...THE HARRISON CLIMATE SUMMARY FOR THE MONTH OF APRIL 2011...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1891 TO 2011
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 89 04/08 69 20 83 04/01
LOWEST 35 04/05 48 -13 38 04/18
04/01
AVG. MAXIMUM 72.5 68.5 4.0 73.2
AVG. MINIMUM 49.6 47.5 2.1 50.4
MEAN 61.0 58.0 3.0 61.8
DAYS MAX >= 90 0 0.1 -0.1 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 1.8 -1.8 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 14.14 1945
MINIMUM 0.53 1989
TOTALS 14.73R 4.09 10.64 3.08
DAILY AVG. 0.49 0.14 0.35 0.10
DAYS >= .01 13 10.1 2.9 10
DAYS >= .10 10 3
DAYS >= .50 8 3
DAYS >= 1.00 5 1.2 3.8 1
GREATEST
24 HR. TOTAL 5.27 04/24 TO 04/25
STORM TOTAL MM
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 9.0 1971
24 HR TOTAL 5.8 04/04/1993 TO 04/04/1993
TOTALS 0.0 0.7 -0.7 0.0
LIQUID EQUIV 0.00
SINCE 7/1 19.4
LIQUID 7/1 1.94
SNOWDEPTH AVG. 0
DAYS >= TRACE 0 0.1 -0.1 0
DAYS >= 1.0 0 0
GREATEST
SNOW DEPTH 0
24 HR TOTAL 0.0 MM
DEGREE_DAYS
HEATING TOTAL 160 233 -73 141
SINCE 7/1 3754 3975 -221 4104
COOLING TOTAL 50 23 27 49
SINCE 1/1 59 24 35 56
FREEZE DATES
RECORD
EARLIEST 09/13/1902
LATEST 05/17/1912
EARLIEST 10/29
LATEST 04/04
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 9.6
HIGHEST WIND SPEED/DIRECTION 33/180 DATE 04/03
HIGHEST GUST SPEED/DIRECTION 52/180 DATE 04/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 15
NUMBER OF DAYS PC 9
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 65
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 10 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 17 FOG W/VIS <= 1/4 MILE 6
HAZE 9
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
...ADDITIONAL DATA FOR HARRISON FOR APRIL 2011...
THE AVERAGE HIGH...LOW...AND MONTHLY TEMPERATURE WERE THE COOLEST SINCE
2009.
THERE WERE 18 DAYS WITH ABOVE NORMAL DAILY AVERAGE TEMPERATURES...ONE DAY
AT NORMAL...AND 11 DAYS BELOW NORMAL.
THE FOLLOWING DAILY TEMPERATURE RECORDS WERE TIED OR BROKEN DURING
THE MONTH...
DATE RECORD TYPE NEW RECORD OLD RECORD
8TH HIGH TEMPERATURE 89 IN 2011 87 IN 1928
10TH HIGHEST LOW TEMPERATURE 68 IN 2011 66 IN 2001
THE LOW OF 68 DEGREES ON THE 10TH WAS THE WARMEST APRIL LOW TEMPERATURE
SINCE 69 DEGREES ON APRIL 8TH 1999...AND THE 4TH WARMEST ON RECORD.
IT WAS THE WETTEST APRIL SINCE 1945...AND THE WETTEST ON RECORD.
THE FOLLOWING DAILY RAINFALL RECORDS WERE BROKEN DURING THE MONTH...
DATE RECORD TYPE NEW RECORD OLD RECORD
23RD DAILY RAINFALL 3.42 INCHES IN 2011 2.15 INCHES IN 1930
25TH DAILY RAINFALL 4.04 INCHES IN 2011 2.28 INCHES IN 1912
ON THE 25TH...THE 4.04 INCHES OF RAIN MADE THAT DAY THE WETTEST APRIL DAY
AT HARRISON SINCE 4.45 INCHES FELL ON APRIL 22ND 1996. IT WAS ALSO THE 4TH
WETTEST DAY ON RECORD IN THE MONTH OF APRIL AT HARRISON.
ON THE 23RD...THE 3.42 INCHES OF RAIN THAT FELL MADE THAT DAY THE 7TH
WETTEST ON RECORD IN THE MONTH OF APRIL.
NO SNOW FELL DURING THE MONTH.
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