Climatological Report (Monthly)
Issued by NWS Portland, ME

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000 CXUS51 KGYX 041504 CLMPWM PWMCLMPWM 000 TTAA00 KGYX 030103 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 1104 AM EDT TUE AUG 4 2015 ................................... ...THE PORTLAND ME CLIMATE SUMMARY FOR THE MONTH OF JULY 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1941 TO 2015 /FOR TEMPERATURES/ CLIMATE RECORD PERIOD 1871 TO 2015 /FOR PRECIPITATION/ CLIMATE RECORD PERIOD 1882 TO 2015 /FOR SNOWFALL/ WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 100 07/22/2011 LOW 40 07/07/1965 07/03/1962 HIGHEST 90 07/12 91 -1 87 07/23 LOWEST 51 07/17 50 1 54 07/21 AVG. MAXIMUM 78.5 78.8 -0.3 78.4 AVG. MINIMUM 59.6 59.4 0.2 61.3 MEAN 69.1 69.1 0.0 69.8 DAYS MAX >= 90 1 1.5 -0.5 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 10.84 1915 MINIMUM 0.61 1965 TOTALS 1.26 3.61 -2.35 6.12 DAILY AVG. 0.04 0.12 -0.08 0.20 DAYS >= .01 10 11.0 -1.0 15 DAYS >= .10 4 6.8 -2.8 10 DAYS >= .50 1 2.6 -1.6 5 DAYS >= 1.00 0 0.8 -0.8 1 GREATEST 24 HR. TOTAL 0.62 07/19 SNOWFALL (INCHES) RECORDS TOTAL 0.0 TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 SNOWDEPTH AVG. 0 DAYS >= TRACE 0 0.0 0.0 DAYS >= 1.0 0 0.0 0.0 GREATEST SNOW DEPTH 0 24 HR TOTAL 0.0 DEGREE_DAYS HEATING TOTAL 10 17 -7 0 SINCE 7/1 10 17 -7 0 COOLING TOTAL 143 144 -1 159 SINCE 1/1 226 208 18 215 ................................................................. WIND (MPH) AVERAGE WIND SPEED 5.8 HIGHEST WIND SPEED/DIRECTION 23/100 DATE 07/29 HIGHEST GUST SPEED/DIRECTION 29/250 DATE 07/02 SKY COVER AVERAGE SKY COVER 0.50 AVERAGE RH (PERCENT) 76 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 9 HEAVY RAIN 1 RAIN 2 LIGHT RAIN 15 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 FOG 17 FOG W/VIS <= 1/4 MILE 7 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && THE WEATHER PATTERN FOR MUCH OF JULY CONSISTED OF ALTERNATING PERIODS OF WARM, HUMID WEATHER AND COOLER, DRIER WEATHER. THE COLD FRONTS WHICH BROUGHT THE CHANGE IN AIR MASSES WERE OFTEN ACCOMPANIED BY THUNDERSTORMS, INCLUDING 9 DAYS WHICH RECORDED A THUNDERSTORM IN PORTLAND. IN SPITE OF THE MANY DAYS WITH THUNDERSTORMS, PRECIPITATION FOR THE MONTH WAS WELL BELOW NORMAL. THE WARMEST TEMPERATURE WAS 90 DEGREES ON THE 12TH, THOUGH THERE WERE ALSO DAYS WHICH DID NOT RISE OUT OF THE 60S. THE AVERAGE TEMPERATURE WAS 69.1 WHICH IS THE NORMAL VALUE FOR JULY. ALTHOUGH IT WAS NORMAL, IT WAS ALSO THE COOLEST SINCE 2009. THE COOLEST JULY WAS 1962 WHEN THE AVERAGE TEMPERATURE WAS 64.0 DEGREES. THE WARMEST WAS 72.7 DEGREES IN 2011. A TOTAL OF 1.26 INCHES OF RAIN FELL WHICH WAS 2.35 INCHES BELOW NORMAL AND THE 11TH DRIEST IN THE 145-YEAR HISTORY OF RECORDS AT PORTLAND. THE HEAVIEST RAIN FELL IN A THUNDERSTORM ON THE 19TH WHEN 0.62 INCHES WAS MEASURED. THERE WERE ONLY 4 DAYS WHICH MEASURED 0.10 INCHES OR MORE, THE FEWEST IN THE MONTH OF JULY SINCE 1982. THE DRIEST JULY ON RECORD WAS 1965 WHEN ONLY 0.61 INCHES WAS RECORDED. THE WETTEST WAS 1915 WITH 10.84 INCHES. $$ KIMBLE

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