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Climate Data
Monthly Numbers
Interested in temperature and precipitation numbers in Harrison? Check them out on a monthly basis below.
Climate Summary (Aug 2008)
...THE HARRISON CLIMATE SUMMARY FOR AUGUST 2008...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1891 TO 2008

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             112   08/09/1934
 LOW               41   08/31/1915
HIGHEST            96   08/03        88       8      102  08/15
LOWEST             57   08/18        67     -10       62  08/31
AVG. MAXIMUM     83.9              88.1    -4.2     94.5
AVG. MINIMUM     65.4              67.0    -1.6     70.9
MEAN             74.6              77.6    -3.0     82.7
DAYS MAX >= 90      7              13.9    -6.9       28
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               0.0     0.0        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        14.56   1915
 MINIMUM            T   2007
TOTALS           6.48              3.41    3.07        T
DAILY AVG.       0.21              0.11    0.10        T
DAYS >= .01        11               7.7     3.3        0
DAYS >= .10         7                                  0
DAYS >= .50         5                                  0
DAYS >= 1.00        3               1.0     2.0        0
GREATEST
 24 HR. TOTAL    2.39   08/09 TO 08/10

SNOWFALL (INCHES)
TOTALS            0.0
 LIQUID EQUIV    0.00
SINCE 7/1         0.0
 LIQUID 7/1      0.00
SNOWDEPTH AVG.      0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0                                  0
GREATEST
 SNOW DEPTH         0
 24 HR TOTAL      0.0

DEGREE_DAYS
HEATING TOTAL       0                 4      -4        0
 SINCE 7/1          0                 4      -4        0
COOLING TOTAL     305               393     -88      555
 SINCE 1/1       1089              1238    -149     1386

FREEZE DATES
RECORD
 EARLIEST     09/13/1902
 LATEST       05/17/1912
EARLIEST                        10/29
LATEST                          04/04
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.6
HIGHEST WIND SPEED/DIRECTION    20/340    DATE  08/07
HIGHEST GUST SPEED/DIRECTION    29/010    DATE  08/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR           20
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       6
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      29     FOG W/VIS <= 1/4 MILE      8
HAZE                     14

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

...SUPPLEMENTAL DATA FOR HARRISON FOR AUGUST 2008...

THE AVERAGE TEMPERATURE FOR THE MONTH WAS 74.6 DEGREES...WHICH WAS
3.0 DEGREES BELOW NORMAL. IT WAS THE COOLEST AUGUST SINCE 2004.

THE AVERAGE HIGH TEMPERATURE WAS 83.9...AND THE AVERAGE LOW WAS 65.4
DEGREES. IN TERMS OF AVERAGE HIGH TEMPERATURE...IT WAS THE SEVENTH
COOLEST AUGUST ON RECORD.

THERE WERE SEVEN DAYS WITH TEMPERATURES OF 90 DEGREES OR GREATER. IT
WAS THE FIRST AUGUST SINCE 2005 WITH NO TEMPERATURES AT OR ABOVE 100
DEGREES. THERE WERE NO LOW TEMPERATURES HIGHER THAN 75 DEGREES...AND
ONLY ONE DAY WITH A LOW OF 75 DEGREES. THERE WERE THREE DAYS WITH A
LOW TEMPERATURE LESS THAN 60 DEGREES.

TEMPERATURES AVERAGED ABOVE NORMAL ON 11 DAYS...BELOW NORMAL ON 18
DAYS...AND AT NORMAL ON TWO DAYS.

THE SMALLEST RANGE BETWEEN THE DAILY HIGH AND LOW TEMPERATURE WAS 4
DEGREES...WHICH OCCURRED ON THE 20TH /HIGH OF 70...LOW OF 66/. THE
LARGEST RANGE BETWEEN THE HIGH AND LOW TEMPERATURE WAS 27 DEGREES...
WHICH OCCURRED ON THE 26TH /HIGH OF 85...LOW OF 58/.

THERE WERE TWO DAILY TEMPERATURE RECORDS BROKEN DURING THE MONTH.

ON AUGUST 10TH...THE HIGH TEMPERATURE WAS 70 DEGREES. THIS SET A NEW
RECORD LOWEST HIGH TEMPERATURE FOR THE DATE. THE PREVIOUS RECORD WAS
76...WHICH WAS SET IN 1915.

ON AUGUST 20TH...THE HIGH TEMPERATURE WAS 70 DEGREES. THIS SET A NEW
RECORD LOWEST HIGH TEMPERATURE FOR THE DATE. THE PREVIOUS RECORD WAS
74...WHICH WAS SET IN 1907.

6.48 INCHES OF RAIN FELL DURING THE MONTH. THIS WAS 3.07 INCHES
ABOVE NORMAL...AND WAS THE 9TH WETTEST AUGUST ON RECORD AT HARRISON.
IT WAS THE WETTEST AUGUST SINCE 1982. THERE WERE 11 DAYS WITH
MEASURABLE RAINFALL. RAINFALL OF ONE INCH OR GREATER OCCURRED ON
THREE DAYS...WHILE RAINFALL OF TWO INCHES OR GREATER OCCURRED ON ONE
DAY.

THERE WERE TWO DAILY RAINFALL RECORDS BROKEN DURING THE MONTH.

ON AUGUST 7TH...1.43 INCHES OF RAIN FELL. THIS SET A NEW RECORD FOR
THE DATE. THE PREVIOUS RECORD WAS 1.33 INCHES...WHICH FELL IN 1908.

ON AUGUST 10TH...2.17 INCHES OF RAIN FELL. THIS SET A NEW RECORD FOR
THE DATE. THE PREVIOUS RECORD WAS 2.06 INCHES...WHICH FELL IN 1940.
            
 
 

 

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Page last modified: 05 September, 2008
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