Climatological Report (Monthly)
Issued by NWS

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CXUS55 KRIW 031753
CLMLND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1053 AM MST WED JAN 03 2024

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

...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             65   12/11/1937
                       12/10/1933
 LOW             -40   12/19/1924
HIGHEST           50   12/05
LOWEST                 12/25
AVG. MAXIMUM    34.1               32.9     1.2
AVG. MINIMUM    14.7               10.2     4.5
MEAN            24.4               21.6     2.8
DAYS MAX >= 90     0
DAYS MAX <= 32    14
DAYS MIN <= 32    31
DAYS MIN <= 0      1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.06   1909
 MINIMUM           T   1933
TOTALS          0.71               0.63    0.08     1.32
DAILY AVG.      0.02               0.02   -0.00
DAYS >= .01        3
DAYS >= .10        1
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.68   12/23 TO 12/24
 STORM TOTAL    0.59

SNOWFALL (INCHES)
TOTALS           8.1                9.3    -1.2
SINCE 7/1       32.3               31.9     0.4
SNOWDEPTH AVG.     5
DAYS >= 1.0        2

DEGREE DAYS
HEATING TOTAL   1250               1347     -97
 SINCE 7/1      2858               3177    -319
COOLING TOTAL      0                  0       0
 SINCE 1/1       361                485    -124
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              3.6
RESULTANT WIND SPEED/DIRECTION   1/260
HIGHEST WIND SPEED/DIRECTION    37/310    DATE  12/07
HIGHEST GUST SPEED/DIRECTION    49/310    DATE  12/07

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.15
NUMBER OF DAYS FAIR           25
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                5     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      3
HAZE                      3

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

$$


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