Climatological Report (Annual)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
000 CXUS53 KLSX 030750 CLASTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 150 AM CST MON JAN 03 2022 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR THE YEAR OF 2021... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1874 TO 2022 WEATHER OBSERVED NORMAL DEPART VALUE DATE(S) VALUE FROM NORMAL ................................................ TEMPERATURE (F) RECORD HIGH 115 07/14/1954 LOW -22 01/05/1884 HIGHEST 101 06/18 LOWEST -4 02/16 AVG. MAXIMUM 68.3 66.8 1.5 AVG. MINIMUM 49.7 48.0 1.7 MEAN 59.0 57.4 1.6 DAYS MAX >= 90 55 DAYS MAX <= 32 18 DAYS MAX >= 100 2 DAYS MIN <= 32 74 DAYS MIN <= 0 3 PRECIPITATION (INCHES) RECORD MAXIMUM 61.24 2015 MINIMUM 20.69 1953 TOTALS 42.48 41.70 0.78 DAYS >= .01 117 DAYS >= .10 68 DAYS >= .50 30 DAYS >= 1.00 14 GREATEST 24 HR. TOTAL 3.30 07/09 TO 07/10 SNOWFALL (INCHES) RECORDS TOTAL 63.3 1912 24 HR TOTAL 20.0 03/30/1890 TO 03/31/1890 TOTALS 12.6 16.6 -4.0 SINCE 7/1 T 4.1 -4.1 DAYS > TRACE 14 DAYS >= 1.0 2 GREATEST SNOW DEPTH 7 02/16 24 HR TOTAL 5.7 02/15 DEGREE DAYS HEATING TOTAL 4016 4433 -417 SINCE 7/1 1235 1705 -470 COOLING TOTAL 1977 1713 264 ................................................ WIND (MPH) HIGHEST WIND SPEED/DIRECTION 55/280 DATE 07/09 HIGHEST GUST SPEED/DIRECTION 70/280 DATE 07/09 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 49 HAIL 0 FOG W/VIS <= 1/4 MILE 13 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. ...ANNUAL... TIED 6TH WARMEST CALENDAR YEAR ON RECORD (59.0 DEGREES). 7TH MOST OCCURRENCES WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 60 DEGREES (251 DAYS). TIED 9TH LEAST NUMBER OF OCCURRENCES WITH AT LEAST ONE INCH OF SNOWFALL (2 DAYS). ...SEASONAL... 9TH WARMEST METEOROLOGICAL SPRING ON RECORD (61.8 DEGREES). ...MONTHLY... 3RD WARMEST DECEMBER ON RECORD (47.0 DEGREES). TIED MOST DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 70 DEGREES WITHIN THE MONTH OF DECEMBER (5 DAYS. ALSO TIED WITH 1889). MOST DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 60 DEGREES WITHIN THE MONTH OF DECEMBER (16 DAYS. PREVIOUS 14 DAYS IN 1889). TIED LEAST SNOWIEST DECEMBER (0.0 INCHES. 4TH SUCH OCCURRENCE WITHOUT EVEN A TRACE OF SNOWFALL). 3RD DRIEST NOVEMBER (0.35 INCHES). MOST DAYS WITH A HIGH TEMPERATURE GREATER THAN OR EQUAL TO 50 DEGREES WITHIN THE MONTH OF MARCH (PREVIOUS 29 IN 2012 AND 1938). TIED LEAST SNOWIEST MARCH (0.0 INCHES. 7TH SUCH OCCURRENCE). TIED 9TH COLDEST FEBRUARY (26.4 DEGREES). TIED MOST CONSECUTIVE DAYS WITH A HIGH TEMPERATURE LESS THAN OR EQUAL TO 32 DEGREES WITHIN THE MONTH OF FEBRUARY (13 DAYS FROM 02/06 TO 02/18. ALSO OCCURRED IN 1899). TIED MOST DAYS IN FEBRUARY WITH A HIGH TEMPERATURE LESS THAN 20 DEGREES (9 DAYS. ALSO SET IN 1899). TIED MOST DAYS IN FEBRUARY WITH MEASURABLE SNOWFALL (10 DAYS. ALSO SET IN 2015). ...DAILY... 4 RECORD HIGH TEMPERATURES SET OR TIED (12/24, 12/16, 09/27, AND 06/18). 3 RECORD HIGH MINIMUM TEMPERATURES SET OR TIED (12/16, 10/10, AND 06/18). 1 RECORD LOW TEMPERATURE SET (04/21). 2 RECORD LOW MAXIMUM TEMPERATURES SET (02/15 AND 02/14). 1 RECORD SNOWFALL VALUE SET (1.6 INCHES ON 02/17. PREVIOUS 1.5 IN 1936). $$ GOSSELIN