Climatological Report (Annual)
Issued by NWS Little Rock, AR
Issued by NWS Little Rock, AR
882 CXUS54 KLZK 031441 CCA CLALZK CLIMATE REPORT...CORRECTED FORMATTING NATIONAL WEATHER SERVICE LITTLE ROCK AR 1122 AM CST SAT JAN 02 2021 ................................... ...THE NORTH LITTLE ROCK CLIMATE SUMMARY FOR THE YEAR OF 2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1975 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 111 08/03/2011 08/30/2000 LOW -6 01/20/1985 HIGHEST 97 08/25 73 24 96 09/18 08/10 09/08 08/13 LOWEST 21 02/14 53 -32 17 03/04 AVG. MAXIMUM 70.7 72.0 -1.3 70.9 AVG. MINIMUM 53.2 53.3 -0.1 53.1 MEAN 61.9 62.7 -0.8 62.0 DAYS MAX >= 90 48 63.4 -15.4 62 DAYS MAX <= 32 1 4.6 -3.6 1 DAYS MIN <= 32 30 41.1 -11.1 36 DAYS MIN <= 0 0 0.1 -0.1 0 PRECIPITATION (INCHES) RECORD MAXIMUM 79.61 2009 MINIMUM 37.02 1995 TOTALS 59.97 50.03 9.94 66.11 DAILY AVG. 0.17 0.14 0.03 0.18 DAYS >= .01 134 107.4 26.6 123 DAYS >= .10 87 72.9 14.1 78 DAYS >= .50 45 33.3 11.7 40 DAYS >= 1.00 15 14.8 0.2 24 GREATEST 24 HR. TOTAL 4.37 08/27 TO 08/28 4.46 04/18 TO 04/18 SNOWFALL (INCHES) RECORDS TOTAL 19.1 1979 24 HR TOTAL 12.0 01/06/1988 TO 01/07/1988 SNOW DEPTH 12 01/07/1988 TOTALS 0.4 4.4 -4.0 T LIQUID EQUIV 0.00 0.60 -0.60 T SINCE 7/1 0.1 0.5 -0.4 MM LIQUID 7/1 0.01 0.00 0.01 MM SNOWDEPTH AVG. T 0 DAYS >= TRACE 11 2.9 8.1 7 DAYS >= 1.0 0 1.4 -1.4 0 GREATEST SNOW DEPTH 0 0 MM 24 HR TOTAL 0.3 T 12/10 TO 12/10 11/11 TO 11/11 03/03 TO 03/03 DEGREE DAYS HEATING TOTAL 2893 3006 -113 3124 SINCE 7/1 1139 1193 -54 1249 COOLING TOTAL 1868 2170 -302 2163 SINCE 1/1 1402 2170 -768 2163 FREEZE DATES RECORD EARLIEST 10/20/1989 LATEST 04/19/1983 EARLIEST 11/30 LATEST 02/27 ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.6 HIGHEST WIND SPEED/DIRECTION 30/150 DATE 04/22 HIGHEST GUST SPEED/DIRECTION 45/150 DATE 05/25 SKY COVER AVERAGE SKY COVER MM NUMBER OF DAYS FAIR MM NUMBER OF DAYS PC MM NUMBER OF DAYS CLOUDY MM WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 61 MIXED PRECIP 0 HEAVY RAIN 42 RAIN 76 LIGHT RAIN 159 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 1 HEAVY SNOW 1 SLEET 3 FOG 75 FOG W/VIS <= 1/4 MILE 19 HAZE 1 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...A REVIEW OF 2020 WEATHER AND CLIMATE DATA FOR NORTH LITTLE ROCK... SUMMARY ====================================================================== AT NORTH LITTLE ROCK, 2020 WAS THE COLDEST YEAR SINCE 2018. THIS WAS LARGELY DUE TO HIGHS BEING COOLER THAN AVERAGE. DAYS WITH FREEZING TEMPERATURES ONLY AMOUNTED TO 30 DURING THE YEAR. BY THAT SAME TOKEN, THERE WERE 48 90-DEGREE DAYS, AND THIS WAS THE FIFTH YEAR IN A ROW WITH NO 100-DEGREE DAYS. SPEAKING OF 100-DEGREE DAYS, WE ARE NOW 2,338 DAYS SINCE THE LAST ONE WAS RECORDED AT NORTH LITTLE ROCK (AUGUST 9, 2015). THIS CONTINUES A RECORD STREAK OF NO 100-DEGREE DAYS, WITH THE PREVIOUS RECORD BEING 1,080 DAYS FROM AUGUST 9, 2012 TO JULY 24, 2015. IN TERMS OF DEPARTURES FROM NORMAL (OR COMPARISON WITH THE 30-YEAR AVERAGE), JANUARY WAS MOST SIGNIFICANTLY WARM, WITH A DEPARTURE OF +2.8 DEGREES, WHILE APRIL WAS MOST SIGNIFICANTLY COLD, WITH A DEPARTURE OF -3.6 DEGREES. IN TERMS OF ACTUAL TEMPERATURES, JULY WAS WARMEST AND DECEMBER WAS COLDEST. THOUGH THE AVERAGE ANNUAL RAINFALL WAS THE LEAST IN THE LAST THREE YEARS, 2020 WAS STILL SIGNIFICANTLY ABOVE AVERAGE IN TERMS OF PRECIPITATION. IN FACT, IT IS THE 8TH WETTEST YEAR ON RECORD AT NORTH LITTLE ROCK. SNOWFALL CONTINUED TO RUN WELL BELOW AVERAGE, BUT FOR THE FIRST TIME IN TWO YEARS, IT WAS ACTUALLY MEASURABLE. SNOW FELL IN JANUARY, FEBRUARY AND DECEMBER. HAIL WAS RECORDED IN MARCH AND APRIL. ===================================================================== REMEMBER, ALL DATA LISTED BELOW IS PRELIMINARY UNTIL FINAL QUALITY CONTROL BY THE NATIONAL CENTER FOR ENVIRONMENTAL INFORMATION IN ASHEVILLE, NORTH CAROLINA. (DFN = DEPARTURE FROM NORMAL) 2020 TEMPERATURE AVERAGES AND EXTREMES NORTH LITTLE ROCK, ARKANSAS --------------------------------------------------------------------- AVERAGE TEMPERATURES TEMPERATURE EXTREMES MONTH HIGH LOW MONTHLY DFN MAX DATE(S) MIN DATE(S) --------------------------------------------------------------------- JAN 50.8 36.9 43.9 +2.8 66 15, 10 23 20 FEB 53.0 36.2 44.6 -0.7 74 2 21 14 MAR 64.2 48.4 56.3 +2.4 87 26 34 7 APR 67.9 50.4 59.2 -3.6 84 8 37 18 MAY 76.6 58.6 67.6 -3.3 86 25 45 9 JUN 86.6 68.5 77.6 -1.1 94 7 61 11 JUL 90.7 73.2 82.0 -0.4 95 20 69 3 AUG 89.7 69.8 79.8 -2.2 97 25, 10 63 6 SEP 80.9 63.8 72.4 -2.2 89 11, 10, 52 30, 29 9, 7, 6 OCT 69.4 52.0 60.7 -3.1 85 7 38 30 NOV 65.4 45.2 55.3 +2.5 78 9 31 30 DEC 52.6 34.9 43.8 +0.7 74 10, 9 22 25 ANNUAL 70.65 53.16 61.9 -0.8 97 AUG. 25TH 21 FEB. 14TH AUG. 10TH 2020 RAINFALL, DEPARTURES, AND EXTREMES NORTH LITTLE ROCK, ARKANSAS --------------------------------------------------------------------- MONTH RAINFALL DFN MAX (CALENDAR DAY) MAX (24 HOURS) --------------------------------------------------------------------- JAN 7.00 +3.58 3.17 (11TH) 3.36 (10TH-11TH) FEB 5.17 +1.51 1.25 (12TH) 1.28 (11TH-12TH) MAR 6.64 +1.87 1.56 (30TH) 1.99 (30TH-31ST) APR 6.09 +1.30 1.71 (12TH) 1.91 (11TH-12TH) MAY 8.49 +3.53 1.59 (17TH) 2.25 (16TH-17TH) JUN 5.55 +2.24 2.63 ( 8TH) 2.68 (8TH-9TH) JUL 2.66 -1.15 1.64 ( 9TH) 1.64 (9TH) AUG 5.39 +2.57 4.18 (27TH) 4.37 (27TH-28TH) SEP 3.04 -0.27 1.09 ( 1ST) 1.21 (22ND-23RD) OCT 4.03 -0.77 1.80 (28TH) 1.86 (28TH-29TH) NOV 1.69 -3.70 0.50 (25TH) 0.99 (24TH-25TH) DEC 4.22 -0.79 1.42 (31ST) 1.42 (31ST) ANNUAL 59.97 +9.94 4.18 (AUG. 27TH) 4.37 (AUG. 27TH-28TH) 2020 SNOWFALL, DEPARTURES, AND EXTREMES NORTH LITTLE ROCK, ARKANSAS --------------------------------------------------------------------- MONTH SNOW DFN MAX (CALENDAR DAY) MAX (24 HOURS) HIGHEST DEPTH --------------------------------------------------------------------- JAN T -1.7 T (22ND) T (22ND) 0 FEB 0.3 -1.5 0.3 (20TH) 0.3 (20TH) MAR T* (HAIL) -0.4 T ( 3RD)*HAIL T ( 3RD)* HAIL APR T* (HAIL) 0.0 T (28TH)*HAIL T (28TH)* HAIL OCT 0.0 0.0 NOV 0.0 0.0 DEC 0.1 -0.4 0.1 (13TH) 0.1 (13TH) T ANNUAL 0.4 -4.0 0.3 (FEB. 20TH) 0.3 (FEB. 20TH) T (DEC. 16TH) MISCELLANEOUS DATA (FIRST/LAST DATES, ETC.) --------------------------------------------------------------------- DAYS WITH MINIMUMS AT OR BELOW FREEZING 30 FEWEST SINCE 2017 DAYS WITH MAXIMUMS AT OR ABOVE 90 DEGREES 48 FEWEST SINCE 2017 DAYS WITH MAXIMUMS AT OR ABOVE 100 DEGREES 0 5TH YEAR IN A ROW LAST FREEZE FEBRUARY 27TH EARLIEST SINCE 2016 FIRST 80-DEGREE DAY MARCH 26TH EARLIEST SINCE 2018 FIRST 90-DEGREE DAY JUNE 5TH EARLIEST SINCE 2018 LAST 90-DEGREE DAY AUGUST 29TH EARLIEST SINCE 2012 (EARLIEST ON RECORD) LAST 80-DEGREE DAY OCTOBER 22ND LATEST SINCE 2017 FIRST FREEZE NOVEMBER 30TH LATEST SINCE 2016 DAILY RECORD TEMPERATURES TIED OR BROKEN DURING THE YEAR --------------------------------------------------------------------- DATE RECORD TYPE NEW RECORD PREVIOUS RECORD --------------------------------------------------------------------- JAN. 9TH WARMEST LOW TEMPERATURE 47 IN 2020 47 IN 2013, 2006, 1990 JAN. 10TH WARMEST LOW TEMPERATURE 59 IN 2020 53 IN 2002 JAN. 15TH HIGH TEMPERATURE 66 IN 2020 64 IN 2016 FEB. 14TH LOW TEMPERATURE 21 IN 2020 24 IN 2007, 1981 MAR. 2ND WARMEST LOW TEMPERATURE 60 IN 2020 59 IN 1976 MAR. 16TH COLDEST HIGH TEMPERATURE 46 IN 2020 49 IN 2005 MAR. 26TH HIGH TEMPERATURE 87 IN 2020 83 IN 1991 MAR. 27TH WARMEST LOW TEMPERATURE 69 IN 2020 64 IN 2004, 1998 MAY 8TH COLDEST HIGH TEMPERATURE 65 IN 2020 66 IN 1983 MAY 9TH LOW TEMPERATURE 45 IN 2020 46 IN 1983 MAY 10TH LOW TEMPERATURE 47 IN 2020 48 IN 1990 MAY 12TH COLDEST HIGH TEMPERATURE53 IN 2020 66 IN 1997, 1979 LOW TEMPERATURE 47 IN 2020 48 IN 1997 JUN. 29TH COLDEST HIGH TEMPERATURE 77 IN 2020 79 IN 1992 AUG. 5TH LOW TEMPERATURE 64 IN 2020 65 IN 1986 AUG. 6TH LOW TEMPERATURE 63 IN 2020 63 IN 1994 AUG. 27TH COLDEST HIGH TEMPERATURE 74 IN 2020 76 IN 1996 SEP. 23RD COLDEST HIGH TEMPERATURE 61 IN 2020 64 IN 1989 OCT. 15TH COLDEST HIGH TEMPERATURE 62 IN 2020 62 IN 1991 OCT. 24TH COLDEST HIGH TEMPERATURE 50 IN 2020 52 IN 1981 OCT. 27TH COLDEST HIGH TEMPERATURE 48 IN 2020 52 IN 2002 DEC. 9TH HIGH TEMPERATURE 74 IN 2020 74 IN 2007 DEC. 10TH HIGH TEMPERATURE 74 IN 2020 70 IN 2015, 1996 DEC. 15TH COLDEST HIGH TEMPERATURE 31 IN 2020 36 IN 2000 ADDITIONAL INFORMATION AND HONORABLE MENTION (TEMPERATURE DATA) --------------------------------------------------------------------- DATE PARAMETER AND DATE(S) INFORMATION --------------------------------------------------------------------- MAR. 26TH HIGH TEMPERATURE OF 87 TIED ALL-TIME RECORD HIGH FOR MARCH (87 ON 03/31/1981) MAR. 27TH LOW TEMPERATURE OF 69 MOST RECENTLY TIED 03/29/1985 FOR 2ND WARMEST MARCH LOW MAY 12TH HIGH TEMPERATURE OF 53 4TH ALL-TIME COLDEST HIGH TEMPERATURE AT NORTH LITTLE ROCK DURING THE MONTH OF MAY AUG. 27TH HIGH TEMPERATURE OF 74 4TH ALL-TIME COLDEST HIGH TEMPERATURE AT NORTH LITTLE ROCK DURING THE MONTH OF AUGUST SEP. 23RD HIGH TEMPERATURE OF 61 MOST RECENTLY TIED SEP. 27, 1996 FOR THE 4TH ALL-TIME COLDEST HIGH TEMPERATURE AT NORTH LITTLE ROCK IN THE MONTH OF SEPTEMBER OCT. 24TH HIGH TEMPERATURE OF 50 MOST RECENTLY TIED OCT. 31, 2017 FOR THE 7TH ALL-TIME COLDEST HIGH TEMPERATURE IN THE MONTH OF OCTOBER AT NORTH LITTLE ROCK. OCT. 27TH HIGH TEMPERATURE OF 48 MOST RECENTLY TIED OCT. 16, 2017 FOR THE 5TH COLDEST HIGH TEMPERATURE IN THE MONTH OF OCTOBER AT NORTH LITTLE ROCK. DAILY RECORD RAINFALL TIED OR BROKEN DURING THE YEAR --------------------------------------------------------------------- DATE NEW RECORD PREVIOUS RECORD --------------------------------------------------------------------- JAN. 11TH 3.17 IN 2020 1.31 IN 1978 AUG. 27TH 4.16 IN 2020 1.22 IN 1976 OCT. 28TH 1.80 IN 2020 1.10 IN 1982 DEC. 31ST 1.42 IN 2020 1.29 IN 1978 ADDITIONAL INFORMATION AND HONORABLE MENTION (RAINFALL DATA) --------------------------------------------------------------------- DATE PARAMETER AND DATE(S) INFORMATION --------------------------------------------------------------------- JAN. 10TH-11TH 3.36 INCHES OF RAIN HIGHEST 24-HOUR RAINFALL IN JANUARY SINCE 1991, 2ND HIGHEST 24-HOUR RAINFALL ON RECORD IN JANUARY. ONLY 01/05- 06/1991 WAS WETTER (3.61 INCHES) JAN. 11TH 3.17 INCHES OF RAIN WETTEST JANUARY DAY SINCE 01/06/1991, ALL- TIME WETTEST CALENDAR DAY IN JANUARY. PREVIOUS RECORD WAS 2.83 ON 01/06/1991. MARCH 16 DAYS WITH MEASURABLE RAINFALL MOST ON RECORD FOR THE MONTH. PREVIOUS RECORD WAS 15 DAYS IN 2015, 2002, AND 1990. MARCH 22 DAYS WITH ANY RAINFALL MOST ON RECORD IN ANY (MEASURABLE OR TRACE) GIVEN MONTH. PREVIOUS RECORD WAS 21 DAYS IN MAY 2015 AND JULY 1989. MAY 17 DAYS WITH MEASURABLE RAINFALL MOST ON RECORD FOR THE MONTH. PREVIOUS RECORD WAS 16 DAYS IN 2015. AUG. 27TH 4.16 INCHES OF RAIN 3RD HIGHEST CALENDAR DAY RAINFALL ON RECORD FOR AUGUST. AUG. 27TH-28TH 4.37 INCHES OF RAIN IN 24 HOURS 2ND HIGHEST 24-HOUR RAINFALL ON RECORD FOR AUGUST DAILY RECORD SNOWFALL TIED OR BROKEN DURING THE YEAR --------------------------------------------------------------------- DATE NEW RECORD PREVIOUS RECORD --------------------------------------------------------------------- FEB. 20TH 0.3 IN 2020 0.2 IN 2013 OTHER NOTEWORTHY PHENOMENA DURING THE YEAR --------------------------------------------------------------------- MAR. 3RD - SMALL HAIL FELL BRIEFLY APR. 28TH - 1/2 INCH DIAMETER HAIL FELL DURING THE PASSAGE OF A STRONG THUNDERSTORM JUN. 8TH - ALL-TIME RECORD LOW PRESSURE SET FOR JUNE AT 29.40. PREVIOUS RECORD WAS 29.60 ON JUNE 8, 1995. THE RECORD WAS SET AS THE REMNANTS OF TROPICAL STORM CRISTOBAL PASSED NEAR THE REGION. JUN. 12TH - ALL-TIME RECORD HIGH PRESSURE TIED FOR JUNE AT 30.32. PREVIOUS RECORD WAS 30.32 SET ON JUNE 21, 2002. JUN. 28TH - WINDS GUSTED TO 42 MPH DURING THE PASSAGE OF A STRONG THUNDERSTORM AUG. 27TH - ALL-TIME RECORD LOW PRESSURE SET FOR AUGUST AT 29.48. PREVIOUS RECORD WAS 29.56 ON AUGUST 30TH 2005. THIS WAS DUE TO THE CLOSE PASSAGE OF THE REMNANTS OF HURRICANE LAURA. $$ 57