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)


069
CDUS43 KLSX 180734
CLISTL


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


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JULY 17 2019...

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)
 YESTERDAY
  MAXIMUM         95    410 PM 103    2012  89      6       90
  MINIMUM         72    545 PM  57    1976  71      1       73
  AVERAGE         84                        80      4       82

PRECIPITATION (IN)
  YESTERDAY        0.31          1.94 1938   0.14   0.17     0.00
  MONTH TO DATE    1.68                      2.30  -0.62     1.17
  SINCE JUN 1      6.34                      6.58  -0.24     4.26
  SINCE JAN 1     32.71                     22.95   9.76    25.19

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      1                         5     -4        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       19                        15      4       17
  MONTH TO DATE  299                       255     44      314
  SINCE JUN 1    614                       589     25      780
  SINCE JAN 1    826                       763     63     1123
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    39   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    54   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     7.2


SKY COVER
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    94           500 AM
 LOWEST     43           300 PM
 AVERAGE    69

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   89       112      1954
 MINIMUM TEMPERATURE (F)   71        57      1976


SUNRISE AND SUNSET
JULY 18 2019..........SUNRISE   551 AM CDT   SUNSET   824 PM CDT
JULY 19 2019..........SUNRISE   552 AM CDT   SUNSET   823 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.