Climatological Report (Daily)
Issued by NWS St Louis, MO

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
775
CDUS43 KLSX 212229
CLICOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
529 PM CDT MON JUL 21 2025

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR JULY 21 2025...
VALID AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         85    102 PM 108    1934  89     -4       79
  MINIMUM         68    530 AM  50    1944  69     -1       62
  AVERAGE         77                        79     -2       71

PRECIPITATION (IN)
  TODAY            1.28          2.79 1990   0.13   1.15     0.00
  MONTH TO DATE    4.17                      2.97   1.20    10.89
  SINCE JUN 1     12.08                      7.20   4.88    15.40
  SINCE JAN 1     25.34                     24.06   1.28    31.34

SNOWFALL (IN)
  TODAY            0.0           0.0  2015   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      0                         6     -6        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY           12                        14     -2        6
  MONTH TO DATE  280                       284     -4      219
  SINCE JUN 1    566                       578    -12      591
  SINCE JAN 1    657                       724    -67      779
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    37   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    51   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    10.4


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     70           100 PM
 AVERAGE    85

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89       110      1901
 MINIMUM TEMPERATURE (F)   69        55      1970


SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE   601 AM CDT   SUNSET   829 PM CDT
JULY 22 2025..........SUNRISE   602 AM CDT   SUNSET   828 PM CDT


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




$$