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)


537
CDUS43 KLSX 212240
CLICOU


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
440 PM CST MON JAN 21 2019


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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR JANUARY 21 2019...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         26    359 PM  73    1957  39    -13       71
  MINIMUM         13    806 AM -11    1970  21     -8       45
  AVERAGE         20                        30    -10       58

PRECIPITATION (IN)
  TODAY            0.00          1.13 1958   0.06  -0.06     1.07
  MONTH TO DATE    2.80                      1.30   1.50     1.98
  SINCE DEC 1      7.10                      3.74   3.36     2.21
  SINCE JAN 1      2.80                      1.30   1.50     1.98

SNOWFALL (IN)
  TODAY            0.0           8.4  1958   0.2   -0.2      0.0
  MONTH TO DATE   16.9                       4.1   12.8      1.5
  SINCE DEC 1     17.3                       8.5    8.8      2.7
  SINCE JUL 1     21.9                       9.4   12.5      2.7
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  TODAY           45                        35     10        7
  MONTH TO DATE  659                       748    -89      845
  SINCE DEC 1   1512                      1758   -246     1809
  SINCE JUL 1   2661                      2743    -82     2589

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED    13.6


SKY COVER
  AVERAGE SKY COVER 0.4



RELATIVE HUMIDITY (PERCENT)
 HIGHEST    88           900 AM
 LOWEST     68           400 PM
 AVERAGE    78

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


THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   39        75      1967
 MINIMUM TEMPERATURE (F)   21       -16      1930


SUNRISE AND SUNSET
JANUARY 21 2019.......SUNRISE   723 AM CST   SUNSET   518 PM CST
JANUARY 22 2019.......SUNRISE   722 AM CST   SUNSET   519 PM CST


-  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.