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

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174
CDUS43 KLSX 210735
CLISTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
235 AM CDT TUE MAY 21 2024

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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 20 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         87   1110 AM  93    1902  78      9       73
  MINIMUM         73    520 AM  41    1894  59     14       53
                                      1981
  AVERAGE         80                        69     11       63

PRECIPITATION (IN)
  YESTERDAY        0.00          1.66 1947   0.15  -0.15     0.00
  MONTH TO DATE    3.38                      3.19   0.19     1.61
  SINCE MAR 1     13.70                     11.42   2.28     9.21
  SINCE JAN 1     18.13                     16.24   1.89    13.57

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 MAR 1      T                         2.5   -2.5       T
  SINCE JUL 1      9.3                      16.6   -7.3      5.4
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        2
  MONTH TO DATE    2                        59    -57       30
  SINCE MAR 1    545                       897   -352      841
  SINCE JUL 1   3351                      4416  -1065     3922

 COOLING
  YESTERDAY       15                         6      9        0
  MONTH TO DATE  132                        76     56      110
  SINCE MAR 1    220                       120    100      146
  SINCE JAN 1    220                       121     99      146
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     9.6


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69           600 AM
 LOWEST     48          1000 AM
 AVERAGE    59

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        93      1941
 MINIMUM TEMPERATURE (F)   60        38      1883


SUNRISE AND SUNSET
MAY 21 2024...........SUNRISE   544 AM CDT   SUNSET   813 PM CDT
MAY 22 2024...........SUNRISE   544 AM CDT   SUNSET   813 PM CDT


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




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