Climatological Report (Daily)
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636
CDUS45 KRIW 020731
CLIP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT FRI OCT 02 2026

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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 1 2026...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         64   3:20 PM  72    2011  53     11       54
  MINIMUM         30   6:43 AM  22    2002  27      3       33
                                      2021
                                      2024
  AVERAGE         47                        40      7       44

PRECIPITATION (IN)
  YESTERDAY        0.00          0.80 2000   0.05  -0.05     0.03
  MONTH TO DATE    0.00                      0.05  -0.05     0.03
  SINCE SEP 1      1.71                      1.62   0.09     1.49
  SINCE JAN 1     15.63                     16.88  -1.25    13.20

DEGREE DAYS
 HEATING
  YESTERDAY       18                        25     -7       21
  MONTH TO DATE   18                        25     -7       21
  SINCE SEP 1    525                       613    -88      505
  SINCE JUL 1    893                      1255   -362     1021

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1      0                         0      0        0
  SINCE JAN 1      2                         0      2        1
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     2.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           5:00 AM
 LOWEST     29           3:00 PM
 AVERAGE    63

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   52        74      2010
 MINIMUM TEMPERATURE (F)   26        16      2009


SUNRISE AND SUNSET
OCTOBER  2 2026.......SUNRISE   7:21 AM MDT   SUNSET   7:00 PM MDT
OCTOBER  3 2026.......SUNRISE   7:22 AM MDT   SUNSET   6:58 PM MDT


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




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