Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
035
CDUS45 KRIW 130045
CLILND

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE MAY 12 2026

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

...THE LANDER WY CLIMATE SUMMARY FOR MAY 12 2026...
VALID TODAY AS OF 0600 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         78   4:55 PM  86    1960  65     13       82
  MINIMUM         47   3:05 AM  19    1953  38      9       52
  AVERAGE         63                        51     12       67

PRECIPITATION (IN)
  TODAY            0.00          0.95 1935   0.10  -0.10     0.00
  MONTH TO DATE    0.35                      1.06  -0.71     1.24
  SINCE MAR 1      2.74                      4.42  -1.68     6.84
  SINCE JAN 1      3.15                      5.63  -2.48     7.92

SNOWFALL (IN)
  TODAY           MM                         0.1   MM        0.0
  MONTH TO DATE    3.7                       3.0    0.7      3.4
  SINCE MAR 1     21.1                      33.8  -12.7     48.7
  SINCE JUL 1     29.3                      86.0  -56.7     79.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  TODAY            2                        14    -12        0
  MONTH TO DATE  138                       190    -52      130
  SINCE MAR 1   1260                      1741   -481     1589
  SINCE JUL 1   5343                      7392  -2049     6618

 COOLING
  TODAY            0                         0      0        2
  MONTH TO DATE    0                         0      0        4
  SINCE MAR 1      1                         0      1        4
  SINCE JAN 1      1                         0      1        4
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     6.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    54
 LOWEST     22
 AVERAGE    38

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


THE LANDER WY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   65        86      1988
                                             2001
                                             2013
 MINIMUM TEMPERATURE (F)   39        25      1933


SUNRISE AND SUNSET
MAY 12 2026...........SUNRISE   5:55 AM MDT   SUNSET   8:28 PM MDT
MAY 13 2026...........SUNRISE   5:54 AM MDT   SUNSET   8:29 PM MDT


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




$$