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Climatological Report (Monthly)
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
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000 CXUS53 KGRR 011348 CLMGRR CLIMATE REPORT NATIONAL WEATHER SERVICE GRAND RAPIDS, MI 846 AM EST TUE JAN 1 2013 ................................... ...THE GRAND RAPIDS MI CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1892 TO 2012 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 69 12/05/2001 LOW -18 12/19/1983 HIGHEST 65 12/04 53 12 57 12/15 12/03 LOWEST 17 12/25 1 16 17 12/10 AVG. MAXIMUM 41.7 34.8 6.9 40.6 AVG. MINIMUM 28.5 23.5 5.0 29.3 MEAN 35.1 29.2 5.9 35.0 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 8 11.7 -3.7 3 DAYS MIN <= 32 22 25.0 -3.0 22 DAYS MIN <= 0 0 0.7 -0.7 0 PRECIPITATION (INCHES) RECORD MAXIMUM 6.95 1893 MINIMUM 0.31 1913 TOTALS 2.85 2.50 0.35 2.59 DAILY AVG. 0.09 0.08 0.01 0.08 DAYS >= .01 17 16.0 1.0 15 DAYS >= .10 8 6.9 1.1 6 DAYS >= .50 1 1.1 -0.1 1 DAYS >= 1.00 1 0.3 0.7 0 GREATEST 24 HR. TOTAL 1.06 12/20 TO 12/20 12/14 TO 12/15 12/27 TO 12/27 12/27 TO 12/27 SNOWFALL (INCHES) RECORDS TOTAL 59.2 2000 24 HR TOTAL 15.1 12/10/1970 TO 12/11/1970 SNOW DEPTH 22 12/27/1951 12/26/1951 12/25/1951 TOTALS 7.2 21.9 -14.7 4.5 LIQUID EQUIV 0.72 2.20 -1.48 MM SINCE 7/1 7.5 29.2 -21.7 5.2 LIQUID 7/1 0.75 2.90 -2.15 0.07 SNOWDEPTH AVG. 0 3 -3 0 DAYS >= TRACE 14 13.3 0.7 12 DAYS >= 1.0 2 6.6 -4.6 2 GREATEST SNOW DEPTH 3 12/27 1 12/28 12/26 12/24 12/09 24 HR TOTAL 3.1 MM 12/27 TO 12/27 12/27 TO 12/27 12/27 TO 12/27 DEGREE_DAYS HEATING TOTAL 919 1111 -192 922 SINCE 7/1 2228 2449 -221 2095 COOLING TOTAL 0 0 0 0 SINCE 1/1 1039 699 340 894 FREEZE DATES RECORD EARLIEST 09/03/1946 LATEST 06/04/1945 EARLIEST 10/13 LATEST 05/02 ........................................................ WIND (MPH) AVERAGE WIND SPEED 9.0 RESULTANT WIND SPEED/DIRECTION 1/234 HIGHEST WIND SPEED/DIRECTION 35/330 DATE 12/21 HIGHEST GUST SPEED/DIRECTION 49/340 DATE 12/21 SKY COVER POSSIBLE SUNSHINE (PERCENT) 18 AVERAGE SKY COVER 0.80 NUMBER OF DAYS FAIR 1 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 21 AVERAGE RH (PERCENT) 76 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 2 HEAVY RAIN 1 RAIN 4 LIGHT RAIN 14 FREEZING RAIN 0 LT FREEZING RAIN 2 HAIL 0 HEAVY SNOW 0 SNOW 2 LIGHT SNOW 14 SLEET 1 FOG 23 FOG W/VIS <= 1/4 MILE 3 HAZE 12 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$
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