Climatological Report (Daily)
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162
CDUS45 KRIW 070729
CLIP60

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON SEP 07 2026

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

...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 6 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         72   3:45 PM  82    2022  65      7       70
  MINIMUM         35   6:13 AM  22    2010  32      3       30
  AVERAGE         54                        49      5       50

PRECIPITATION (IN)
  YESTERDAY        0.02          0.93 2002   0.05  -0.03     0.00
  MONTH TO DATE    0.22                      0.29  -0.07     0.00
  SINCE SEP 1      0.22                      0.29  -0.07     0.00
  SINCE JAN 1     14.14                     15.55  -1.41    11.71

DEGREE DAYS
 HEATING
  YESTERDAY       11                        16     -5       15
  MONTH TO DATE   76                        94    -18       67
  SINCE SEP 1     76                        94    -18       67
  SINCE JUL 1    444                       736   -292      583

 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    12   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     3.1


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    92           5:00 AM
 LOWEST     16           2:00 PM
 AVERAGE    54

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


THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        83      2022
 MINIMUM TEMPERATURE (F)   32        23      2010


SUNRISE AND SUNSET
SEPTEMBER  7 2026.....SUNRISE   6:51 AM MDT   SUNSET   7:47 PM MDT
SEPTEMBER  8 2026.....SUNRISE   6:53 AM MDT   SUNSET   7:45 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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