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000
CXUS55 KRIW 011614
CLMLND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1014 AM MDT WED NOV 01 2023

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LANDER FOR THE MONTH OF
OCTOBER 2023...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF OCTOBER 2023 WILL BE
AVAILABLE IN APPROXIMATELY 60 DAYS FROM THE NATIONAL CENTERS FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-
WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE
INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW

...LANDER WAS WARMER AND WETTER THAN NORMAL IN OCTOBER....

THE AVERAGE TEMPERATURE FOR LANDER IN OCTOBER WAS 47.4 DEGREES WHICH
WAS 2 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS 77
DEGREES ON THE 19TH AND 20TH. THE 17TH HIT 76 DEGREES AND TIED THE
1926 AND 1974 RECORD. THE 19TH HIGH OF 77 TIED THE 1947 RECORD. THE
COLDEST TEMPERATURE WAS 15 DEGREES ON THE 30TH.

PRECIPITATION FOR THE MONTH WAS 1.30 INCHES...WHICH IS 141 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS THE 11-12TH WHEN 1.50
INCHES OF PRECIPITATION FELL. NO PRECIPITATION RECORDS WERE BROKEN.

SNOWFALL FOR THE MONTH WAS 1.3 INCHES WHICH IS 12 PERCENT OF NORMAL
THE SNOWIEST 24-HOUR PERIOD WAS ON THE 26TH WHEN 1.3 INCHES FELL. NO
SNOWFALL RECORDS WERE BROKEN. THE HIGHEST WIND GUST OCCURRED ON THE
1ST WITH 67 MPH FROM THE SOUTH.

...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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             86   10/03/2010
 LOW             -14   10/29/1917
HIGHEST           77   10/19
                       10/20
LOWEST            14   10/30
AVG. MAXIMUM    59.8               58.9     0.9
AVG. MINIMUM    35.0               32.0     3.0
MEAN            47.4               45.4     2.0
DAYS MAX >= 90     0
DAYS MAX <= 32     3
DAYS MIN <= 32     8
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.90   1994
 MINIMUM        0.00   1988
TOTALS          1.97               1.40    0.57     0.31
DAILY AVG.      0.06               0.05    0.02
DAYS >= .01        5
DAYS >= .10        4
DAYS >= .50        2
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   1.50   10/11 TO 10/12
 STORM TOTAL    0.87

SNOWFALL (INCHES)
TOTALS           1.3               10.5    -9.2
SINCE 7/1        1.3               12.0   -10.7
SNOWDEPTH AVG.     0
DAYS >= 1.0        1

DEGREE DAYS
HEATING TOTAL    541                607     -66
 SINCE 7/1       683                842    -159
COOLING TOTAL      0                  1      -1
 SINCE 1/1       361                485    -124
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.3
RESULTANT WIND SPEED/DIRECTION   1/240
HIGHEST WIND SPEED/DIRECTION    43/190    DATE  10/01
HIGHEST GUST SPEED/DIRECTION    67/170    DATE  10/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.28
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     58

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                2     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

LOOKING AHEAD TO NOVEMBER 2023...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 52 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 26 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 37
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 14. THE AVERAGE MONTHLY
PRECIPITATION IS 0.78 INCHES. THE AVERAGE SNOWFALL IS 10.6 INCHES.

$$