609 CDUS43 KDMX 180656 CLIDSM CLIMATE REPORT NATIONAL WEATHER SERVICE DES MOINES IA 1245 AM CST MON DEC 18 2017 ................................... ...THE DES MOINES IA CLIMATE SUMMARY FOR DECEMBER 17 2017... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1878 TO 2017 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL .................................................................. TEMPERATURE (F) YESTERDAY MAXIMUM 39 145 PM 64 1939 33 6 22 MINIMUM 29 1159 PM -9 1964 17 12 -4 AVERAGE 34 25 9 9 PRECIPITATION (IN) YESTERDAY 0.02 0.44 1895 0.05 -0.03 0.07 MONTH TO DATE 0.04 0.86 -0.82 0.68 SINCE DEC 1 0.04 0.86 -0.82 0.68 SINCE JAN 1 29.82 35.46 -5.64 33.80 SNOWFALL (IN) YESTERDAY MM 2.8 1951 0.3 MM 1.7 MONTH TO DATE T 5.0 -5.0 3.4 SINCE DEC 1 T 5.0 -5.0 3.4 SINCE JUL 1 T 7.9 -7.9 3.4 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 31 40 -9 56 MONTH TO DATE 507 633 -126 685 SINCE DEC 1 507 633 -126 685 SINCE JUL 1 1562 1891 -329 1368 COOLING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE DEC 1 0 0 0 0 SINCE JAN 1 1306 1066 240 1448 .................................................................. WIND (MPH) HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (250) HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NE (40) AVERAGE WIND SPEED 4.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.9 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN FOG HAZE RELATIVE HUMIDITY (PERCENT) HIGHEST 85 1000 PM LOWEST 69 100 AM AVERAGE 77 .......................................................... THE DES MOINES IA CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 33 64 1976 MINIMUM TEMPERATURE (F) 17 -16 1985 1983 SUNRISE AND SUNSET DECEMBER 18 2017......SUNRISE 736 AM CST SUNSET 447 PM CST DECEMBER 19 2017......SUNRISE 737 AM CST SUNSET 447 PM CST - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$