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)


535
CDUS43 KLSX 212240
CLISTL


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


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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         23    359 PM  75    1986  40    -17       69
  MINIMUM          7    140 AM  -8    1970  24    -17       36
  AVERAGE         15                        32    -17       53

PRECIPITATION (IN)
  TODAY            0.00          2.10 1906   0.07  -0.07      T
  MONTH TO DATE    1.74                      1.66   0.08     0.46
  SINCE DEC 1      5.72                      4.50   1.22     1.30
  SINCE JAN 1      1.74                      1.66   0.08     0.46

SNOWFALL (IN)
  TODAY            0.0           2.5  1959   0.2   -0.2      0.0
  MONTH TO DATE   12.1                       3.8    8.3      1.2
  SINCE DEC 1     13.8                       8.2    5.6      4.7
  SINCE JUL 1     19.0                       8.9   10.1      4.7
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  TODAY           50                        33     17       12
  MONTH TO DATE  642                       701    -59      848
  SINCE DEC 1   1440                      1640   -200     1776
  SINCE JUL 1   2502                      2466     36     2478

 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    24   HIGHEST WIND DIRECTION    SE (130)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED    12.6


SKY COVER
  AVERAGE SKY COVER 0.8



RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           800 AM
 LOWEST     65           200 PM
 AVERAGE    71

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        72      1967
 MINIMUM TEMPERATURE (F)   24       -14      1930


SUNRISE AND SUNSET
JANUARY 21 2019.......SUNRISE   716 AM CST   SUNSET   510 PM CST
JANUARY 22 2019.......SUNRISE   715 AM CST   SUNSET   512 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.