000
CXUS54 KLZK 042154
CLAHRO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
309 PM CST TUE JAN 04 2022
...................................
...THE HARRISON CLIMATE SUMMARY FOR THE YEAR OF 2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1891 TO 2022
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 07/31 68 28 95 07/20
08/12
LOWEST -9 02/16 48 -57 11 02/14
AVG. MAXIMUM 69.4 69.0 0.4 69.1
AVG. MINIMUM 48.4 47.6 0.8 48.3
MEAN 58.9 58.3 0.6 58.7
DAYS MAX >= 90 35 41.1 -6.1 30
DAYS MAX <= 32 14 9.8 4.2 2
DAYS MIN <= 32 73 75.9 -2.9 64
DAYS MIN <= 0 2 0.3 1.7 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 71.03 1945
MINIMUM 23.26 1901
TOTALS 46.85 44.50 2.35 53.60
DAILY AVG. 0.13 0.12 0.01 0.15
DAYS >= .01 110 108.2 1.8 122
DAYS >= .10 73 81
DAYS >= .50 30 34
DAYS >= 1.00 17 12.2 4.8 15
GREATEST
24 HR. TOTAL 3.11 12/17 TO 12/18
STORM TOTAL 2.80
(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 12.0 11.5 0.5 3.8
LIQUID EQUIV 1.20 1.20 0.00 0.40
SINCE 7/1 T 1.8 -1.8 MM
LIQUID 7/1 -0.10 0.00 -0.10 MM
SNOWDEPTH AVG. 0 0
DAYS >= TRACE 19 MM MM 15
DAYS >= 1.0 4 MM MM 1
GREATEST
SNOW DEPTH 8 02/17 3 12/14
12/15
24 HR TOTAL 7.0 02/14 TO 02/15 3.0 12/13 TO 12/13
DEGREE DAYS
HEATING TOTAL 3587 3883 -296 3604
SINCE 7/1 1028 1534 -506 MM
COOLING TOTAL 1516 1475 41 1404
SINCE 1/1 1516 1473 43 MM
FREEZE DATES
RECORD
EARLIEST 09/13/1902
LATEST 05/17/1912
EARLIEST 11/04
LATEST 04/22
................................................................
WIND (MPH)
AVERAGE WIND SPEED 6.7
HIGHEST WIND SPEED/DIRECTION 28/250 DATE 06/21
HIGHEST GUST SPEED/DIRECTION 41/170 DATE 12/15
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.34
NUMBER OF DAYS FAIR 205
NUMBER OF DAYS PC 95
NUMBER OF DAYS CLOUDY 54
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 46 MIXED PRECIP 0
HEAVY RAIN 51 RAIN 60
LIGHT RAIN 125 FREEZING RAIN 1
LT FREEZING RAIN 5 HAIL 0
HEAVY SNOW 1 SLEET 1
FOG 156 FOG W/VIS <= 1/4 MILE 32
HAZE 39
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
...A REVIEW OF 2021 WEATHER AND CLIMATE DATA FOR HARRISON ARKANSAS...
SUMMARY
======================================================================
2021 AT HARRISON SAW THE COLDEST TEMPERATURE RECORDED IN 32 YEARS.
TRIPLE-DIGIT READINGS CONTINUED TO BE AVOIDED FOR THE 8TH YEAR IN A
ROW. THIS CONTINUES A RECORD STREAK OF NO 100-DEGREE DAYS THAT BEGAN
ON JUNE 28, 2013...A TOTAL OF 3,109 DAYS, OR 8 YEARS, 6 MONTHS, AND
2 DAYS. PRELIMINARILY, THIS WAS THE WARMEST YEAR SINCE 2017, BUT OVERALL
HAS BEEN FAIRLY COMPARABLE TO THE LAST SEVERAL YEARS.
THERE WERE 73 DAYS WITH LOW TEMPERATURES AT OR BELOW FREEZING, WHICH WAS
THE MOST IN TWO YEARS. THERE WERE 14 DAYS WITH HIGH TEMPERATURES AT OR
BELOW FREEZING, WHICH WAS THE MOST IN SEVEN YEARS. THERE WERE 35 DAYS
WITH HIGH TEMPERATURES OF 90 DEGREES OR WARMER WHICH WAS THE MOST IN TWO
YEARS, BUT BELOW THE ANNUAL AVERAGE OF 41. DURING THE YEAR, HARRISON
RECORDED ITS COLDEST TEMPERATURE IN 32 YEARS WHEN THE MERCURY FELL TO -9
DEGREES IN MID-FEBRUARY.
IN TERMS OF DEPARTURES FROM NORMAL (OR COMPARISON WITH THE 30-YEAR AVERAGE
1991-2020), DECEMBER HAD THE MOST SIGNIFICANTLY ANOMALOUS WARMTH, WITH A
DEPARTURE OF +12.3. BY FAR, THOUGH, THE MOST SIGNIFICANT COLD WAS IN FEBRUARY,
WITH A DEPARTURE OF -10.5. IN TERMS OF ACTUAL TEMPERATURES, THOUGH, THE WARMEST
MONTH WAS AUGUST AND THE COLDEST MONTH WAS FEBRUARY.
FOR THE FOURTH YEAR IN A ROW, RAINFALL WAS ABOVE AVERAGE. EVEN THOUGH THAT IS
THE CASE, IT WAS STILL THE DRIEST YEAR SINCE 2017. THERE WERE 111 DAYS
WITH MEASURABLE RAINFALL, WHICH WAS THE LEAST NUMBER IN FOUR YEARS. THE
WETTEST MONTH WAS MARCH, AND THE DRIEST MONTH WAS NOVEMBER.
MEASURABLE SNOW FELL DURING THE YEAR, AND FOR THE FIRST YEAR SINCE 2015,
ANNUAL SNOWFALL WAS ABOVE AVERAGE. SNOW FELL IN JANUARY, FEBRUARY, MARCH,
APRIL, NOVEMBER, AND DECEMBER, BUT WAS MEASURABLE IN JANUARY AND FEBRUARY.
IT WAS THE SNOWIEST YEAR SINCE 2015.
======================================================================
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)
2021 TEMPERATURE AVERAGES AND EXTREMES HARRISON, ARKANSAS
---------------------------------------------------------------------
AVERAGE TEMPERATURES TEMPERATURE EXTREMES
MONTH HIGH LOW MONTHLY DFN MAX DATE(S) MIN DATE(S)
---------------------------------------------------------------------
JAN 46.0 30.3 38.1 +1.1 59 4 20 12, 11, 10
FEB 39.3 21.6 30.4 -10.5 74 23 -9 16
MAR 64.1 40.5 52.3 +3.1 81 27 27 6
APR 67.9 45.1 56.5 -1.8 85 26 29 2
MAY 72.3 53.5 62.9 -3.3 85 26 41 7
JUN 84.8 64.6 74.7 +0.3 93 17 51 22
JUL 87.8 66.5 77.1 -1.4 96 31 58 5
AUG 88.2 68.3 78.2 +0.6 96 12 61 16
SEP 85.1 60.4 72.8 +2.9 94 4 45 23
OCT 72.8 52.3 62.5 +3.1 88 9 40 17
NOV 61.1 37.1 49.1 +0.6 76 16, 8 22 26
DEC 63.7 40.3 52.0 +12.3 80 3 20 20
---------------------------------------------------------------------
ANNUAL 69.43 48.38 58.9 +0.6 96 AUG. 12 -9 FEB. 16
JUL. 31
2021 RAINFALL, DEPARTURES, AND EXTREMES HARRISON, ARKANSAS
---------------------------------------------------------------------
MONTH RAINFALL DFN MAX/CALENDAR DAY MAX/24 HOURS
---------------------------------------------------------------------
JAN 3.11 +0.44 1.07/25TH 2.08/24TH-25TH
FEB 1.72 -0.70 0.40/15TH 0.56/27TH-28TH
MAR 6.84 +2.93 1.69/25TH 2.52/12TH-13TH
APR 5.87 +0.89 2.80/28TH 2.80/28TH
MAY 6.72 +1.91 1.08/27TH 1.23/3RD-4TH
JUN 3.92 +0.07 1.85/21ST 1.85/21ST
JUL 1.70 -1.97 1.15/16TH 1.31/25TH
AUG 1.75 -1.82 1.15/6TH 1.15/16TH
SEP 2.30 -1.76 1.11/4TH 1.15/4TH-5TH
OCT 5.47 +1.66 1.22/14TH 1.81/13TH-14TH
NOV 1.41 -2.55 0.30/25TH 0.40/10TH-11TH
DEC 4.49 +1.55 2.21/17TH 3.11/17TH-18TH
---------------------------------------------------------------------
ANNUAL 46.85 +2.35 2.80 APR. 28TH 3.11 DEC. 17TH-18TH
2021 SNOWFALL, DEPARTURES, AND EXTREMES HARRISON, ARKANSAS
---------------------------------------------------------------------
MONTH SNOW DFN MAX/CALENDAR DAY MAX/24-HOUR GREATEST DEPTH/DATE
---------------------------------------------------------------------
JAN 1.8 -2.4 1.3/27TH 1.3/27TH 1/28TH
FEB 10.2 +7.0 6.0/15TH 7.0/14TH-15TH 8/17TH
MAR T -2.0 T/18TH T/18TH 0
APR T -0.3 T/20TH T/20TH 0
OCT 0.0 -0.1 0.0 0.0 0
NOV 0.0 -0.4 0.0 0.0 0
DEC T -1.3 T/18TH, 11TH T/18TH, 11TH 0
---------------------------------------------------------------------
ANN. 12.0 +2.2 6.0/FEB. 15TH 7.0/FEB. 14TH-15TH 8/FEB. 17TH
---------------------------------------------------------------------
MISCELLANEOUS DATA (FIRST/LAST DATES, ETC.)
---------------------------------------------------------------------
DAYS WITH MINIMUMS AT OR BELOW FREEZING 73 MOST SINCE 2019
DAYS WITH MINIMUMS AT OR BELOW ZERO 2 MOST SINCE 2018
DAYS WITH MAXIMUMS AT OR BELOW FREEZING 14 MOST SINCE 2014
DAYS WITH MAXIMUMS AT OR ABOVE 90 DEGREES 35 MOST SINCE 2019
DAYS WITH MAXIMUMS AT OR ABOVE 100 DEGREES 0 8TH YEAR IN A ROW
LAST FREEZE APRIL 22ND LATEST SINCE 2013
FIRST 80-DEGREE DAY MARCH 27TH LATEST SINCE 2019
FIRST 90-DEGREE DAY JUNE 9TH LATEST SINCE 2019
LAST 90-DEGREE DAY SEPTEMBER 20TH LATEST SINCE 2019
LAST 80-DEGREE DAY OCTOBER 24TH EARLIEST SINCE 2019
FIRST FREEZE NOVEMBER 1ST EARLIEST SINCE 2018
DAILY RECORD TEMPERATURES TIED OR BROKEN DURING THE YEAR
---------------------------------------------------------------------
DATE RECORD TYPE NEW RECORD PREVIOUS RECORD
---------------------------------------------------------------------
FEB. 14TH COLDEST HIGH TEMPERATURE 9 IN 2021 29 IN 1951
FEB. 15TH COLDEST HIGH TEMPERATURE 4 IN 2021 17 IN 2007
LOW TEMPERATURE -6 IN 2021 -6 IN 1905
FEB. 16TH COLDEST HIGH TEMPERATURE 16 IN 2021 21 IN 1979
LOW TEMPERATURE -9 IN 2021 4 IN 1903
APR. 20TH COLDEST HIGH TEMPERATURE 49 IN 2021 52 IN 1909
APR. 21ST LOW TEMPERATURE 30 IN 2021 31 IN 1956
OCT. 10TH WARMEST LOW TEMPERATURE 69 IN 2021 69 IN 1949
OCT. 13TH WARMEST LOW TEMPERATURE 64 IN 2021 64 IN 1985
DEC. 2ND HIGH TEMPERATURE 78 IN 2021 77 IN 2012
DEC. 3RD HIGH TEMPERATURE 80 IN 2021 79 IN 1956
DEC. 15TH WARMEST LOW TEMPERATURE 65 IN 2021 60 IN 1948
DEC. 24TH WARMEST LOW TEMPERATURE 57 IN 2021 54 IN 1982
DEC. 26TH HIGH TEMPERATURE 74 IN 2021 72 IN 1971
ADDITIONAL INFORMATION AND HONORABLE MENTION (TEMPERATURE DATA)
---------------------------------------------------------------------
-DATE - PARAMETER
--ADDITIONAL INFORMATION AND CONTEXT
---------------------------------------------------------------------
FEB. 14TH - HIGH TEMPERATURE OF 9 DEGREES
--MOST RECENTLY TIED FEB. 4, 1989 FOR THE 3RD COLDEST HIGH TEMPERATURE
ON RECORD FOR THE MONTH.
FEB. 15TH - HIGH TEMPERATURE OF 4 DEGREES
--TIED AN ALL-TIME RECORD FOR THE COLDEST HIGH TEMPERATURE IN THE MONTH
OF FEBRUARY. THE RECORD WAS ORIGINALLY SET ON FEBRUARY 12, 1899.
FEB. 15TH - LOW TEMPERATURE OF -6 DEGREES
--MOST RECENTLY TIED FEB. 11, 1981 FOR 8TH COLDEST TEMPERATURE ON RECORD
FOR THE MONTH.
FEB. 15TH - DAILY AVERAGE TEMPERATURE OF -1.0 DEGREES
--COLDEST IN FEB. SINCE FEB. 13, 1905 AND 3RD COLDEST ON RECORD FOR THE
MONTH. 6TH COLDEST DAILY AVERAGE TEMPERATURE OVERALL, AND COLDEST SINCE
DEC. 24, 1983.
FEB. 16TH - LOW TEMPERATURE OF -9
--COLDEST FEB. TEMP AT HARRISON SINCE 1951, AND 6TH COLDEST ON RECORD
FOR THE MONTH.
JUN. 1ST - HIGH TEMPERATURE OF 61
--MOST RECENTLY TIED JUN. 7, 1916 FOR 2ND COLDEST ON RECORD FOR THE MONTH.
DEC. 2ND - HIGH TEMPERATURE OF 78
--MOST RECENTLY TIED DEC. 25, 1955 FOR 4TH WARMEST DECEMBER TEMPERATURE ON
RECORD.
DEC. 2ND - DAILY AVERAGE TEMPERATURE OF 66.0
--MOST RECENTLY TIED DEC. 29, 1984 FOR 6TH WARMEST DAILY AVERAGE ON RECORD
IN DECEMBER.
DEC. 3RD - HIGH TEMPERATURE OF 80
--MOST RECENTLY TIED DEC. 11, 1929 FOR 2ND WARMEST TEMPERATURE ON RECORD
DURING THE MONTH.
DEC. 15TH - LOW TEMPERATURE OF 65
--ALL-TIME RECORD WARMEST DECEMBER LOW. PREVIOUS RECORD WAS 64 WHICH WAS
SET ON DEC. 12, 2015.
DAILY RECORD RAINFALL TIED OR BROKEN DURING THE YEAR
---------------------------------------------------------------------
DATE NEW RECORD PREVIOUS RECORD
---------------------------------------------------------------------
MAR. 12TH 1.38 IN 2021 0.95 IN 1986
MAR. 13TH 1.20 IN 2021 1.08 IN 2015
APR. 28TH 2.80 IN 2021 2.28 IN 1915
OCT. 27TH 1.12 IN 2021 1.11 IN 1913
DEC. 17TH 2.21 IN 2021 1.35 IN 1995
ADDITIONAL INFORMATION AND HONORABLE MENTION (RAINFALL DATA)
---------------------------------------------------------------------
-DATE - PARAMETER
--ADDITIONAL INFORMATION AND CONTEXT
---------------------------------------------------------------------
NONE.
DAILY RECORD SNOWFALL TIED OR BROKEN DURING THE YEAR
---------------------------------------------------------------------
DATE NEW RECORD PREVIOUS RECORD
---------------------------------------------------------------------
APR. 20TH T IN 2021 NONE-RECORD ESTABLISHED
ADDITIONAL INFORMATION AND HONORABLE MENTION (SNOWFALL DATA)
---------------------------------------------------------------------
-DATE - PARAMETER
--ADDITIONAL INFORMATION AND CONTEXT
---------------------------------------------------------------------
-FEB. 1-28
--10TH SNOWIEST FEB. ON RECORD
OTHER NOTEWORTHY PHENOMENA DURING THE YEAR
---------------------------------------------------------------------
-DATE - PARAMETER
--ADDITIONAL INFORMATION AND CONTEXT
---------------------------------------------------------------------
NONE.
$$
57
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