Climate Data
Monthly Numbers
Interested in temperature and precipitation numbers in Harrison? Check them out on a monthly basis below.
 
Climate Summary (Sep 2013)
 
...THE HARRISON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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             106   09/03/1939                                    
                        09/05/1913                                    
                        09/04/1913                                    
 LOW               30   09/29/1967                                    
HIGHEST            95   09/08        80      15       99  09/04       
                                                          09/03       
LOWEST             46   09/22        59     -13       45  09/23       
AVG. MAXIMUM     84.4              80.6     3.8     81.8              
AVG. MINIMUM     59.5              57.8     1.7     59.9              
MEAN             72.0              69.2     2.8     70.8              
DAYS MAX >= 90      7               3.2     3.8        7              
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        11.80   1930                                          
 MINIMUM         0.08   1928                                          
TOTALS           1.35              4.20   -2.85     2.30              
DAILY AVG.       0.05              0.14   -0.09     0.08              
DAYS >= .01         7              10.5    -3.5        9              
DAYS >= .10         3                                  6              
DAYS >= .50         1                                  3              
DAYS >= 1.00        0               1.4    -1.4        0              
GREATEST
 24 HR. TOTAL    0.74   09/20 TO 09/20                                

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

DEGREE_DAYS
HEATING TOTAL       7                42     -35       23              
 SINCE 7/1          8                43     -35       23              
COOLING TOTAL     223               168      55      203              
 SINCE 1/1       1367              1379     -12     1922              

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

WIND (MPH)
AVERAGE WIND SPEED              4.1
HIGHEST WIND SPEED/DIRECTION    22/010    DATE  09/10
HIGHEST GUST SPEED/DIRECTION    32/090    DATE  09/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM                                      
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           25
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH 
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      2
HAZE                      6                                           
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.         

&&

...DATA FOR HARRISON FOR SEPTEMBER 2013...

.SUMMARY...
REVERSING THE TREND OF THE LAST FEW MONTHS...SEPTEMBER IN HARRISON 
TURNED OUT TO BE THE WARMEST IN EIGHT YEARS IN TERMS OF AVERAGE 
TEMPERATURE. THOUGH THERE WERE BRIEF COOL SPELLS DURING THE 
MONTH...DAILY TEMPERATURES LARGELY REMAINED AT OR ABOVE NORMAL 
THROUGHOUT. 

RAINFALL WAS SCARCE THROUGH THE MONTH...WITH BARELY OVER AN INCH AND 
A QUARTER RECORDED. 

.MONTHLY TEMPERATURES...
THE AVERAGE HIGH AND MONTHLY TEMPERATURES WERE THE WARMEST SINCE 
2005.

THE AVERAGE LOW WAS THE COOLEST SINCE 2011. 

.DAILY AVERAGE TEMPERATURES...
BELOW NORMAL ON SIX DAYS...AT NORMAL ON ONE DAY...AND ABOVE NORMAL 
ON 23 DAYS. 

.NUMBER OF DAYS WITH TEMPERATURES...
AT OR ABOVE  90...7...SAME AS 2012
AT OR BELOW  70...30...MOST SINCE 2009
AT OR BELOW  60...17...MOST SINCE 2011

.DAILY TEMPERATURE RECORDS TIED OR BROKEN DURING THE MONTH...
NO DAILY TEMPERATURE RECORDS WERE TIED OR BROKEN DURING THE MONTH. 

.RAINFALL...
IT WAS THE DRIEST SEPTEMBER SINCE 2004.

.DAILY RAINFALL RECORDS TIED OR BROKEN DURING THE MONTH...
NONE.

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