National Weather Service - Climate Data

These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified climate data can be accessed at the NCDC - http://www.ncdc.noaa.gov.

Climatological Report (Daily)


967
CDUS43 KLSX 180734
CLICOU


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
234 AM CDT THU JUL 18 2019


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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR JULY 17 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         94    214 PM 108    1954  88      6       90
  MINIMUM         70    452 AM  53    1976  67      3       71
  AVERAGE         82                        78      4       81

PRECIPITATION (IN)
  YESTERDAY        T             2.37 1938   0.15  -0.15     0.00
  MONTH TO DATE    0.96                      2.56  -1.60     0.35
  SINCE JUN 1      6.71                      7.03  -0.32     3.47
  SINCE JAN 1     24.84                     23.58   1.26    15.36

SNOWFALL (IN)
  YESTERDAY        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
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      2                        11     -9        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       17                        13      4       16
  MONTH TO DATE  249                       207     42      299
  SINCE JUN 1    516                       455     61      731
  SINCE JAN 1    680                       558    122     1026
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    35   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     8.6


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93
 LOWEST     60
 AVERAGE    77

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       111      1954
 MINIMUM TEMPERATURE (F)   67        52      1911


SUNRISE AND SUNSET
JULY 18 2019..........SUNRISE   558 AM CDT   SUNSET   832 PM CDT
JULY 19 2019..........SUNRISE   559 AM CDT   SUNSET   831 PM CDT


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





The U.S. Naval Observatory (USNO) computes astronomical data. Therefore, the NWS does not record, certify, or authenticate astronomical data. Computed times of sunrise, sunset, moonrise, moonset; and twilight, moon phases and other astronomical data are available from USNO's Astronomical Applications Department (http://www.usno.navy.mil). See http://www.usno.navy.mil/USNO/astronomical-applications/astronomical-information-center/litigation for information on using these data for legal purposes.