National Weather Service United States Department of Commerce
Climate Data
Monthly Numbers
Interested in temperature and precipitation numbers in Harrison? Check them out on a monthly basis below.
 
Climate Summary (Jul 2017)
 
...THE HARRISON CLIMATE SUMMARY FOR THE MONTH OF JULY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR'S         
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)      
                                          NORMAL                      
................................................................
TEMPERATURE (F)
RECORD
 HIGH             112   07/18/1936                                    
 LOW               42   07/04/1924                                    
                        07/07/1920                                    
HIGHEST            94   07/25        89       5       97  07/24       
                        07/23                                         
                        07/22                                         
LOWEST             58   07/31        69     -11       64  07/16       
                        07/30                                         
AVG. MAXIMUM     88.8              89.0    -0.2     89.3              
AVG. MINIMUM     68.4              67.7     0.7     70.1              
MEAN             78.6              78.4     0.2     79.7              
DAYS MAX >= 90     14              14.4    -0.4       13              
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        13.75   1905                                          
 MINIMUM         0.33   1923                                          
TOTALS           3.63              3.14    0.49     5.24              
DAILY AVG.       0.12              0.10    0.02     0.17              
DAYS >= .01         8              10.4    -2.4       15              
DAYS >= .10         6                                  8              
DAYS >= .50         2                                  4              
DAYS >= 1.00        1               0.8     0.2        2              
GREATEST
 24 HR. TOTAL    1.94   07/04 TO 07/04                                

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       0                 0       0        0              
 SINCE 7/1          0                 0       0        0              
COOLING TOTAL     431               414      17      462              
 SINCE 1/1        824               818       6      925              

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

WIND (MPH)
AVERAGE WIND SPEED              4.3
HIGHEST WIND SPEED/DIRECTION    25/330    DATE  07/07
HIGHEST GUST SPEED/DIRECTION    33/330    DATE  07/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM                                      
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR           22
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH 
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      3
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 July 2017...

.Summary...
The over all temperature for the month was very slightly above 
average. 

There were no 100-degree days this year, and this marks the fifth 
July in a row with none. The number of 90-degree days amounted to 
15, which was slighly below average. There were two days with 
temperatures at or below 60 degrees, which was the first such 
occurrence in three years.  

For the fifth July in a row, rainfall was above average, though only 
slightly this year. 

.Monthly Temperatures...
The average high temperature was the coolest since 2015. The average 
low and monthly temperatures were the coolest since 2014. 

.Daily Temperatures...
Daily temperatures were above average on 15 days, average on eight 
days, and below average on eight days. 

.Daily Record Temperatures Tied or Broken During the Month...
Date  Record Type               New Record        Previous Record
27th  Warmest Low Temperature   76 in 2017        76 in 2015, 1976

.Monthly Rainfall...
This marked the fifth July in a row with rainfall above average. 
Even so, this was the least amount of rain to fall in five years, 
making it the driest July since 2012. 

.Daily Rainfall Records Tied or Broken...
Date    New Record     Previous Record
 4th   1.94 in 2017      1.92 in 1988