Climatological Report (Monthly) Issued by NWS
000
CXUS54 KLZK 010954
CLMHRO
CLIMATE REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
447 AM CDT WED MAY 1 2013
...................................
...THE HARRISON CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2013
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 99 04/27/1927
LOW 20 04/13/1957
04/14/1950
04/04/1904
HIGHEST 84 04/17 69 15 90 04/01
LOWEST 29 04/25 48 -19 37 04/21
AVG. MAXIMUM 68.4 69.2 -0.8 73.3
AVG. MINIMUM 44.0 46.8 -2.8 51.4
MEAN 56.2 58.0 -1.8 62.4
DAYS MAX >= 90 0 0.0 0.0 1
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 1 1.6 -0.6 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 14.73 2011
MINIMUM 0.53 1989
TOTALS 4.12 4.32 -0.20 1.64
DAILY AVG. 0.14 0.14 0.00 0.05
DAYS >= .01 10 9.6 0.4 5
DAYS >= .10 6 5
DAYS >= .50 4 1
DAYS >= 1.00 1 1.4 -0.4 0
GREATEST
24 HR. TOTAL 1.77 04/26 TO 04/27
SNOWFALL (INCHES)
RECORDS
TOTAL 9.0 1971
24 HR TOTAL 5.8 04/04/1993 TO 04/04/1993
SNOW DEPTH 2 04/14/1980
TOTALS T 0.3 -0.3 0.0
LIQUID EQUIV T 0.00 0.00 0.00
SINCE 7/1 4.6 11.5 -6.9 2.1
LIQUID 7/1 0.46 1.00 -0.54 0.21
SNOWDEPTH AVG. 0
DAYS >= TRACE 1 1.0 0.0 0
DAYS >= 1.0 0 0
GREATEST
SNOW DEPTH 0 MM
24 HR TOTAL T 04/02 TO 04/02
DEGREE_DAYS
HEATING TOTAL 283 241 42 143
SINCE 7/1 3836 3921 -85 3058
COOLING TOTAL 25 31 -6 72
SINCE 1/1 32 37 -5 128
FREEZE DATES
RECORD
EARLIEST 09/13/1902
LATEST 05/17/1912
EARLIEST 10/29
LATEST 04/04
......................................................
WIND (MPH)
AVERAGE WIND SPEED 8.5
HIGHEST WIND SPEED/DIRECTION 33/170 DATE 04/18
HIGHEST GUST SPEED/DIRECTION 41/170 DATE 04/18
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 12
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 63
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 6
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 1
FOG 11 FOG W/VIS <= 1/4 MILE 1
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
...DATA FOR HARRISON FOR APRIL 2013...
.SUMMARY...
THERE WERE PERIODIC WARM SPELLS DURING THE MONTH. HOWEVER...THE BIG
STORY THIS MONTH WAS THE COLDER THAN AVERAGE TEMPERATURES. SEVERAL
TIMES DURING THE MONTH...TEMPERATURES FELL INTO THE 30S. THERE WAS ONE
DAY WITH A LOW TEMPERATURE IN THE UPPER 20S...WHICH WAS THE FIRST TIME
SINCE 2009.
THE LOW OF 29 ON THE 25TH WAS THE LATEST FREEZE SINCE 1963. THE LOW
WAS THE COLDEST LOW TEMPERATURE THIS LATE IN THE SEASON IN 103 YEARS.
THE LAST TIME THE LOW TEMPERATURE WAS THIS COLD THIS LATE IN THE YEAR
WAS ON MAY 2ND 1911...WITH A LOW OF 26 DEGREES. SINCE 1960...THERE HAVE
ONLY BEEN THREE OTHER YEARS WITH A FREEZE THIS LATE...1960 /MAY 1ST/...1961
/MAY 2ND/...AND 1963 /MAY 1ST/.
.MONTHLY TEMPERATURES...
THE AVERAGE HIGH TEMPERATURE WAS THE COLDEST SINCE 2009.
THE AVERAGE MONTHLY TEMPERATURE WAS THE COLDEST SINCE 2008.
THE AVERAGE LOW TEMPERATURE WAS THE COLDEST SINCE 2008.
.DAILY AVERAGE TEMPERATURES...
ABOVE NORMAL ON 10 DAYS...AT NORMAL ON TWO DAYS...AND BELOW NORMAL
ON 18 DAYS.
.NUMBER OF DAYS WITH...
HIGH TEMPERATURES AT OR ABOVE 70 DEGREES...15...WHICH WAS THE FEWEST
SINCE 2009.
HIGH TEMPERATURES AT OR BELOW 50 DEGREES...1...WHICH WAS THE MOST
SINCE 2009.
LOW TEMPERATURES AT OR BELOW FREEZING...1...WHICH WAS THE MOST SINCE
2009...AND THE FIRST APRIL FREEZE SINCE THEN.
.DAILY TEMPERATURE RECORDS TIED OR BROKEN DURING THE MONTH...
NONE.
.RAINFALL...
IT WAS THE WETTEST APRIL SINCE 2011.
.DAILY RAINFALL RECORDS TIED OR BROKEN DURING THE MONTH...
NONE.
.SNOWFALL...
FOR THE FIRST TIME SINCE 2008...HARRISON RECORDED A TRACE OF SNOWFALL IN
THE MONTH OF APRIL.
.DAILY SNOWFALL RECORDS TIED OR BROKEN DURING THE MONTH...
DATE NEW RECORD PREVIOUS RECORD
2ND TRACE IN 2013 TRACE IN 1983...1975...1915
$$
57