Climate Data
Monthly Numbers
Interested in temperature and precipitation numbers in Harrison? Check them out on a monthly basis below.
 
Climate Summary (Apr 2011)
 
...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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