630
CXUS55 KRIW 031829
CLMP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1229 PM MDT MON AUG 03 2026

...................................

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF JULY 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             88   07/12/2026
 LOW              27   07/12/2008
HIGHEST           88R  07/12
LOWEST            31   07/01
AVG. MAXIMUM    76.9               72.2     4.7
AVG. MINIMUM    42.4               38.7     3.7
MEAN            59.6               55.5     4.1
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     1
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.42   2007
 MINIMUM        0.17   2022
TOTALS          0.85               1.51   -0.66     0.74
DAILY AVG.      0.03               0.05   -0.02
DAYS >= .01        7
DAYS >= .10        2
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.34   07/21 TO 07/21
 STORM TOTAL    0.34

DEGREE DAYS
HEATING TOTAL    116                296    -180
 SINCE 7/1       116                294    -178
COOLING TOTAL      2                  0       2
 SINCE 1/1         2                  0       2
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              1.9
RESULTANT WIND SPEED/DIRECTION   0/090
HIGHEST WIND SPEED/DIRECTION    20/280    DATE  07/03
HIGHEST GUST SPEED/DIRECTION    35/270    DATE  07/03
                                35/290          07/24
                                35/110          07/12

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.00
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              0
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     59

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

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

$$