Climatological Report (Annual)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
741 CXUS53 KGRR 060538 CCA CLAGRR CLIMATE REPORT NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN 125 PM EST MON JAN 04 2021 ................................... ...THE GRAND RAPIDS CLIMATE SUMMARY FOR THE YEAR OF 2020... CLIMATE NORMAL PERIOD: 1981 TO 2010 CLIMATE RECORD PERIOD: 1892 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 108 07/13/1936 LOW -24 02/14/1899 02/13/1899 HIGHEST 94 07/03 93 1 92 07/20 07/07 LOWEST 4 02/14 -6 10 -10 01/31 02/15 AVG. MAXIMUM 59.1 58.0 1.1 56.8 AVG. MINIMUM 41.2 40.3 0.9 40.1 MEAN 50.1 49.1 1.0 48.5 DAYS MAX >= 90 17 8.4 8.6 7 DAYS MAX <= 32 15 47.3 -32.3 50 DAYS MIN <= 32 93 126.5 -33.5 135 DAYS MIN <= 0 0 3.9 -3.9 6 PRECIPITATION (INCHES) RECORD MAXIMUM 51.37 2019 MINIMUM 20.99 1930 TOTALS 37.44 38.27 -0.83 51.37 DAILY AVG. 0.10 0.10 -0.00 0.14 DAYS >= .01 33 145.0 -112.0 177 DAYS >= .10 19 77.5 -58.5 103 DAYS >= .50 4 22.9 -18.9 38 DAYS >= 1.00 1 7.7 -6.7 10 GREATEST 24 HR. TOTAL 2.16 SNOWFALL (INCHES) RECORDS TOTAL 143.7 2008 24 HR TOTAL 11.3 02/03/2007 TO 02/03/2007 SNOW DEPTH 24 02/18/2014 TOTALS 37.7 74.9 -37.2 84.8 SINCE 7/1 5.3 29.2 -23.9 MM SNOWDEPTH AVG. 1 1 DAYS >= TRACE 21 52.1 -31.1 89 DAYS >= 1.0 3 23.0 -20.0 25 GREATEST SNOW DEPTH 6 01/21 14 01/30 01/19 01/20 24 HR TOTAL 0.2 DEGREE DAYS HEATING TOTAL 6146 6485 -339 6650 SINCE 7/1 2277 2448 -171 MM COOLING TOTAL 832 698 134 742 SINCE 1/1 832 699 133 742 FREEZE DATES RECORD EARLIEST 09/03/1946 LATEST 06/04/1945 EARLIEST 10/18 LATEST 05/13 ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.3 RESULTANT WIND SPEED/DIRECTION 3/250 HIGHEST WIND SPEED/DIRECTION 44/230 DATE 11/15 HIGHEST GUST SPEED/DIRECTION 63/240 DATE 11/15 SKY COVER POSSIBLE SUNSHINE (PERCENT) 51 AVERAGE SKY COVER 0.63 NUMBER OF DAYS FAIR MM NUMBER OF DAYS PC MM NUMBER OF DAYS CLOUDY MM AVERAGE RH (PERCENT) 71 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 30 MIXED PRECIP 0 HEAVY RAIN 31 RAIN 47 LIGHT RAIN 137 FREEZING RAIN 1 LT FREEZING RAIN 5 HAIL 3 HEAVY SNOW 4 SNOW 10 LIGHT SNOW 72 SLEET 3 FOG 181 FOG W/VIS <= 1/4 MILE 14 HAZE 36 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$