TEMPERATURE FOR THE YEAR. HERE IS A LIST OF DAILY TEMPERATURE AND PRECIPITATION RECORDS... FROM MIDNIGHT TO MIDNIGHT...SET OR TIED DURING THE YEAR 2009... DATE RECORD PREVIOUS RECORD AND YEAR JAN 18 11.5 - GREATEST DAILY SNOWFALL 11.2 INCHES IN 1979 JAN 25 35 - GREATEST DAILY TEMP. RANGE 32 DEGREES IN 1986 FEB 8 51 - RECORD HIGH TEMPERATURE 46 DEGREES IN 1991 MAR 2 7.9 - GREATEST DAILY SNOWFALL 6.0 INCHES IN 1908 MAR 7 37 - WARMEST LOW TEMPERATURE 37 DEGREES IN 1974 & 1979 (TIED) MAR 30 4 - SMALLEST DAILY TEMP. RANGE 4 DEGREES IN 1944, 1956 & 1972 (TIED) APR 18 46 - WARMEST LOW TEMPERATURE 45 DEGREES IN 1945, 1973, 1987 & 2006 APR 26 80 - RECORD HIGH TEMPERATURE 76 DEGREES IN 1985 APR 26 49 - WARMEST LOW TEMPERATURE 49 DEGREES IN 1986 (TIED) APR 26 65 - WARMEST DAILY AVERAGE TEMP. 60 DEGREES IN 1985 APR 28 92 - RECORD HIGH TEMPERATURE 81 DEGREES IN 1990 APR 28 69 - WARMEST DAILY AVERAGE TEMP. 63 DEGREES IN 1990 APR 28 47 - GREATEST DAILY TEMP. RANGE 37 DEGREES IN 1990 MAY 21 91 - RECORD HIGH TEMPERATURE 87 DEGREES IN 1992 MAY 21 70 - WARMEST AVERAGE TEMPERATURE 70 DEGREES IN 1996 (TIED) MAY 21 43 - GREATEST DAILY TEMP. RANGE 43 DEGREES IN 1992 (TIED) MAY 22 63 - WARMEST LOW TEMPERATURE 60 DEGREES IN 1987 MAY 22 75 - WARMEST AVERAGE TEMPERATURE 72 DEGREES IN 1987 & 1992 MAY 28 49 - COLDEST HIGH TEMPERATURE 53 DEGREES IN 1941 & 2004 MAY 28 47 - COLDEST AVERAGE TEMPERATURE 49 DEGREES IN 1950 & 1977 MAY 28 5 - SMALLEST DAILY TEMP. RANGE 5 DEGREES IN 1941 & 1966 (TIED) JUN 12 1.67 - GREATEST PRECIPITATION 1.18 INCHES IN 1936 JUN 14 3 - SMALLEST DAILY TEMP. RANGE 6 DEGREES IN 1954 JUN 19 3.21 - GREATEST PRECIPITATION 2.43 INCHES IN 1922 JUN 19 5 - SMALLEST DAILY TEMP. RANGE 5 DEGREES IN 1959 & 1962 (TIED) JUN 30 4 - SMALLEST DAILY TEMP. RANGE 7 DEGREES IN 1967, 1972, 1980 & 1996 JUL 1 59 - COLDEST HIGH TEMPERATURE 62 DEGREES IN 1976 JUL 1 3 - SMALLEST DAILY TEMP. RANGE 4 DEGREES IN 1979 JUL 2 59 - COLDEST HIGH TEMPERATURE 63 DEGREES IN 1986 JUL 2 3 - SMALLEST DAILY TEMP. RANGE 5 DEGREES IN 1970 JUL 2 1.41 - GREATEST PRECIPITATION 1.32 INCHES IN 1983 JUL 7 60 - COLDEST HIGH TEMPERATURE 64 DEGREES IN 1956 JUL 7 5 - SMALLEST DAILY TEMP. RANGE 6 DEGREES IN 2005 JUL 7 1.57 - GREATEST PRECIPITATION 1.34 INCHES IN 1935 JUL 8 58 - COLDEST HIGH TEMPERATURE 59 DEGREES IN 1961 JUL 8 57 - COLDEST DAILY AVERAGE TEMP. 57 DEGREES IN 1963 & 1995 (TIED) JUL 8 3 - SMALLEST DAILY TEMP. RANGE 4 DEGREES IN 1979 JUL 24 65 - COLDEST HIGH TEMPERATURE 66 DEGREES IN 1964 JUL 24 5 - SMALLEST DAILY TEMP. RANGE 7 DEGREES IN 1988 JUL 24 2.10 - GREATEST PRECIPITATION 1.77 INCHES IN 2008 JUL 30 67 - WARMEST LOW TEMPERATURE 67 DEGREES IN 1970, 1979 & 1983 (TIED) AUG 19 90 - RECORD HIGH TEMPERATURE 90 DEGREES IN 1947 (TIED) AUG 19 70 - WARMEST LOW TEMPERATURE 67 DEGREES IN 1955 AUG 19 80 - WARMEST DAILY AVERAGE TEMP. 76 DEGREES IN 1947 & 2002 AUG 21 68 - WARMEST LOW TEMPERATURE 66 DEGREES IN 2003 AUG 22 69 - WARMEST LOW TEMPERATURE 66 DEGREES IN 1976 & 2003 AUG 23 71 - WARMEST LOW TEMPERATURE 66 DEGREES IN 1942 AUG 23 79 - WARMEST DAILY AVERAGE TEMP. 76 DEGREES IN 1942 AUG 23 2.97 - GREATEST PRECIPITATION 1.91 INCHES IN 1966 AUG 24 66 - WARMEST LOW TEMPERATURE 65 DEGREES IN 1947 & 1974 SEP 23 67 - WARMEST DAILY AVERAGE TEMP. 67 DEGREES IN1959 (TIED) OCT 3 1.90 - GREATEST PRECIPITATION 1.68 INCHES IN 1979 OCT 13 48 - COLDEST HIGH TEMPERATURE 48 DEGREES IN 1988 (TIED) OCT 15 43 - COLDEST HIGH TEMPERATURE 47 DEGREES IN 1961 OCT 15 37 - COLDEST DAILY AVERAGE TEMP. 37 DEGREES IN 1980 (TIED) OCT 18 TRACE - GREATEST SNOWFALL TRACE - MOST RECENT IN 1959 (TIED) OCT 28 4 - SMALLEST DAILY TEMP. RANGE 4 DEGREES IN 1953 (TIED) NOV 9 37 - GREATEST DAILY TEMP. RANGE 30 DEGREES IN 1964 NOV 10 64 - RECORD HIGH TEMPERATURE 63 DEGREES IN 1999 NOV 14 5.03 - GREATEST PRECIPITATION 1.75 INCHES IN 1887 NOV 26 5 - SMALLEST DAILY TEMP. RANGE 5 DEGREES IN 1942, 1996 & 1999 (TIED) DEC 3 68 - RECORD HIGH TEMPERATURE 55 DEGREES IN 1970 & 1986 DEC 3 56 - WARMEST AVERAGE TEMPERATURE 47 DEGREES IN 1982 & 1986 MONTHLY RECORDS FOR PORTLAND SET OR TIED IN 2009... DATE RECORD PREVIOUS RECORD AND DATE APRIL 28 92 - WARMEST TEMPERATURE 85 DEGREES ON APRIL 21, 1957 & APRIL 20, 2005 APRIL 28 69 - WARMEST DAILY AVG TEMP. 68 DEGREES ON APRIL 21, 1957 JULY 1 3 - SMALLEST DAILY TEMP. RANGE JULY 2 3 - SMALLEST DAILY TEMP. RANGE JULY 8 3 - SMALLEST DAILY TEMP. RANGE 3 DEGREES SET 6 OTHER TIMES IN PREVIOUS YEARS IN JULY JULY 1-31 22 DAYS WITH PRECIPITATION 21 DAYS IN 1938 & 1974 NOV 14 5.03 - GREATEST CALENDAR DAY 4.70 INCHES ON NOV 10, 1990 PRECIPITATION NOV 14-15 5.25 - GREATEST ANY 24 HOUR 4.70 INCHES ON NOV 10, 1990 PRECIPITATION OF NOTE... APRIL WAS THE 2ND WARMEST ON RECORD NOVEMBER TIED AS THE 2ND WARMEST ON RECORD JULY WAS THE 2ND WETTEST ON RECORD SEASONAL RECORDS FOR PORTLAND SET OR TIED IN 2009... WETTEST SUMMER - 22.31 INCHES OLD RECORD 19.04 INCHES IN 1991 WETTEST JUNE & JULY - 17.16 INCHES OLD RECORD 14.83 INCHES IN 2006 $$ SJC