Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
000 CXUS51 KGYX 050117 CLSAUG PWMCLSAUG 000 TTAA00 GYX 020952 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 552 AM EDT FRI JUN 02 2023 ................................... ...THE AUGUSTA CLIMATE SUMMARY FOR THE SPRING SEASON, FROM 3/1/2023 TO 5/31/2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1948 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 94 05/22/1992 LOW -11 03/01/1982 HIGHEST 92 05/28 85 7 92 05/14 LOWEST 15 03/01 3 12 1 03/01 AVG. MAXIMUM 56.1 53.3 2.8 57.0 AVG. MINIMUM 37.1 34.1 3.0 36.8 MEAN 46.6 43.7 2.9 46.9 DAYS MAX >= 90 1 0.4 0.6 1 DAYS MAX <= 32 1 6.2 -5.2 5 DAYS MIN <= 32 34 38.1 -4.1 25 DAYS MIN <= 0 0 0.6 -0.6 0 PRECIPITATION (INCHES) RECORD MAXIMUM 20.21 1983 MINIMUM 4.57 1965 TOTALS 11.21 10.30 0.91 10.02 DAILY AVG. 0.12 0.11 0.01 0.11 DAYS >= .01 28 36.0 -8.0 35 DAYS >= .10 18 20.8 -2.8 20 DAYS >= .50 5 6.8 -1.8 8 DAYS >= 1.00 3 1.9 1.1 3 GREATEST 24 HR. TOTAL 4.56 04/30 TO 05/01 DEGREE DAYS HEATING TOTAL 1686 1971 -285 1672 SINCE 7/1 6076 7190 -1114 6243 COOLING TOTAL 19 11 8 35 SINCE 1/1 19 10 9 35 ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.9 HIGHEST WIND SPEED/DIRECTION 38/360 DATE 03/14 HIGHEST GUST SPEED/DIRECTION 51/010 DATE 03/14 SKY COVER AVERAGE SKY COVER 0.43 AVERAGE RH (PERCENT) 60 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 HEAVY RAIN 5 RAIN 11 LIGHT RAIN 21 FREEZING RAIN 1 LT FREEZING RAIN 2 HEAVY SNOW 3 SNOW 4 LIGHT SNOW 13 FOG 36 FOG W/VIS <= 1/4 MILE 12 HAZE 4 - 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 AUGUSTA 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, WHICH BROUGHT MORE SUBSTANTIAL SNOW TO THE REGION. 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 TO INTERIOR NEW ENGLAND. RELATIVELY QUIET WEATHER FOLLOWED WITH A GRADUAL MELTING OF THE SNOWPACK. RELATIVELY QUIET WEATHER CONTINUED THROUGH THE FIRST HALF OF APRIL WITH A BRIEF WARM SPELL AROUND THE MIDDLE OF THE MONTH. THE AUGUSTA AREA ECLIPSED THE 70 DEGREE MARK FOR THE FIRST TIME OF THE SEASON ON THE 13TH WHEN THE HIGH TEMPERATURE REACHED 76 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 FREQUENT 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 4.69 INCHES OF RAIN FELL IN AUGUSTA. ACROSS AREAS NORTH AND EAST OF AUGUSTA 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 36 DEGREES WITH WIDESPREAD FREEZING TEMPERATURES ACROSS CENTRAL MAINE. ANOTHER HEAVY RAIN EVENT OCCURRED MAY 20TH INTO THE 21ST WHEN A STORM TOTAL OF 2.02 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 46.6 DEGREES, WHICH WAS 2.9 DEGREES ABOVE NORMAL AND THE 6TH WARMEST SPRING ON RECORD. THE WARMEST SPRING ON RECORD WAS 49.0 DEGREES IN 2010. THE COOLEST WAS 37.9 DEGREES IN 1956. THE FOLLOWING TABLE LISTS THE WARMEST SPRINGS ON RECORD AT AUGUSTA. WARMEST AVERAGE TEMPERATURE IN SPRING (SINCE 1948)... RANK TEMP YEAR 1 49.0 2010 2 47.6 2012 3 47.1 1999 4 47.0 1991 5 46.9 2022 6 46.6 2023 <=== 7 46.5 1998 8 46.3 1973 9 46.2 1981 10 45.8 2000 45.8 1977 A TOTAL OF 11.21 INCHES OF PRECIPITATION FELL, WHICH WAS 0.91 INCHES ABOVE NORMAL. THE HEAVIEST PRECIPITATION FELL ON APRIL 30TH INTO MAY 1ST WHEN 4.56 INCHES OF RAIN FELL IN 24 HOURS AND A STORM TOTAL OF 4.69 INCHES. THE WETTEST SPRING ON RECORD WAS IN 1983 WHEN 20.21 INCHES OF PRECIPITATION FELL. THE DRIEST WAS 4.57 INCHES IN 1965. THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN SPRING 2023... DATE RECORD PREVIOUS APR 12 50 - WARMEST LOW TEMPERATURE 44 IN 2021 AND 2017 APR 13 76 - WARMEST HIGH TEMPERATURE 76 IN 1968 (TIED) APR 14 83 - WARMEST HIGH TEMPERATURE 72 IN 1949 APR 14 50 - WARMEST LOW TEMPERATURE 47 IN 1949 APR 30 3.00 - GREATEST PRECIPITATION 1.17 IN 1963 MAY 1 1.69 - GREATEST PRECIPITATION 0.76 IN 2020 MAY 7 56 - WARMEST LOW TEMPERATURE 53 IN 1999 MAY 20 1.61 - GREATEST PRECIPITATION 1.20 IN 1957 MAY 28 92 - WARMEST MAXIMUM TEMPERATURE 88 IN 1988 $$ DS