August, 1999 Preliminary Local Climatological Data Rochester, MN National Weather Service |-Temperature-|--------Degree Days---------|-Precipitation-|-Snowfall-|----Wind----| (degrees F) (base 65 degrees F) (inches) (inches) (mph, deg) Heating Cooling Max Min Avg Dep HDD Seas Dep CDD Seas Dep Tot Tot Norm Tot Tot Avg Pk Dir from for for for for for Spd Gust at Norm Seas Seas Mon Mon Seas Pk Date | | | | | | | | | | | | | | | | | | 1 72 56 64 M 1 6 M 0 M M 0 0 M M M M M M 2 76 55 66 -5 0 6 M M M M 0 0 0.26 M M M M M 3 77 59 68 -3 0 6 M 3 391 M 0 0 0.39 M M M M M 4 77 57 67 -3 0 6 M M M M 0 0 0.52 M M M M M 5 80 57 69 -1 0 6 M M M M 0 0 0.65 M M M M M 6 81 62 72 2 0 6 M M M M 0 0 0.78 M M M M M 7 75 62 69 -1 0 6 M M M M 0.13 0.13 0.91 M M M M M 8 71 55 63 -7 2 8 M M M M 0 0.13 1.04 M M M M M 9 73 54 64 -6 1 9 M M M M 1.27 1.40 1.17 M M M M M 10 79 61 70 0 0 9 M M M M 0 1.40 1.30 M M M M M 11 80 56 68 -1 0 9 M M M M 0 1.40 1.43 M M M M M 12 78 65 72 3 0 9 M M M M 0.25 1.65 1.56 M M M M M 13 70 54 62 -7 3 12 M M M M 0.01 1.66 1.69 M M M M M 14 71 49 60 -9 5 17 M M M M 0 1.66 1.82 M M M M M 15 73 55 64 -5 1 18 M M M M 0.01 1.67 1.95 M M M M M 17 78 57 68 0 0 18 M M M M 0 1.67 2.20 M M M M M 18 72 61 67 -1 0 18 M M M M 2.48 4.15 2.32 M M M M M 19 72 58 65 -3 0 18 M M M M 0 4.15 2.44 M M M M M 20 74 51 63 -5 2 20 M M M M 0 4.15 2.56 M M M M M 21 68 58 63 -4 2 22 M M M M 0.44 4.59 2.68 M M M M M 22 69 60 65 -2 0 22 M M M M 1.01 5.60 2.80 M M M M M 23 75 59 67 0 0 22 M M M M 0.60 6.20 2.92 M M M M M 24 74 60 67 0 0 22 M M M M 0 6.20 3.04 M M M M M 25 79 58 69 3 0 22 M M M M 0 6.20 3.16 M M M M M 26 80 58 69 3 0 22 M M M M 0 6.20 3.28 M M M M M 27 85 67 76 10 0 22 M M M M 0 6.20 3.40 M M M M M 28 81 63 72 6 0 22 M M M M 0 6.20 3.52 M M M M M 29 72 57 65 0 0 22 M M M M 0 6.20 3.64 M M M M M 30 70 54 62 -3 3 25 M M M M 0 6.20 3.76 M M M M M 31 75 56 66 2 0 25 M M M M 0 6.20 3.88 M M M M M Monthly Summary for August ...ROCHESTER DATA... ...TEMPERATURE DATA... AVERAGE MONTHLY TEMPERATURE....66.7 OR 1.5 DEGREES BELOW NORMAL AVERAGE HIGH TEMPERATURE.......75.5 AVERAGE LOW TEMPERATURE.......57.9 HIGHEST TEMPERATURE WAS 85 DEGREES ON THE 27TH LOWEST TEMPERATURE WAS 49 DEGREES ON THE 14TH HEATING DEGREE DAYS COOLING DEGREE DAYS MONTHLY TOTAL ........... 20 MONTHLY TOTAL ........... 79 DEPARTURE FROM NORMAL.... -13 DEPARTURE FROM NORMAL.... -54 SEASONAL TOTAL (JUL-JUN). 25 SEASONAL TOTAL (JAN-DEC). 466 DEPARTURE FROM NORMAL.... -24 DEPARTURE FROM NORMAL.... 5 ...PRECIPITATION DATA... TOTAL FOR THE MONTH......... 6.20 OR 2.32 INCHES ABOVE NORMAL TOTAL SINCE JANUARY 1ST..... 34.36 OR 13.13 INCHES ABOVE NORMAL GREATEST 24 HOUR RAINFALL WAS 2.48 INCHES ON THE 18TH ...NUMBER OF DAYS... WITH 0.01 INCHES OR MORE.. 10 HIGHS 32 DEGREES OR COLDER... 0 WITH 0.10 INCHES OR MORE.. 8 HIGHS 90 DEGREES OR WARMER... 0 WITH 0.50 INCHES OR MORE.. 4 LOWS 32 DEGREES OR COLDER... 0 WITH 1.00 INCH OR MORE.... 3 LOWS 0 DEGREES OR COLDER... 0 ...SEA LEVEL PRESSURE DATA... HIGHEST 30.34 INCHES ON THE 2ND LOWEST 29.57 INCHES ON THE 12TH ...WIND DATA... THE AVERAGE MONTHLY WIND SPEED WAS 9.4 MPH THE FASTEST TWO-MINUTE WIND WAS... 31 MPH FROM THE SOUTH THE HIGHEST PEAK WIND GUST WAS.... 38 MPH FROM THE SOUTH WELVAERT