CXUS53 KLSX 021728 CCA CLASTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 1004 AM CST MON JAN 01 2024 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR THE YEAR OF 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2023 WEATHER OBSERVED NORMAL DEPART VALUE DATE(S) VALUE FROM NORMAL ................................................ TEMPERATURE (F) RECORD HIGH 115 07/14/1954 LOW -22 01/05/1884 HIGHEST 104 08/25 LOWEST 11 01/31 AVG. MAXIMUM 70.3 66.8 3.5 AVG. MINIMUM 50.5 48.0 2.5 MEAN 60.4 57.4 3.0 DAYS MAX >= 90 54 DAYS MAX <= 32 4 DAYS MAX >= 100 6 DAYS MIN <= 32 55 DAYS MIN <= 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 61.24 2015 MINIMUM 20.69 1953 TOTALS 33.14 41.70 -8.56 DAYS >= .01 106 DAYS >= .10 58 DAYS >= .50 21 DAYS >= 1.00 7 GREATEST 24 HR. TOTAL 1.99 09/26 TO 09/27 03/23 TO 03/24 SNOWFALL (INCHES) RECORDS TOTAL 63.3 1912 24 HR TOTAL 20.0 03/30/1890 TO 03/31/1890 TOTALS 3.0 16.6 -13.6 SINCE 7/1 0.5 4.1 -3.6 DAYS >= TRACE 16 DAYS >= 1.0 1 GREATEST SNOW DEPTH 2 01/25 24 HR TOTAL 2.1 01/25 DEGREE DAYS HEATING TOTAL 3493 4433 -940 SINCE 7/1 1263 1705 -442 COOLING TOTAL 1942 1713 229 ................................................ WIND (MPH) HIGHEST WIND SPEED/DIRECTION 52/290 DATE 07/29 HIGHEST GUST SPEED/DIRECTION 79/290 DATE 07/29 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 53 HAIL 2 FOG W/VIS <= 1/4 MILE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. ...ANNUAL... TIED 2ND WARMEST CALENDAR YEAR ON RECORD (60.4 DEGREES). MOST DAYS WITH A HIGH TEMPERATURE OF AT LEAST 80 DEGREES (151 DAYS). PREVIOUS RECORD WAS 150 DAYS IN 2007. TIED LEAST DAYS WITH A HIGH TEMPERATURE LESS THAN OR EQUAL TO 32 DEGREES (4 DAYS). LEAST DAYS WITH A LOW TEMPERATURE LESS THAN OR EQUAL TO 32 DEGREES (55 DAYS). TIED LEAST DAYS WITH A LOW TEMPERATURE LESS THAN 10 DEGREES (0 DAYS). 3RD LEAST SNOWIEST YEAR (3.0 INCHES). TIED 4TH LEAST NUMBER OF DAYS WITH MEASURABLE SNOWFALL (5 DAYS). ...SEASONAL... TIED 10TH WARMEST METEOROLOGICAL FALL ON RECORD (61.7 DEGREES). MOST CONSECUTIVE DAYS WITH A HEAT INDEX OF AT LEAST 110 DEGREES (6 DAYS FROM 08/20 TO 08/25. HEAT INDEX RECORDS DATE BACK TO 1946). ...MONTHLY... 5TH WARMEST DECEMBER ON RECORD (45.0 DEGREES). TIED MOST DAYS WITH A HIGH TEMPERATURE OF AT LEAST 80 DEGREES WITHIN THE MONTH OF SEPTEMBER (28 DAYS. ALSO SET IN 2019). TIED MOST CONSECUTIVE DAYS WITH A LOW TEMPERATURE GREATER THAN OR EQUAL TO 80 DEGREES WITHIN THE MONTH OF AUGUST (5 DAYS FROM 08/21 TO 08/25. ALSO SET FROM 08/17 TO 08/21/1983). TIED LEAST OCCURRENCES WITH AT LEAST A TENTH OF AN INCH OF RAINFALL IN THE MONTH OF APRIL (2 DAYS). TIED 8TH LEAST SNOWIEST MARCH (TRACE). 6TH WARMEST FEBRUARY (43.1 DEGREES). TIED LEAST SNOWIEST FEBRUARY (TRACE. 12 OTHER SUCH OCCASSIONS). 9TH WARMEST JANUARY (39.4 DEGREES). ...DAILY... 5 RECORD HIGH TEMPERATURES OR TIED (11/08, 10/27, 08/25, 05/07, AND 01/03). 7 RECORD HIGH MINIMUM TEMPERATURES SET OR TIED (10/26, 08/25, 08/24, 08/23, 07/28, 07/27, AND 07/26). 2 PRECIPITATION VALUES SET (09/27 AND 03/03). $$ CVKING