CXUS54 KLZK 161840 CLAHRO CLIMATE REPORT...UPDATED WITH SUPPLEMENTAL DATA NATIONAL WEATHER SERVICE LITTLE ROCK AR 1240 PM CST TUE JAN 16 2024 ................................... ...THE HARRISON CLIMATE SUMMARY FOR THE YEAR OF 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1891 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR'S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 112 08/03/2011 07/18/1936 08/09/1934 LOW -24 02/12/1899 HIGHEST 99 06/29 68 31 102 07/26 08/21 07/20 07/24 LOWEST 18 03/19 48 -30 -6 12/22 01/31 01/14 12/23 AVG. MAXIMUM 70.9 69.0 1.9 69.7 AVG. MINIMUM 49.1 47.6 1.5 47.2 MEAN 60.0 58.3 1.7 58.5 DAYS MAX >= 90 39 41.1 -2.1 57 DAYS MAX <= 32 4 9.8 -5.8 12 DAYS MIN <= 32 63 75.9 -12.9 87 DAYS MIN <= 0 0 0.3 -0.3 2 PRECIPITATION (INCHES) RECORD MAXIMUM 71.03 1945 MINIMUM 23.26 1901 TOTALS 44.59 44.50 0.09 41.78 DAILY AVG. 0.12 0.12 -0.00 0.12 DAYS >= .01 103 108.2 -5.2 93 DAYS >= .10 76 65 DAYS >= .50 26 29 DAYS >= 1.00 15 12.2 2.8 14 GREATEST 24 HR. TOTAL 3.00 06/08 TO 06/09 STORM TOTAL 2.61 (MM/DD(HH)) SNOWFALL (INCHES) RECORDS TOTAL 33.5 1966 24 HR TOTAL 14.3 02/15/1993 TO 02/15/1993 SNOW DEPTH 24 01/21/1918 TOTALS 11.0 MM MM 29.4 LIQUID EQUIV 1.10 1.20 -0.10 2.90 SINCE 7/1 T MM MM MM LIQUID 7/1 -0.10 0.00 -0.10 MM SNOWDEPTH AVG. 0 0 DAYS >= TRACE 11 MM MM 27 DAYS >= 1.0 2 MM MM 7 GREATEST SNOW DEPTH 10 01/25 10 01/16 24 HR TOTAL 10.0 01/24 TO 01/25 12.0 01/15 TO 01/15 STORM TOTAL 10.0 12.0 (MM/DD(HH)) MM DEGREE DAYS HEATING TOTAL 3289 3883 -594 3966 SINCE 7/1 1264 1534 -270 MM COOLING TOTAL 1589 1475 114 1719 SINCE 1/1 1589 1473 116 MM FREEZE DATES RECORD EARLIEST 09/13/1902 LATEST 05/17/1912 EARLIEST 10/30 LATEST 04/24 ................................................................ WIND (MPH) AVERAGE WIND SPEED 6.4 HIGHEST WIND SPEED/DIRECTION 40/170 DATE 02/27 HIGHEST GUST SPEED/DIRECTION 54/330 DATE 07/30 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.29 NUMBER OF DAYS FAIR 190 NUMBER OF DAYS PC 52 NUMBER OF DAYS CLOUDY 28 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 60 MIXED PRECIP 0 HEAVY RAIN 47 RAIN 57 LIGHT RAIN 116 FREEZING RAIN 0 LT FREEZING RAIN 1 HAIL 1 HEAVY SNOW 0 SLEET 4 FOG 102 FOG W/VIS <= 1/4 MILE 10 HAZE 7 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && .YEARLY TEMPERATURES... THE YEARLY AVERAGE HIGH TEMPERATURE OF 70.9 (+1.9) WAS THE 15TH HOTTEST YEAR AND WARMEST SINCE 2017. THE YEARLY AVERAGE LOW TEMPERATURE OF 49.1 (+1.5) WAS TIED FOR THE 7TH HOTTEST YEAR AND WARMEST SINCE 2017. THE YEARLY AVERAGE MEAN TEMPERATURE OF 60.0 (+1.7) WAS TIED FOR THE 7TH HOTTEST YEAR AND WARMEST SINCE 2017. THE HIGHEST YEARLY MAXIMUM TEMPERATURE OF 99 DEGREES OCCURRED ON JUN 29TH AND AUG 21ST, WHICH WAS THE COOLEST HIGH TEMPERATURE SINCE 2021 AND TIED FOR 33RD COLDEST TEMPERATURE OF ANY YEAR. THERE WERE 0 DAILY HIGH TEMPERATURES AT OR ABOVE 100 DEGREES WHICH IS TIED FOR THE 1ST FEWEST DAYS OF ANY YEAR AND THE LEAST NUMBER OF DAYS SINCE 2021. THERE WERE 39 DAILY HIGH TEMPERATURES AT OR ABOVE 90 DEGREES WHICH IS TIED FOR THE 31ST FEWEST DAYS OF ANY YEAR AND THE LEAST NUMBER OF DAYS SINCE 2021. THE LOWEST YEARLY MINIMUM TEMPERATURE OF 18 DEGREES OCCURRED ON JAN 14TH, 31ST, AND MAR 19TH, WHICH WAS THE WARMEST LOW TEMPERATURE SINCE RECORD KEEPING BEGAN IN 1892 OR PUT ANOTHER WAY, THE 1ST HOTTEST MINIMUM TEMPERATURE OF ANY YEAR. THE NEW LOW OF 18 DEGREES SURPASSES THE PREVIOUS RECORD OF 16 DEGREES SET IN 1987. THERE WERE 63 DAILY LOW TEMPERATURES AT OR BELOW 32 DEGREES WHICH IS THE 5TH FEWEST DAYS OF ANY YEAR AND THE LEAST NUMBER OF DAYS SINCE 2017. THERE WERE 4 DAILY HIGH TEMPERATURES AT OR BELOW 32 DEGREES WHICH IS TIED FOR THE 7TH FEWEST DAYS OF ANY YEAR AND THE LEAST NUMBER OF DAYS SINCE 2020. THE DIFFERENCE BETWEEN YEARLY MAXIMUM AND MINIMUM TEMPERATURE WAS 81 DEGREES. THE FIRST FREEZE OCCURRED ON OCT 30TH AND THE LAST FREEZE OCCURRED ON APR 24TH. **FOR RANKING PURPOSES SHOWN ABOVE, A YEAR WAS OMITTED IF IT WAS MISSING MORE THAN 7 DAYS WORTH OF DATA** .ADDITIONAL SIGNIFICANT EVENTS DURING THE YEAR... MINIMUM SEA LEVEL PRESSURE WAS MEASURED AT 29.23 INCHES ON MARCH 3RD. MAXIMUM SEA LEVEL PRESSURE WAS MEASURED AT 30.65 INCHES ON DECEMBER 14TH. WINDS WERE SUSTAINED AT 40 MPH/170 DEGREES AND GUSTED TO 53 MPH/170 DEGREES ON FEBRUARY 27TH. WINDS GUSTED TO 50 MPH/190 DEGREES ON FEBRUARY 26TH. WINDS GUSTED TO 50 MPH/240 DEGREES ON MARCH 31ST. WINDS GUSTED TO 54 MPH/330 DEGREES ON JULY 30TH WITH THE PASSAGE OF A THUNDERSTORM. .YEARLY RAINFALL... THE YEARLY RAINFALL TOTAL OF 44.59 INCHES (+0.09) WAS THE 37TH WETTEST ON RECORD AND WETTEST SINCE 2021. .YEARLY SNOWFALL... THE YEARLY SNOWFALL TOTAL OF 11.0 INCHES (-0.5) WAS THE 28TH SNOWIEST ON RECORD AND SNOWIEST SINCE 2021. (DFN = DEPARTURE FROM NORMAL) 2023 TEMPERATURE AVERAGES AND EXTREMES HARRISON, ARKANSAS -------------------------------------------------------------------------------------------- AVERAGE TEMPERATURES TEMPERATURE EXTREMES MONTH HIGH LOW MONTHLY DFN MAX DATE(S) MIN DATE(S) -------------------------------------------------------------------------------------------- JAN 51.2 32.2 41.7 +4.7 75 02 18 31/14 FEB 57.7 35.3 46.5 +5.6 79 28 19 01 MAR 58.6 37.6 48.1 -1.1 81 31 18 19 APR 69.4 45.8 57.6 -0.7 86 03 32 24/23 MAY 78.2 56.2 67.2 +1.0 87 08 43 01 JUN 86.2 63.0 74.6 +0.2 99 29 55 07 JUL 89.6 68.4 79.0 +0.5 96 18/13 58 10 AUG 89.1 68.0 78.5 +0.9 99 21 56 16 SEP 83.5 59.6 71.6 +1.7 93 03 50 18 OCT 70.9 49.4 60.2 +0.8 86 02/01 25 31 NOV 62.2 38.4 50.3 +1.8 84 08/07 20 01 DEC 54.5 35.6 45.1 +5.4 67 23/07 21 19 --------------------------------------------------------------------------------------------- ANNUAL 70.9 49.1 60.0 +1.7 99 JUN 29/AUG 21 18 JAN 31/14/MAR 19 2023 RAINFALL, DEPARTURES, AND EXTREMES HARRISON, ARKANSAS --------------------------------------------------------------------------------------------- MONTH RAINFALL DFN MAX/CALENDAR DAY MAX/24 HOURS --------------------------------------------------------------------------------------------- JAN 2.74 +0.07 1.00/24TH 1.00/24TH FEB 3.34 +0.92 1.90/08TH 2.04/07TH-08TH MAR 7.39 +3.48 2.33/24TH 2.78/02ND-03RD APR 1.35 -3.63 0.80/27TH 0.80/27TH MAY 5.21 +0.40 1.44/11TH 2.31/10TH-11TH JUN 4.39 +0.54 2.61/08TH 3.00/08TH-09TH JUL 4.55 +0.88 1.47/14TH 1.48/14TH-15TH AUG 3.78 +0.36 2.33/09TH 2.33/09TH SEP 5.65 +1.59 1.64/06TH 1.92/05-06TH OCT 3.00 -0.81 1.42/04TH 1.51/04TH-05TH NOV 2.34 -1.62 1.06/19TH-20TH 1.01/30TH DEC 0.85 -2.09 0.37/24TH 0.98/30TH-01ST --------------------------------------------------------------------------------------------- ANNUAL 44.59 +0.09 2.61 JUN 08 3.00 JUN 08-09 2023 SNOWFALL, DEPARTURES, AND EXTREMES HARRISON, ARKANSAS ---------------------------------------------------------------------------------------------- MONTH SNOW DFN MAX/CALENDAR DAY MAX/24 HOUR GREATEST DEPTH/DATE ---------------------------------------------------------------------------------------------- JAN 11.0 +6.8 9.0/24TH 10.0/24TH-25TH 10/25TH FEB 0.0 -3.2 0.0 0.0 0 MAR 0.0 -2.0 0.0 0.0 0 APR 0.0 -0.3 0.0 0.0 0 OCT T -0.1 T T/29TH 0 NOV 0.0 -0.4 0.0 0.0 0 DEC T -1.3 T/25TH/27TH/28TH/29TH T 0 ---------------------------------------------------------------------------------------------- ANN. 11.0 -0.5 9.0 JAN 24 10.0 JAN 24-25 10 JAN 25 ---------------------------------------------------------------------------------------------- MISCELLANEOUS DATA (FIRST/LAST DATES, ETC.) ---------------------------------------------------------------------------------------------- DAYS WITH MINIMUMS AT OR BELOW FREEZING....................63 DAYS WITH MINIMUMS AT OR BELOW ZERO........................00 DAYS WITH MAXIMUMS AT OR BELOW FREEZING....................04 DAYS WITH MAXIMUMS AT OR ABOVE 90 DEGREES..................39 DAYS WITH MAXIMUMS AT OR ABOVE 100 DEGREES.................00 LAST FREEZE................................................APRIL 24TH FIRST 80-DEGREE DAY........................................MARCH 31ST FIRST 90-DEGREE DAY........................................JUNE 24TH FIRST 100-DEGREE DAY.......................................NONE LAST 100-DEGREE DAY........................................NONE LAST 90-DEGREE DAY.........................................SEPTEMBER 5TH LAST 80-DEGREE DAY.........................................NOVEMBER 8TH FIRST FREEZE...............................................OCTOBER 30TH RECORD HIGHS DATE RECORD TYPE NEW RECORD OLD RECORD 01/01 HIGH TEMPERATURE 73 IN 2023 71 IN 1943 11/06 HIGH TEMPERATURE 83 IN 2023 81 IN 1914 11/07 HIGH TEMPERATURE 84 IN 2023 83 IN 2009 11/08 HIGH TEMPERATURE 84 IN 2023 82 IN 2006, 1928 RECORD LOWS DATE RECORD TYPE NEW RECORD OLD RECORD 04/04 WARMEST LOW TEMPERATURE 68 IN 2023 64 IN 1929 07/19 WARMEST LOW TEMPERATURE 79 IN 2023 79 IN 1998, 1986 10/24 WARMEST LOW TEMPERATURE 65 IN 2023 65 IN 1991 11/01 LOW TEMPERATURE 20 IN 2023 20 IN 1906 RECORD RAINFALL DATE NEW RECORD OLD RECORD 03/02 1.52 IN 2023 1.07 IN 1988 06/08 2.61 IN 2023 1.79 IN 2020 RECORD SNOWFALL DATE NEW RECORD OLD RECORD 01/24 9.0 IN 2023 1.5 IN 1948 06/08 T IN 2023 T IN 1994 $$ 70