Climatological Report (Monthly)
Issued by NWS Portland, ME

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000 CXUX51 KGYX 111214 CCA CLMGYX PWMCLMGYX 000 TTAA00 KGYX 012110 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 407 PM EDT SAT MAY 2 2020 ................................... ...THE GRAY ME CLIMATE SUMMARY FOR THE MONTH OF APRIL 2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1995 TO 2020 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL ............................................................. TEMPERATURE (F) RECORD HIGH 91 04/28/2009 LOW 15 04/04/2016 HIGHEST 59 04/19 79 -20 71 LOWEST 27 04/23 26 1 23 04/17 AVG. MAXIMUM 50.1 53.6 -3.5 52.0 AVG. MINIMUM 33.5 34.9 -1.4 35.1 MEAN 41.8 44.3 -2.5 43.6 DAYS MAX >= 90 0 0.1 -0.1 0 DAYS MAX <= 32 0 0.3 -0.3 1 DAYS MIN <= 32 14 9.6 4.4 10 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 10.62 2005 MINIMUM 0.35 1999 TOTALS 5.61 4.38 1.23 5.06 DAILY AVG. 0.19 0.15 0.04 0.17 DAYS >= .01 9 11.1 -2.1 19 DAYS >= .10 6 6.7 -0.7 12 DAYS >= .50 5 2.9 2.1 5 DAYS >= 1.00 3 1.2 1.8 1 GREATEST 24 HR. TOTAL 1.67 04/02 TO 04/03 SNOWFALL (INCHES) RECORDS TOTAL 27.2 2007 TOTALS 6.8 4.8 2.0 5.0 SINCE 7/1 68.9 83.8 -14.9 79.1 SNOWDEPTH AVG. 0 DAYS >= TRACE 8 2.2 5.8 6 DAYS >= 1.0 1 1.0 0.0 2 GREATEST SNOW DEPTH 5 04/10 5 24 HR TOTAL 6.8 04/09 DEGREE_DAYS HEATING TOTAL 689 624 65 637 SINCE 7/1 6543 6775 -232 7093 COOLING TOTAL 0 1 -1 0 SINCE 1/1 0 1 -1 0 .............................................................. - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && APRIL BEGAN WITH A STRETCH OF MILD WEATHER. A STORM SYSTEM BROUGHT NEARLY 2 INCHES OF RAIN ON APRIL 2 AND 3. THE NEXT ONE BROUGHT RAIN CHANGING TO A HEAVY WET SNOW AS THE TEMPERATURE COOLED ON APRIL 9. MORE THAN 6 INCHES OF HEAVY WET SNOW BROUGHT DOWN TREE LIMBS AND CAUSED POWER OUTAGES IN THE AREA. AFTER A FEW DAYS OF COOL WEATHER, MILD WEATHER AND RAIN RETURNED WITH MORE THAN AN INCH FALLING ON THE 13TH. THE COOL WEATHER QUICKLY RETURNED AND LASTED FOR THE REST OF THE MONTH. A SHIFT IN THE JET STREAM PATTERN FAVORED PERSISTENT TROUGHS OVER THE EASTERN US WHICH KEPT COOL WEATHER IN PLACE ALONG WITH OCCASIONAL RAIN AND SNOW SHOWERS. THE AVERAGE TEMPERATURE FOR THE MONTH WAS 41.8 DEGREES WHICH WAS 2.8 DEGREES BELOW NORMAL. THE COOLEST APRIL WAS IN 2018 WHEN THE AVERAGE TEMPERATURE WAS 40.9 DEGREES. THE WARMEST WAS IN 2010 WHEN IT WAS 49.0 DEGREES. THE COOL CONDITIONS IN 2020 WERE MOST NOTABLE IN DAYTIME HIGH TEMPERATURES WHICH WERE 3.5 DEGREES BELOW NORMAL. THE HIGHEST TEMPERATURE FOR THE WHOLE MONTH WAS ONLY 59 DEGREES ON THE 19TH. THIS WAS THE COOLEST MONTHLY MAXIMUM TEMPERATURE FOR APRIL ON RECORD. THE FOLLOWING TABLE LISTS THE COOLEST MONTHLY HIGH TEMPERATURES FOR APRIL. MAXIMUM APRIL TEMPERATURE (SINCE 1995)... RANK TEMP YEAR 1 59 2020 <=== 2 66 1999 3 69 2015 69 2014 69 1997 A TOTAL OF 5.61 INCHES OF PRECIPITATION FELL WHICH WAS 1.23 INCHES ABOVE NORMAL AND THE 4TH CONSECUTIVE APRIL WITH MORE THAN 5 INCHES OF PRECIPITATION. THE HEAVIEST PRECIPITATION WAS ON APRIL 2 AND 3 WHEN 1.96 INCHES FELL. THE WETTEST APRIL WAS IN 2005 WHEN 10.62 INCHES WAS MEASURED. THE DRIEST WAS IN 1999 WITH ONLY 0.35 INCHES. THERE WAS 6.8 INCHES OF SNOWFALL WHICH WAS 2.0 INCHES ABOVE NORMAL. ALL OF THIS SNOW FELL ON APRIL 9. SNOWFALL IN APRIL IS COMMON BUT INCONSISTENT. THE SNOWIEST WAS IN 2007 WHEN 27.2 INCHES FELL. NO SNOW FELL IN 1999. AN ADDITIONAL 3 YEARS RECORDED ONLY A TRACE OF SNOWFALL IN APRIL, MOST RECENTLY IN 2009. $$ KIMBLE

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