Climatological Report (Daily)
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428
CDUS45 KRIW 040727
CLIP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SAT OCT 04 2025

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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 3 2025...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         60  12:28 PM  71    2010  52      8       60
  MINIMUM         34   7:05 AM  16    2019  26      8       24
  AVERAGE         47                        39      8       42

PRECIPITATION (IN)
  YESTERDAY        0.00          0.71 2013   0.05  -0.05     0.00
  MONTH TO DATE    0.03                      0.16  -0.13     0.00
  SINCE SEP 1      1.49                      1.73  -0.24     1.43
  SINCE JAN 1     13.20                     16.99  -3.79    16.62

DEGREE DAYS
 HEATING
  YESTERDAY       18                        26     -8       23
  MONTH TO DATE   55                        77    -22       65
  SINCE SEP 1    539                       665   -126      544
  SINCE JUL 1   1055                      1307   -252     1121

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


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     1.2


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           7:00 AM
 LOWEST     44           1:00 PM
 AVERAGE    70

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   51        69      2024
 MINIMUM TEMPERATURE (F)   26        12      2013


SUNRISE AND SUNSET
OCTOBER  4 2025.......SUNRISE   7:24 AM MDT   SUNSET   6:56 PM MDT
OCTOBER  5 2025.......SUNRISE   7:25 AM MDT   SUNSET   6:54 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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