Climatological Report (Annual)
Issued by NWS
Issued by NWS
000 CXUS54 KLZK 021222 CLAHRO CLIMATE REPORT NATIONAL WEATHER SERVICE LITTLE ROCK AR 605 AM CST THU JAN 2 2020 ................................... ...THE HARRISON CLIMATE SUMMARY FOR THE YEAR OF 2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1891 TO 2020 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 96 08/19 68 28 99 07/11 07/05 LOWEST 7 03/04 48 -41 0 01/17 01/16 AVG. MAXIMUM 68.8 68.6 0.2 69.2 AVG. MINIMUM 48.0 47.2 0.8 48.0 MEAN 58.4 57.9 0.5 58.6 DAYS MAX >= 90 35 37.1 -2.1 57 DAYS MAX <= 32 5 9.0 -4.0 11 DAYS MIN <= 32 79 78.1 0.9 86 DAYS MIN <= 0 0 0.6 -0.6 2 PRECIPITATION (INCHES) RECORD MAXIMUM 71.03 1945 MINIMUM 23.26 1901 TOTALS 56.98 44.14 12.84 47.78 DAILY AVG. 0.16 0.12 0.04 0.13 DAYS >= .01 122 116.1 5.9 117 DAYS >= .10 86 69 DAYS >= .50 35 29 DAYS >= 1.00 18 11.8 6.2 17 GREATEST 24 HR. TOTAL 3.68 10/06 TO 10/06 SNOWFALL (INCHES) RECORDS TOTAL 33.5 1966 1912 24 HR TOTAL 14.3 02/15/1993 TO 02/15/1993 SNOW DEPTH 24 01/21/1918 TOTALS 4.1 11.5 -7.4 2.8 LIQUID EQUIV 0.41 1.20 -0.79 0.28 SINCE 7/1 0.5 1.8 -1.3 0.9 LIQUID 7/1 0.05 0.10 -0.05 0.09 SNOWDEPTH AVG. 0 T 0 0 DAYS >= TRACE 22 17.0 5.0 17 DAYS >= 1.0 2 2.0 0.0 1 GREATEST SNOW DEPTH 2 01/20 1 01/18 01/16 01/17 24 HR TOTAL 2.0 01/19 TO 01/19 01/14 TO 01/15 DEGREE_DAYS HEATING TOTAL 3881 4005 -124 4064 SINCE 7/1 MM 1599 MM MM COOLING TOTAL 1581 1417 164 1859 SINCE 1/1 1581 1416 165 1859 FREEZE DATES RECORD EARLIEST 09/13/1902 LATEST 05/17/1912 EARLIEST 10/29 LATEST 04/04 ................................................................. WIND (MPH) AVERAGE WIND SPEED 6.8 HIGHEST WIND SPEED/DIRECTION 36/050 DATE 08/26 HIGHEST GUST SPEED/DIRECTION 52/290 DATE 10/21 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.40 NUMBER OF DAYS FAIR 211 NUMBER OF DAYS PC 91 NUMBER OF DAYS CLOUDY 62 AVERAGE RH (PERCENT) 71 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...A REVIEW OF 2019 WEATHER AND CLIMATE DATA FOR HARRISON... SUMMARY ==================================================================== 2019 AT HARRISON WAS VERY SIMILAR TO 2018, BUT SLIGHTLY COOLER. GOING BY ANNUAL AVERAGE TEMPERATURE, IT WAS THE COOLEST YEAR IN FIVE YEARS (SINCE 2014). THERE WAS AN 89-DEGREE RANGE IN TEMPERATURES DURING THE YEAR, WITH THE HIGHEST TEMPERATURE REACHING 96 DEGREES (AUGUST 19TH), AND THE LOWEST TEMPERATURE FALLING TO 7 DEGREES (MARCH 4TH). FOR THE SIXTH YEAR IN A ROW, THERE WERE NO 100-DEGREE DAYS AT HARRISON. IT WAS THE WETTEST YEAR SINCE 2015, AND THE SECOND CONSECUTIVE YEAR WITH RAINFALL ABOVE AVERAGE AND IN RECORD TERRITORY. IT WAS THE 9TH WETTEST YEAR ON RECORD. SNOWFALL WAS BELOW AVERAGE FOR THE FOURTH YEAR IN A ROW. HOWEVER, IT WAS STILL THE SNOWIEST YEAR IN THREE YEARS (SINCE 2016). SNOW FELL IN JANUARY, FEBRUARY, MARCH, OCTOBER, NOVEMBER AND DECEMBER AND WAS MEASURABLE IN JANUARY, MARCH, AND NOVEMBER. BELOW ARE AVERAGES AND EXTREMES OBSERVED DURING THE YEAR. REMEMBER... MOST OF THE DATA BELOW IS PRELIMINARY UNTIL CERTIFIED CORRECT BY THE NATIONAL CENTER FOR ENVIRONMENTAL INFORMATION IN ASHEVILLE, NORTH CAROLINA. TEMPERATURES ============================================================================== ----------| AVERAGE TEMPERATURES |--------EXTREMES AND DATES------------| ------------------------------------------------------------------------------ MONTH | HIGH LOW AVERAGE DFN | HIGHEST/DATE(S) | LOWEST/DATE(S) | ------------------------------------------------------------------------------ JANUARY | 45.9 28.8 37.3 +0.9 | 70/7TH | 10/25TH | ------------------------------------------------------------------------------ FEBRUARY | 51.6 31.3 41.4 +0.9 | 75/4TH | 12/8TH | ------------------------------------------------------------------------------ MARCH | 55.4 35.2 45.3 -3.5 | 75/28TH | 7/4TH | ------------------------------------------------------------------------------ APRIL | 72.2 48.5 60.3 +2.3 | 86/10TH | 28/1ST | ------------------------------------------------------------------------------ MAY | 76.8 57.1 67.0 +1.2 | 87/16TH | 44/13TH, 10TH | ------------------------------------------------------------------------------ JUNE | 83.4 62.7 73.0 -0.7 | 91/21ST | 52/14TH, 11TH | ------------------------------------------------------------------------------ JULY | 87.1 66.1 76.6 -1.8 | 93/17TH | 54/24TH | ------------------------------------------------------------------------------ AUGUST | 86.8 68.3 77.6 0.0 | 96/19TH | 59/28TH | ------------------------------------------------------------------------------ SEPTEMBER | 87.2 66.3 76.7 +7.5 | 92/18TH, 16TH | 61/24TH | ------------------------------------------------------------------------------ OCTOBER | 68.2 44.9 56.6 -2.3 | 90/2ND | 27/31ST | ------------------------------------------------------------------------------ NOVEMBER | 57.6 33.4 45.5 -3.0 | 77/10TH | 10/12TH | ------------------------------------------------------------------------------ DECEMBER | 53.3 33.3 43.3 +5.2 | 70/25TH | 23/18TH | ============================================================================== = YEAR | 68.79 47.99 58.4 +0.5 | 96 AUG. 19TH | 7 MAR. 4TH = ============================================================================== DFN - DEPARTURE FROM NORMAL, OR DIFFERENCE BETWEEN THE AVERAGE TEMPERATURE AND THE 30-YEAR AVERAGE TEMPERATURE (1981-2010) PRECIPITATION =================================================================== MONTHLY RAINFALL DATA | HIGHEST TOTALS | --------------------------|---------------------------------------- MONTH | TOTAL | DFN | CALENDAR DAY | 24-HOUR PERIOD | ------------------------------------------------------------------- JANUARY | 4.40 | +1.84 | 1.77/4TH | 1.97/3RD-4TH | ------------------------------------------------------------------- FEBRUARY | 3.89 | +1.25 | 1.06/19TH | 1.12/10TH-11TH | ------------------------------------------------------------------- MARCH | 2.60 | -1.19 | 0.72/9TH | 0.72/9TH | ------------------------------------------------------------------- APRIL | 7.20 | +2.88 | 1.78/30TH | 1.78/30TH | ------------------------------------------------------------------- MAY | 5.98 | +1.29 | 1.72/1ST | 1.72/1ST | ------------------------------------------------------------------- JUNE | 4.00 | -0.24 | 2.80/23RD | 2.80/23RD | ------------------------------------------------------------------- JULY | 2.03 | -1.11 | 0.40/10TH | 0.49/1ST-2ND | ------------------------------------------------------------------- AUGUST | 8.04 | +4.46 | 2.12/21ST | 2.18/23RD-24TH | ------------------------------------------------------------------- SEPTEMBER | 1.79 | -2.41 | 0.65/26TH | 0.65/26TH | ------------------------------------------------------------------- OCTOBER | 8.78 | +5.23 | 3.68/6TH | 3.68/6TH | ------------------------------------------------------------------- NOVEMBER | 6.89 | +2.66 | 1.92/6TH | 3.06/6TH-7TH | ------------------------------------------------------------------- DECEMBER | 1.38 | -1.82 | 0.77/28TH | 0.77/28TH | =================================================================== =YEARLY | 56.98 |+12.84 | 3.68 OCT. 6TH | 3.68 OCT. 6TH = =================================================================== ============================================================================ MONTHLY SNOWFALL DATA | | (SNOW, SLEET, AND HAIL) | HIGHEST TOTALS | ---------------------------------------------------------------------------- MONTH | TOTAL | DFN | AVG. DEPTH | CALENDAR DAY | 24-HOUR PERIOD | -------------------------|-------------|------------------------------------ JANUARY | 3.0 | -1.2 | 0.1 | 2.0/19TH | 2.0/19TH | ---------------------------------------------------------------------------- FEBRUARY | T | -3.2 | 0.0 |T/27TH, 22ND, |T/27TH, 22ND, | | | | | 20TH, 19TH, | 20TH, 19TH, | | | | | 10TH, 7TH | 10TH, 7TH | ---------------------------------------------------------------------------- MARCH | 0.6 | -1.4 | 0.0 | 0.5/3RD | 0.6/3RD-4TH | ---------------------------------------------------------------------------- APRIL | 0.0 | -0.2 | 0.0 | | | ---------------------------------------------------------------------------- MAY | 0.0 | 0.0 | 0.0 | | | ---------------------------------------------------------------------------- OCTOBER | T | -0.1 | 0.0 |T/31ST, 30TH | T/31ST, 30TH | ---------------------------------------------------------------------------- NOVEMBER | 0.5 | +0.1 | 0.0 | 0.5/11TH | 0.5/11TH-12TH | ---------------------------------------------------------------------------- DECEMBER | T | -1.3 | 0.0 | T/16TH | T/16TH | ============================================================================ =YEARLY | 4.1 | -7.4 | 0.0 | 2.0 JAN. 19TH | 2.0 JAN. 19TH = ============================================================================ SUMMARY BY MONTH ========================================================================== MONTHLY AVERAGES | | | | | TEMPERATURES & | WARMEST | COOLEST | MOST | LEAST | MONTHLY/YEARLY PRECIPITATION | SINCE | SINCE | SINCE | SINCE | RANK ON RECORD --------------------------------------------------------------------------- JANUARY | | | | | AVERAGE HIGH | 2017 | | | | AVERAGE LOW | 2017 | | | | AVERAGE MONTHLY | 2017 | | | | RAINFALL | | | 2009 | | SNOWFALL | | | 2010 | | --------------------------------------------------------------------------- FEBRUARY | | | | | AVERAGE HIGH | | 2015 | | | AVERAGE LOW | 2017 | | | | AVERAGE MONTHLY | | 2015 | | | RAINFALL | | | | 2017 | SNOWFALL | | | | 2017 | --------------------------------------------------------------------------- MARCH | | | | | AVERAGE HIGH | | 2013 | | | AVERAGE LOW | | 2014 | | | AVERAGE MONTHLY | | 2014 | | | RAINFALL | | | | 2013 | SNOWFALL | | | 2017 | | --------------------------------------------------------------------------- APRIL | | | | | AVERAGE HIGH | 2012 | | | | AVERAGE LOW | 2017 | | | | AVERAGE MONTHLY | 2017 | | | | RAINFALL | | | 2017 | | SNOWFALL | | | | 2017 | --------------------------------------------------------------------------- MAY | | | | | AVERAGE HIGH | | 2017 | | | AVERAGE LOW | | 2017 | | | AVERAGE MONTHLY | | 2017 | | | RAINFALL | | | 2015 | | --------------------------------------------------------------------------- JUNE | | | | | AVERAGE HIGH | | 2017 | | | AVERAGE LOW | | 2006 | | | AVERAGE MONTHLY | | 2017 | | | RAINFALL | | | 2015 | | --------------------------------------------------------------------------- JULY | | | | | AVERAGE HIGH | | 2014 | | | AVERAGE LOW | | 2014 | | | AVERAGE MONTHLY | | 2014 | | | RAINFALL | | | | 2011 | --------------------------------------------------------------------------- AUGUST | | | | | AVERAGE HIGH | 2014 | | | | AVERAGE LOW | 2016 | | | | AVERAGE MONTHLY | 2014 | | | | RAINFALL | | | 1981 | | 5TH WETTEST --------------------------------------------------------------------------- SEPTEMBER | | | | | AVERAGE HIGH | 1960 | | | | AVERAGE LOW | 1998 | | | |***WARMEST (TIED 1998)*** AVERAGE MONTHLY | 1939 | | | | 3RD WARMEST RAINFALL | | | | 2017 | --------------------------------------------------------------------------- OCTOBER | | | | | AVERAGE HIGH | | 2009 | | | AVERAGE LOW | | 1993 | | | AVERAGE MONTHLY | | 2009 | | | RAINFALL | | | 2009 | | 6TH WETTEST SNOWFALL | | | 2001 | | 3RD SNOWIEST --------------------------------------------------------------------------- NOVEMBER | | | | | AVERAGE HIGH | 2017 | | | | AVERAGE LOW | 2017 | | | | AVERAGE MONTHLY | 2017 | | | | RAINFALL | | | 2006 | | 11TH WETTEST SNOWFALL | | | 2014 | | --------------------------------------------------------------------------- DECEMBER | | | | | AVERAGE HIGH | 2015 | | | | AVERAGE LOW | 2015 | | | | AVERAGE MONTHLY | 2015 | | | | RAINFALL | | | | 2016 | SNOWFALL | | | | 2015 | ============================================================================ YEARLY | | | | | AVERAGE HIGH | | 2014 | | | AVERAGE LOW | 2017 | | | | AVERAGE ANNUAL | | 2014 | | | RAINFALL | | | 2015 | | SNOWFALL | | | 2016 | | ============================================================================ FIRST AND LAST DATES DATES NOTES ======================================================================== LAST FREEZE | APRIL 2ND | EARLIEST SINCE 2017 FIRST 80-DEGREE DAY | APRIL 7TH | EARLIEST SINCE 2017 FIRST 90-DEGREE DAY | JUNE 21ST | LATEST SINCE 2008 LAST 90-DEGREE DAY | OCTOBER 2ND | LATEST SINCE 2015 LAST 80-DEGREE DAY | OCTOBER 5TH | EARLIEST SINCE 2013 FIRST FREEZE | OCTOBER 12TH | EARLIEST SINCE 2000 ======================================================================== NUMBER OF DAYS WITH TEMPERATURES NOTES ========================================================== AT OR BELOW FREEZING (MINIMUM) | 79 | MOST SINCE 2014 AT OR ABOVE 90 DEGREES | 35 | LEAST SINCE 2017 AT OR ABOVE 100 DEGREES | 0 | SIXTH YEAR IN A ROW ========================================================== DAILY RECORD TEMPERATURES TIED OR BROKEN DURING THE YEAR ============================================================================ DATE RECORD TYPE NEW RECORD PREVIOUS RECORD ============================================================================ MAR. 4TH COLDEST HIGH TEMPERATURE 26 IN 2019 27 IN 1960 MAY 11TH COLDEST HIGH TEMPERATURE 56 IN 2019 57 IN 1990 NOV. 12TH COLDEST HIGH TEMPERATURE 27 IN 2019 27 IN 1907 .ADDITIONAL DATA AND HONORABLE MENTION... MAR. 4TH - THE HIGH OF 26 DEGREES MOST RECENTLY TIED MARCH 3, 2014 FOR THE 6TH COLDEST HIGH TEMPERATURE ON RECORD FOR THE MONTH OF MARCH. THE LOW TEMPERATURE OF 7 DEGREES MARKED THE FIRST INSTANCE OF SINGLE DIGIT TEMPERATURES IN THE MONTH OF MARCH AT HARRISON SINCE 2014. THIS MOST RECENTLY TIED MARCH 4, 2002 FOR THE 8TH COLDEST TEMPERATURE ON RECORD FOR THE MONTH OF MARCH. THE DAILY AVERAGE TEMPERATURE OF 16.5 DEGREES MARKED THE 6TH COLDEST DAILY AVERAGE TEMPERATURE ON RECORD IN THE MONTH OF MARCH. OCT. 31ST - THE HIGH TEMPERATURE OF 43 DEGREES MOST RECENTLY TIED OCTOBER 30, 1976 FOR THE 7TH COLDEST HIGH ON RECORD FOR THE MONTH. THE DAILY AVERAGE TEMPERATURE OF 35.0 THAT DAY ALSO MOST RECENTLY TIED OCTOBER 19, 1989 FOR THE 9TH COOLEST ON RECORD FOR THE MONTH. NOV. 12TH - THE HIGH TEMPERATURE OF 27 DEGREES MOST RECENTLY TIED NOVEMBER 24, 2013 FOR THE 5TH COLDEST HIGH TEMPERATURE ON RECORD IN THE MONTH OF NOVEMBER AT HARRISON. THE DAILY AVERAGE TEMPERATURE OF 18.5 DEGREES WAS THE 5TH COLDEST ON RECORD FOR THE MONTH. DAILY RECORD RAINFALL TIED OR BROKEN DURING THE YEAR ==================================================== DATE NEW RECORD PREVIOUS RECORD ==================================================== FEB. 11TH 0.93 IN 2019 0.72 IN 1998 APR. 30TH 1.78 IN 2019 1.58 IN 1978 AUG. 21ST 2.12 IN 2019 1.37 IN 1911 OCT. 6TH 3.68 IN 2019 1.60 IN 1930 NOV. 6TH 1.92 IN 2019 1.79 IN 1996 .ADDITIONAL DATA AND HONORABLE MENTION... OCT. 6TH - THE 3.68 INCHES OF RAIN MARKED THE WETTEST OCTOBER DAY AT HARRISON SINCE OCTOBER 8, 2009, AND THE 3RD WETTEST DAY ON RECORD DURING THE MONTH. ONLY OCTOBER 8, 2009 (4.01 INCHES), AND OCTOBER 11, 1969 (4.47 INCHES) WERE WETTER. THIS ALSO MARKED THE 3RD HIGHEST 24-HOUR RAINFALL AMOUNT IN THE MONTH OF OCTOBER. ONLY OCTOBER 11, 1969 (4.47 INCHES), AND OCTOBER 8- 9, 2009 (5.20 INCHES) WERE WETTER 24-HOUR PERIODS. NOV. 6TH-7TH - THE 3.06 INCHES OF RAIN THAT FELL IN A 24-HOUR PERIOD WAS THE 5TH HIGHEST 24-HOUR RAINFALL ON RECORD FOR THE MONTH. DAILY RECORD SNOWFALL TIED OR BROKEN DURING THE YEAR ==================================================== DATE NEW RECORD PREVIOUS RECORD ==================================================== OCT. 30TH TRACE IN 2019 TRACE IN 1993 OCT. 31ST TRACE IN 2019 NONE----DAILY RECORD ESTABLISHED NOV. 7TH TRACE IN 2019 TRACE IN 1943 MONTHLY RECORDS TIED OR BROKEN DURING THE YEAR ============================================================================ MONTH RECORD TYPE NEW RECORD/DATE PREVIOUS RECORD/DATE ============================================================================ OCTOBER HIGHEST WIND GUST 52 MPH/21ST 46 MPH/OCT. 26, 2010 OTHER RECORDS BROKEN DURING THE YEAR/MISCELLANEOUS PHENOMENA ============================================================================= JUN. 27, 2013 - DEC. 31, 2019 - IN THIS PERIOD OF 2,379 DAYS, THERE HAS BEEN NO 100-DEGREE DAY AT HARRISON. THIS IS THE LONGEST STRETCH OF NO 100-DEGREE DAYS AT HARRISON SINCE RECORDS BEGAN IN 1891. THE PREVIOUS LONGEST STRETCH WAS 2,179 DAYS, OR FIVE YEARS, 11 MONTHS, AND 17 DAYS FROM JULY 23, 1974 TO JULY 9, 1980. $$ 57