Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 010803
CLMP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
203 AM MDT WED NOV 01 2023

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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023

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           63   10/09
                       10/20
LOWEST            -3   10/29
AVG. MAXIMUM    47.6               45.5     2.1
AVG. MINIMUM    23.8               21.8     2.0
MEAN            35.7               33.6     2.1
DAYS MAX >= 90     0
DAYS MAX <= 32     5
DAYS MIN <= 32    30
DAYS MIN <= 0      2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.78   2016
 MINIMUM        0.36   1998
TOTALS          2.62               1.85    0.77     1.83
DAILY AVG.      0.08               0.06    0.02
DAYS >= .01       13
DAYS >= .10        8
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.99   10/25 TO 10/26
 STORM TOTAL    0.90

SNOWFALL (INCHES)
TOTALS            MM                 MM      MM
SINCE 7/1         MM                 MM      MM
SNOWDEPTH AVG.    MM
DAYS >= 1.0       MM

DEGREE DAYS
HEATING TOTAL    900                972     -72
 SINCE 7/1      1929               2201    -272
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              2.1
RESULTANT WIND SPEED/DIRECTION   0/050
HIGHEST WIND SPEED/DIRECTION    17/270    DATE  10/17
HIGHEST GUST SPEED/DIRECTION    30/260    DATE  10/17

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)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                3     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     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.

$$


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