Climatological Report (Seasonal)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
000 CXUS51 KGYX 050146 CLSGYX PWMCLSGYX 000 TTAA00 GYX 020952 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 552 AM EDT FRI JUN 02 2023 ................................... ...THE GRAY ME CLIMATE SUMMARY FOR THE SPRING SEASON, FROM 3/1/2023 TO 5/31/2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1995 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 95 05/18/2017 LOW -4 03/09/2007 03/07/2007 03/06/2007 HIGHEST 90 05/28 86 4 88 LOWEST 17 03/01 6 11 5 AVG. MAXIMUM 54.7 52.8 1.9 55.7 AVG. MINIMUM 36.5 34.2 2.3 36.1 MEAN 45.6 43.5 2.1 45.9 DAYS MAX >= 90 1 0.4 0.6 0 DAYS MAX <= 32 0 5.6 -5.6 6 DAYS MIN <= 32 39 36.6 2.4 26 DAYS MIN <= 0 0 0.4 -0.4 0 PRECIPITATION (INCHES) RECORD MAXIMUM 23.27 2005 TOTALS 12.15 11.97 0.18 8.49 DAILY AVG. 0.13 0.13 -0.00 0.09 DAYS >= .01 29 36.7 -7.7 34 DAYS >= .10 19 21.9 -2.9 22 DAYS >= .50 7 8.3 -1.3 3 DAYS >= 1.00 3 3.0 0.0 1 GREATEST 24 HR. TOTAL 3.67 04/30 TO 05/01 1.21 SNOWFALL (INCHES) RECORDS TOTAL 58.8 2001 TOTALS 24.5 20.9 3.6 5.8 SINCE 7/1 81.2 84.0 -2.8 44.0 SNOWDEPTH AVG. 4 DAYS >= TRACE 14 8.5 5.5 14 DAYS >= 1.0 5 4.4 0.6 3 GREATEST SNOW DEPTH 25 03/05 10 24 HR TOTAL 11.3 03/04 1.8 DEGREE DAYS HEATING TOTAL 1776 1986 -210 1758 SINCE 7/1 6295 7060 -765 6630 COOLING TOTAL 14 10 4 27 SINCE 1/1 14 9 5 27 .............................................................. - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && THE SNOWY PATTERN THAT DEVELOPED TOWARDS THE END OF WINTER CONTINUED INTO THE THE FIRST WEEK OF SPRING IN THE GRAY AREA. AS ONE SYSTEM EXITED ON MARCH 1ST, ANOTHER SYSTEM CROSSED ON MARCH 2ND BRINGING LIGHT SNOW. A MORE SIGNIFICANT LOW PRESSURE SYSTEM TRACKED ALONG THE SOUTHERN NEW ENGLAND COASTLINE MARCH 4TH THAT BROUGHT 11.3 INCHES OF SNOW AND WOULD BE THE GREATEST SNOWFALL OF THE SPRING SEASON. QUIET WEATHER FOLLOWED UNTIL A STRONG LOW PRESSURE SYSTEM IMPACTED NEW ENGLAND MARCH 13TH INTO THE MORNING OF MARCH 15TH. THIS SYSTEM BROUGHT SIGNIFICANT SNOWFALL INTERIOR NEW ENGLAND WHILE THE GRAY AREA RECEIVED 7.3 INCHES FROM THIS SYSTEM. RELATIVELY QUIET WEATHER FOLLOWED WITH THE LAST OF THE WINTER SNOWPACK MELTING OUT BY THE MORNING OF APRIL 10TH. RELATIVELY QUIET WEATHER CONTINUED THROUGH THE FIRST HALF OF APRIL WITH A BRIEF WARM SPELL AROUND THE MIDDLE OF THE MONTH. THE GRAY AREA ECLIPSED THE 70 DEGREE MARK FOR THE FIRST TIME OF THE SEASON ON THE 14TH WHEN THE HIGH TEMPERATURE REACHED 82 DEGREES. THEREAFTER, THE NAO TOOK A DIVE INTO NEGATIVE TERRITORY AS STRONG AND PERSISTENT OMEGA BLOCK FORMED OVER EASTERN NORTH AMERICA AND THE NORTH ATLANTIC. THIS BLOCKING PATTERN PERSISTED INTO THE FIRST WEEK OF MAY THAT LEAD TO MULTIPLE RAIN EVENTS, TEMPERATURES RUNNING BELOW NORMAL, AND WHEN IT WASN`T RAINING IT WAS OFTEN CLOUDY WITH DRIZZLE. THERE WERE ALSO DAYS WITH VERY LITTLE VARIATION BETWEEN THE HIGH AND LOW TEMPERATURE. ALSO DURING THIS PATTERN A SIGNIFICANT RAIN EVENT OCCURRED ON APRIL 30TH INTO MAY 1ST WHEN A STORM TOTAL OF 3.87 INCHES OF RAIN FELL IN GRAY. ACROSS AREAS NORTH AND EAST OF GRAY 5 TO 6 INCHES OF RAIN FELL RESULTING IN SIGNIFICANT FLOODING. THE OMEGA BLOCK THAT PLAGUED THE NORTHEAST FOR THE BETTER PART OF THREE WEEKS BROKE DOWN BY MAY 6TH. DRY WEATHER FOLLOWED THROUGH THE MIDDLE OF THE MONTH AND WITH THE EXCEPTION OF A FEW COOL DAYS AND SEASONABLY COLD NIGHTS, TEMPERATURES TRENDED ABOVE NORMAL. ONE OF THESE COLD NIGHTS OCCURRED ON MAY 17TH INTO THE MORNING OF THE 18TH WHEN THE TEMPERATURE FELL TO 33 DEGREES WITH WIDESPREAD FREEZING TEMPERATURES ACROSS THE GRAY AREA. ANOTHER HEAVY RAIN EVENT OCCURRED MAY 20TH INTO THE 21ST WHEN A STORM TOTAL OF 2.25 INCHES OF RAIN FELL. A RIDGE OF HIGH PRESSURE THEN DOMINATED THE WEATHER PATTERN THE LAST WEEK OF MAY RESULTED IN FAIR WEATHER WITH SOME VERY WARM DAYS INTERMIXED WITH COOLER DAYS THANKS TO AFTERNOON SEA BREEZES. THE AVERAGE TEMPERATURE FOR THE SPRING SEASON WAS 45.6 DEGREES, WHICH WAS 2.1 DEGREES ABOVE NORMAL. THE WARMEST SPRING ON RECORD WAS IN 2010 WHEN THE AVERAGE TEMPERATURE WAS 49.3 DEGREES. THE COOLEST WAS 40.8 DEGREES IN 2014. A TOTAL OF 12.15 INCHES OF PRECIPITATION FELL, WHICH WAS 0.18 INCHES ABOVE NORMAL. THE HEAVIEST PRECIPITATION FELL ON APRIL 30TH INTO MAY 1ST WHEN 3.67 INCHES FELL IN 24 HOURS AND STORM TOTAL OF 3.87 INCHES. THE WETTEST SPRING ON RECORD WAS IN 2005 WHEN 23.27 INCHES FELL. THE DRIEST WAS 7.08 INCHES IN 2015. A TOTAL OF 24.5 INCHES OF SNOW FELL, WHICH WAS 3.6 INCHES ABOVE NORMAL. THE HEAVIEST SNOW FELL ON MARCH 4TH WHEN 11.3 INCHES WAS MEASURED. THE SNOWIEST SPRING 58.8 INCHES IN 2001. THE LEAST SNOWIEST SPRING WAS IN 2021 WHEN ONLY 0.9 INCHES WAS MEASURED. $$ DS