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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 (Dec 2015)
 
...THE HARRISON CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              82   12/24/1955
 LOW              -11   12/23/1989
HIGHEST            74   12/10        47      27       66  12/14
LOWEST             25   12/30        29      -4       20  12/29
AVG. MAXIMUM     57.2              47.7     9.5     46.3
AVG. MINIMUM     36.2              28.4     7.8     33.1
MEAN             46.7              38.1     8.6     39.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               2.6    -2.6        1
DAYS MIN <= 32     14              19.7    -5.7       14
DAYS MIN <= 0       0               0.3    -0.3        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        11.64   1982
 MINIMUM         0.22   1919
TOTALS           8.44              3.20    5.24     2.25
DAILY AVG.       0.27              0.10    0.17     0.07
DAYS >= .01         9               7.9     1.1       13
DAYS >= .10         7                                  6
DAYS >= .50         4                                  2
DAYS >= 1.00        3               0.5     2.5        0
GREATEST
 24 HR. TOTAL    4.63   12/26 TO 12/27

SNOWFALL (INCHES)
RECORDS
 TOTAL           13.2   1917
 24 HR TOTAL     12.9   12/22/1966 TO 12/23/1966
 SNOW DEPTH        13   12/08/1917
TOTALS              T               1.3    -1.3        T
 LIQUID EQUIV       T              0.10   -0.10        T
SINCE 7/1           T               1.8    -1.8      0.6
 LIQUID 7/1        MM              0.10      MM     0.06
SNOWDEPTH AVG.      0
DAYS >= TRACE       1               4.0    -3.0        3
DAYS >= 1.0         0                                  0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL        T   12/17 TO 12/17

DEGREE_DAYS
HEATING TOTAL     561               835    -274      779
 SINCE 7/1       1147              1599    -452     1633
COOLING TOTAL       2                 0       2        0
 SINCE 1/1       1466              1416      50     1354

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

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    31/170    DATE  12/13
HIGHEST GUST SPEED/DIRECTION    40/170    DATE  12/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       7
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      4
HAZE                      0

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

&&

...DATA FOR HARRISON FOR DECEMBER 2015...

.SUMMARY...
WARM WEATHER CONTINUED THROUGH MUCH OF DECEMBER...WITH THE HIGHEST
TEMPERATURE DEPARTURES FROM NORMAL IN THE SECOND AND PART OF THE
FOURTH WEEKS OF THE MONTH.

ALL RAIN THAT FELL DURING THE MONTH FELL AFTER THE 11TH...WITH
THE MONTHLY TOTAL NEAR A RECORD.

LITTLE SNOW FELL.

.MONTHLY TEMPERATURES...
THE AVERAGE HIGH TEMPERATURE WAS THE WARMEST SINCE 1957. THE AVERAGE LOW
AND MONTHLY TEMPERATURES WERE THE WARMEST SINCE 1984. ALL WERE THE 2ND
WARMEST ON RECORD.

.DAILY TEMPERATURES...
ABOVE AVERAGE ON 24 DAYS...AVERAGE ON TWO DAYS...AND BELOW AVERAGE ON FIVE
DAYS.

.TEMPERATURE RECORDS TIED OR BROKEN DURING THE MONTH...

DATE  RECORD TYPE             NEW RECORD          PREVIOUS RECORD
10TH  HIGH TEMPERATURE        74 IN 2015             73 IN 1933
12TH  WARMEST LOW TEMPERATURE 64 IN 2015             58 IN 1984
21ST  HIGH TEMPERATURE        69 IN 2015             68 IN 1957...1949

.MONTHLY RAINFALL...
IT WAS THE WETTEST DECEMBER SINCE 1982...AND THE 2ND WETTEST ON RECORD.

.DAILY RAINFALL RECORDS TIED OR BROKEN DURING THE MONTH...

DATE   NEW RECORD          PREVIOUS RECORD
27TH  4.38 IN 2015          2.97 IN 2008

THE 4.38 INCHES THAT FELL ON THE 27TH WAS THE 3RD HIGHEST CALENDAR DAY
RAINFALL ON RECORD IN THE MONTH OF DECEMBER.

.MONTHLY SNOWFALL...
A TRACE OF SNOW FELL ON THE 17TH.

.DAILY SNOWFALL RECORDS TIED OR BROKEN...
NONE.