Climatological Report (Monthly)
Issued by NWS Portland, ME
Issued by NWS Portland, ME
284 CXUS51 KGYX 012144 CLMCON PWMCLMCON 000 TTAA00 GYX 011743 CLIMATE REPORT NATIONAL WEATHER SERVICE GRAY ME 143 PM EDT WED NOV 01 2023 ................................... ...THE CONCORD NH CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2023... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1868 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 92 10/16/1879 LOW 10 10/21/1972 10/24/1969 HIGHEST 86 10/03 79 7 78 10/07 LOWEST 28 10/31 21 7 26 10/29 10/30 AVG. MAXIMUM 65.6 60.9 4.7 63.3 AVG. MINIMUM 43.1 37.8 5.3 37.1 MEAN 54.4 49.3 5.1 50.2 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 2 11.2 -9.2 11 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 14.57 2005 MINIMUM 0.05 1924 TOTALS 2.67 4.43 -1.76 2.74 DAILY AVG. 0.09 0.14 -0.05 0.09 DAYS >= .01 10 10.6 -0.6 10 DAYS >= .10 5 6.8 -1.8 7 DAYS >= .50 2 2.8 -0.8 2 DAYS >= 1.00 1 1.3 -0.3 0 GREATEST 24 HR. TOTAL 1.17 10/21 TO 10/22 SNOWFALL (INCHES) RECORDS TOTAL 23.0 2011 TOTALS 0.0 0.8 -0.8 0.0 SINCE 7/1 0.0 0.8 -0.8 0.0 SNOWDEPTH AVG. 0 DAYS >= TRACE 0 0.2 -0.2 0 DAYS >= 1.0 0 0.1 -0.1 0 GREATEST SNOW DEPTH 0 24 HR TOTAL 0 DEGREE DAYS HEATING TOTAL 328 488 -160 451 SINCE 7/1 459 679 -220 606 COOLING TOTAL 4 3 1 0 SINCE 1/1 574 528 46 646 ................................................................ WIND (MPH) AVERAGE WIND SPEED 3.8 HIGHEST WIND SPEED/DIRECTION 21/320 DATE 10/15 HIGHEST GUST SPEED/DIRECTION 32/260 DATE 10/28 SKY COVER AVERAGE SKY COVER 0.57 AVERAGE RH (PERCENT) 77 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 HEAVY RAIN 1 RAIN 5 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 FOG 21 FOG W/VIS <= 1/4 MILE 7 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && A BROAD RIDGE OF HIGH PRESSURE ALONG THE EAST COAST DOMINATED THE WEATHER THROUGH THE FIRST WEEK OF OCTOBER. THIS BROUGHT A PERIOD OF DRY AND VERY WARM CONDITIONS TO THE CONCORD AREA. THE RIDGE BROKE DOWN BY THE END OF THE FIRST WEEK WITH A FRONTAL SYSTEM CROSSING THE AREA BRINGING RAIN AND MUCH COOLER TEMPERATURES. AN UPPER LOW LINGERED NEAR NEW ENGLAND THROUGH MUCH OF THE SECOND WEEK OF THE MONTH KEEPING TEMPERATURES NEAR NORMAL WITH SHOWERY WEATHER. ADDITIONAL UPPER LOWS AND TROUGHS CROSSED THE NORTHEAST THROUGH THE THIRD WEEK OF THE MONTH LIMITING ANY SIGNIFICANT WARM UPS, ALTHOUGH CONDITIONS WERE MOSTLY DRY WITH ONLY A COUPLE LIGHT RAIN EVENTS. A MORE SIGNIFICANT SYSTEM IMPACTED THE CONCORD AREA THE WEEKEND OF THE 21ST INTO THE 22ND AS LOW PRESSURE TRACKED ACROSS SOUTHERN NEW ENGLAND INTO THE GULF OF MAINE BRINGING A SOAKING RAIN. COOLER AIR ARRIVED BEHIND THIS SYSTEM LEADING TO THE CONCORD AREA DROPPING BELOW THE FREEZING MARK FOR THE FIRST TIME THIS FALL WHEN THE LOW TEMPERATURE REACHED 30 DEGREES ON THE 24TH. A WARM UP ENSUED THE FINAL WEEK OF THE MONTH FOLLOWED BY ANOTHER LOW PRESSURE SYSTEM BRINGING RAIN AND A SHOT OF MUCH COLDER AIR TO CLOSE OUT THE MONTH. THE AVERAGE TEMPERATURE FOR THE MONTH WAS 54.4 DEGREES, WHICH WAS 5.1 DEGREES ABOVE NORMAL AND THE 7TH WARMEST OCTOBER ON RECORD. THE WARMEST OCTOBER ON RECORD WAS IN 1879 WHEN THE AVERAGE TEMPERATURE WAS 57.6 DEGREES. THE COOLEST WAS 42.2 DEGREES IN 1925. THE FOLLOWING TABLE LISTS THE WARMEST OCTOBERS ON RECORD AT CONCORD. WARMEST AVERAGE TEMPERATURE IN OCTOBER (SINCE 1868)... RANK TEMP YEAR 1 57.6 1879 2 56.9 2017 3 55.3 1878 4 55.1 1947 5 55.0 1920 6 54.8 2021 7 54.4 2023 <=== 8 54.1 2007 9 53.9 1938 10 53.8 1963 A TOTAL OF 2.67 INCHES OF PRECIPITATION FELL, WHICH WAS 1.76 INCHES BELOW NORMAL. THE DRIEST OCTOBER ON RECORD WAS IN 1924 WHEN ONLY 0.05 INCHES OF PRECIPITATION FELL. THE WETTEST WAS 14.57 INCHES IN 2005. THE FOLLOWING DAILY RECORDS WERE SET OR TIED IN OCTOBER 2023... DATE RECORD PREVIOUS OCT 4 84 - WARMEST HIGH TEMPERATURE 84 IN 1931 (TIED) OCT 28 80 - WARMEST HIGH TEMPERATURE 78 IN 1947 $$ DS