966
CXUS54 KLZK 011521
CLMLZK
CLIMATE REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
915 AM CST SUN NOV 1 2009
...............................
...THE LITTLE ROCK ADAMS FIELD CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1878 TO 2009
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 97 10/11/1963
10/10/1963
LOW 27 10/30/1917
HIGHEST 88 10/08 75 13 86 10/06
LOWEST 37 10/18 52 -15 34 10/29
AVG. MAXIMUM 67.8 75.1 -7.3 74.5
AVG. MINIMUM 51.0 51.5 -0.5 50.9
MEAN 59.4 63.3 -3.9 62.7
DAYS MAX >= 90 0 0.7 -0.7 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.1 -0.1 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 15.35 1984
MINIMUM 0.01 1944
TOTALS 16.56R 4.25 12.31 4.94
DAILY AVG. 0.53 0.14 0.39 0.16
DAYS >= .01 14 7.5 6.5 6
DAYS >= .10 12 5
DAYS >= .50 6 3
DAYS >= 1.00 4 1.5 2.5 2
GREATEST
24 HR. TOTAL 5.33 10/29 TO 10/30
SNOWFALL (INCHES)
RECORDS
TOTAL T 1993
1925
24 HR TOTAL T 10/30/1993 TO 10/30/1993
10/30/1925 TO 10/30/1925
10/29/1993 TO 10/29/1993
TOTALS 0.0 0.0 0.0 0.0
LIQUID EQUIV 0.00 0.00 0.00 0.00
SINCE 7/1 0.0 0.0 0.0 0.0
LIQUID 7/1 0.00 0.00 0.00 0.00
SNOWDEPTH AVG. 0
DAYS >= TRACE 0 MM MM 0
DAYS >= 1.0 0 0
DEGREE_DAYS
HEATING TOTAL 181 124 57 125
SINCE 7/1 182 137 45 125
COOLING TOTAL 16 72 -56 60
SINCE 1/1 1938 2074 -136 2102
FREEZE DATES
RECORD
EARLIEST 10/20/1989
LATEST 04/19/1983
EARLIEST 11/13
LATEST 03/19
.............................................................
WIND (MPH)
AVERAGE WIND SPEED 6.9
HIGHEST WIND SPEED/DIRECTION 30/140 DATE 10/29
HIGHEST GUST SPEED/DIRECTION 39/140 DATE 10/29
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 7
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 20
AVERAGE RH (PERCENT) 77
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 7 RAIN 10
LIGHT RAIN 15 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 1
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
..ADDITIONAL DATA FOR LITTLE ROCK ADAMS FIELD FOR OCTOBER 2009
THE AVERAGE TEMPERATURE FOR THE MONTH WAS 59.4 DEGREES. IT WAS THE
COOLEST OCTOBER SINCE 1987...AND THE 10TH COOLEST OCTOBER ON RECORD.
THE AVERAGE MONTHLY HIGH TEMPERATURE WAS 67.8 DEGREES...WHICH WAS
THE COOLEST SINCE 1925...AND THE SECOND COOLEST ON RECORD.
FOR THE FIRST TIME EVER...THERE WAS ONLY ONE DAY WITH A TEMPERATURE
OF 80 DEGREES OR HIGHER...AND THIS OCCURRED ON THE 8TH /HIGH OF 88/.
THIS IS THE FEWEST 80-DEGREE DAYS IN THE MONTH OF OCTOBER SINCE
RECORDS BEGAN.
TEMPERATURE RECORDS DURING THE MONTH OCCURRED...
ON THE 10TH...THE HIGH OF 54 BROKE THE OLD LOWEST HIGH TEMPERATURE
RECORD OF 58...SET IN 1925.
DAILY AVERAGE TEMPERATURES ABOVE NORMAL OCCURED ON FOUR DAYS.
TEMPERATURES OF NORMAL OCCURED ON THREE DAYS. THE REMAINING 24 DAYS
SAW A BELOW NORMAL DAILY AVERAGE TEMPERATURE.
16.56 INCHES OF RAIN FELL DURING THE MONTH. IT WAS THE WETTEST
OCTOBER SINCE 1984...AND THE WETTEST OCTOBER ON RECORD. IT WAS ONLY
THE 3RD OCTOBER SINCE RAINFALL RECORDS BEGAN IN 1878 WITH OVER 10
INCHES OF RAIN.
OTHER RAINFALL RECORDS DURING THE MONTH OCCURRED...
ON THE 9TH...THE 3.91 INCHES OF RAIN TIED THE PREVIOUS DAILY RECORD
RAINFALL SET IN 1990. THIS WAS THE 4TH WETTEST DAY ON RECORD IN THE
MONTH OF OCTOBER.
ON THE 13TH...THE 2.06 INCHES OF RAIN BROKE THE PREVIOUS DAILY
RECORD RAINFALL OF 1.91 INCHES...SET IN 1943.
ON THE 29TH...THE 5.05 INCHES OF RAIN BROKE THE PREVIOUS DAILY
RAINFALL RECORD OF 4.08 INCHES...SET IN 1991. THIS WAS ALSO THE 2ND
WETTEST DAY ON RECORD IN THE MONTH OF OCTOBER.
OCTOBER 2009 WAS THE WETTEST MONTH SINCE JANUARY 1937...AND ALSO THE
3RD WETTEST MONTH ON RECORD...SURPASSED ONLY BY DECEMBER 1884 /16.92
INCHES/...AND JANUARY 1937 /18.04 INCHES/.
...............................
...THE NORTH LITTLE ROCK CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1976 TO 2009
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 92 10/23/2003
10/01/1979
LOW 27 10/31/1993
HIGHEST 86 10/08 75 11 85 10/11
LOWEST 37 10/18 54 -17 35 10/28
AVG. MAXIMUM 66.0 73.5 -7.5 73.2
AVG. MINIMUM 50.2 53.7 -3.5 52.3
MEAN 58.1 64.5 -6.4 62.8
DAYS MAX >= 90 0 0.3 -0.3 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.2 -0.2 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 14.03 1984
MINIMUM 0.80 2000
TOTALS 15.81R 3.81 12.00 4.08
DAILY AVG. 0.51 0.12 0.39 0.13
DAYS >= .01 14 7.8 6.2 7
DAYS >= .10 11 5
DAYS >= .50 8 3
DAYS >= 1.00 4 1.3 2.7 1
GREATEST
24 HR. TOTAL 5.23 10/29 TO 10/29
SNOWFALL (INCHES)
RECORDS
TOTAL 0.2 1993
24 HR TOTAL 0.2 10/29/1993 TO 10/29/1993
TOTALS 0.0 T 0.0 0.0
LIQUID EQUIV 0.00 0.00 0.00 0.00
SINCE 7/1 0.0 T 0.0 0.0
LIQUID 7/1 0.00 0.00 0.00 0.00
SNOWDEPTH AVG. 0
DAYS >= TRACE 0 0.0 0.0 0
DAYS >= 1.0 0 0
DEGREE_DAYS
HEATING TOTAL 215 99 116 122
SINCE 7/1 217 107 110 124
COOLING TOTAL 10 83 -73 62
SINCE 1/1 1798 2182 -384 2026
FREEZE DATES
RECORD
EARLIEST 10/20/1989
LATEST 04/19/1983
EARLIEST 11/13
LATEST 03/19
.............................................................
WIND (MPH)
AVERAGE WIND SPEED MM
HIGHEST WIND SPEED/DIRECTION MM DATE MM
HIGHEST GUST SPEED/DIRECTION MM DATE MM
SKY COVER
POSSIBLE SUNSHINE (PERCENT) 44
AVERAGE SKY COVER MM
NUMBER OF DAYS FAIR MM
NUMBER OF DAYS PC MM
NUMBER OF DAYS CLOUDY MM
AVERAGE RH (PERCENT) MM
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 5
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 6
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
..ADDITIONAL DATA FOR NORTH LITTLE ROCK FOR OCTOBER 2009
THE AVERAGE TEMPERATURE FOR THE MONTH WAS 58.1 DEGREES. IT WAS THE
COOLEST OCTOBER SINCE 1987...AND THE COOLEST OCTOBER ON RECORD. THE
AVERAGE MONTHLY HIGH TEMPERATURE WAS 66.0 DEGREES...WHICH WAS THE
COOLEST SINCE 2002...AND ALSO THE COOLEST ON RECORD. THE AVERAGE
MONTHLY LOW TEMPERATURE WAS 50.2 DEGREES...WHICH WAS THE COOLEST
SINCE 1987...AND THE 2ND COOLEST ON RECORD.
FOR THE FIRST TIME SINCE 1988...THERE WAS ONLY ONE DAY WITH
TEMPERATURES AT OR ABOVE 80 DEGREES...WHEN THE HIGH ON THE 8TH
REACHED 86 DEGREES.
TEMPERATURE RECORDS DURING THE MONTH OCCURRED...
ON THE 4TH...THE HIGH OF 64 BROKE THE PREVIOUS LOWEST HIGH
TEMPERATURE RECORD OF 69...WHICH WAS SET IN 1987...AND TIED IN 1999.
ON THE 5TH...THE HIGH OF 60 TIED THE PREVIOUS LOWEST HIGH
TEMPERATURE RECORD FOR THE DATE...WHICH WAS FIRST SET IN 1988.
ON THE 10TH...THE HIGH OF 52 BROKE THE PREVIOUS LOWEST HIGH
TEMPERATURE RECORD OF 58...WHICH WAS SET IN 1990. THIS WAS ALSO THE
8TH LOWEST HIGH TEMPERATURE EVER RECORDED IN THE MONTH OF OCTOBER...
AND THE 10TH COOLEST DAY IN TERMS OF HIGH TEMPERATURE.
ON THE 18TH...THE LOW OF 37 BROKE THE PREVIOUS LOW TEMPERATURE
RECORD OF 41...WHICH WAS SET IN 1989.
THERE WERE THREE DAYS WITH AN ABOVE NORMAL DAILY AVERAGE
TEMPERATURE...AND ONE DAY WITH A DAILY AVERAGE TEMPERATURE OF
NORMAL. THE REMAINING 27 DAYS SAW DAILY TEMPERATURES BELOW NORMAL.
15.81 INCHES OF RAIN FELL DURING THE MONTH. IT WAS THE WETTEST
OCTOBER SINCE 1984...AND THE WETTEST OCTOBER ON RECORD.
OTHER RAINFALL RECORDS DURING THE MONTH OCCURRED...
ON THE 9TH...3.23 INCHES OF RAIN BROKE THE PREVIOUS DAILY RAINFALL
RECORD OF 3.18 INCHES...SET IN 1990. THIS WAS ALSO THE 5TH WETTEST
DAY ON RECORD IN THE MONTH OF OCTOBER.
ON THE 13TH...1.63 INCHES OF RAIN BROKE THE PREVIOUS DAILY RAINFALL
RECORD OF 1.33 INCHES...SET IN 1997.
ON THE 22ND...1.96 INCHES OF RAIN BROKE THE PREVIOUS DAILY RAINFALL
RECORD OF 1.10 INCHES...SET IN 1996.
ON THE 29TH...5.23 INCHES OF RAIN BROKE THE PREVIOUS DAILY RAINFALL
RECORD OF 4.69 INCHES...SET IN 1991. THIS WAS ALSO THE WETTEST DAY
ON RECORD IN THE MONTH OF OCTOBER...AND THE 4TH HIGHEST 24-HOUR
RAINFALL AMOUNT EVER RECORDED AT NORTH LITTLE ROCK. IT WAS ALSO THE
3RD WETTEST DAY ON RECORD AT NORTH LITTLE ROCK...SURPASSED ONLY BY
SEPTEMBER 13TH 1978 /5.24 INCHES/...AND NOVEMBER 18TH 1988 /7.01
INCHES/.
OCTOBER 2009 WAS THE WETTEST MONTH SINCE NOVEMBER 1988...AND THE
WETTEST MONTH ON RECORD AT NORTH LITTLE ROCK...SURPASSING THE OLD
RECORD OF 14.82 INCHES FROM NOVEMBER 1988.
57
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