Climate Data
Monthly Numbers
Interested in temperature and precipitation numbers in Harrison? Check them out on a monthly basis below.
 
Climate Summary (Apr 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

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