532
CXUS55 KRIW 031745
CLMP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1045 AM MST MON NOV 03 2025

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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             74   10/02/2010
 LOW             -16   10/26/2020
HIGHEST           64   10/09
LOWEST             4   10/28
AVG. MAXIMUM    46.6               45.5     1.1
AVG. MINIMUM    24.2               21.8     2.4
MEAN            35.4               33.6     1.8
DAYS MAX >= 90     0
DAYS MAX <= 32     2
DAYS MIN <= 32    25
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.78   2016
 MINIMUM        0.36   1998
TOTALS          3.48               1.85    1.63     0.60
DAILY AVG.      0.11               0.06    0.05
DAYS >= .01       14
DAYS >= .10        8
DAYS >= .50        2
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.85   10/11 TO 10/12
 STORM TOTAL    0.84

DEGREE DAYS
HEATING TOTAL    909                972     -63
 SINCE 7/1      1909               2201    -292
COOLING TOTAL      0                  0       0
 SINCE 1/1         1                  0       1
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              2.3
RESULTANT WIND SPEED/DIRECTION   0/320
HIGHEST WIND SPEED/DIRECTION    20/270    DATE  10/19
HIGHEST GUST SPEED/DIRECTION    38/280    DATE  10/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.00
NUMBER OF DAYS FAIR           31
NUMBER OF DAYS PC              0
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                4     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.

$$