September, 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 80 58 69 5 0 25 M M M M 0 0 0.12 M M M M M 2 85 65 75 11 0 25 M M M M 0.01 0.01 0.24 M M M M M 3 88 63 76 12 0 25 M M M M 0 0.01 0.37 M M M M M 4 81 65 73 10 0 25 M M M M 0.18 0.19 0.50 M M M M M 5 68 52 60 -3 5 30 M M M M T 0.19 0.62 M M M M M 6 73 47 60 -2 5 35 M M M M 0 0.19 0.74 M M M M M 7 80 58 69 7 0 35 M M M M T 0.19 0.86 M M M M M 8 71 51 61 -1 4 39 M M M M 0 0.19 0.98 M M M M M 9 60 47 54 -7 11 50 M M M M T 0.19 1.10 M M M M M 10 68 48 58 -3 7 57 M M M M 0 0.19 1.22 M M M M M 11 74 41 58 -3 7 64 M M M M 0.06 0.25 1.34 M M M M M 12 67 48 58 -2 7 71 M M M M 0.48 0.73 1.46 M M M M M 13 61 47 54 -6 11 82 M M M M T 0.73 1.58 M M M M M 14 59 44 52 -8 13 95 M M M M T 0.73 1.70 M M M M M 15 63 43 53 -6 12 107 M M M M 0 0.73 1.82 M M M M M 16 67 39 53 -6 12 119 M M M M 0 0.73 1.94 M M M M M 17 70 44 57 -2 8 127 M M M M 0 0.73 2.06 M M M M M 18 75 43 59 1 6 133 M M M M 0 0.73 2.18 M M M M M 19 63 45 54 -4 11 144 M M M M T 0.73 2.30 M M M M M 20 52 37 45 -13 20 164 M M M M 0 0.73 2.41 M M M M M 21 61 32 47 -10 18 182 M M M M 0 0.73 2.52 M M M M M 22 76 42 59 2 6 188 M M M M 0 0.73 2.63 M M M M M 23 73 49 61 4 4 192 M M M M 0 0.73 2.74 M M M M M 24 66 43 55 -1 10 202 M M M M 0 0.73 2.85 M M M M M 25 80 47 64 8 1 203 M M M M 0 0.73 2.96 M M M M M 26 67 51 59 3 6 209 M M M M T 0.73 3.07 M M M M M 28 62 42 52 -3 13 234 M M M M 0 0.74 3.27 M M M M M 29 61 35 48 -7 17 251 M M M M 0 0.74 3.37 M M M M M 30 53 40 47 M 13 264 M M M M 0 0.74 M M M M M M SEPTEMBER CLIMATOLOGICAL REPORT FOR ROCHESTER MN ...TEMPERATURE DATA... AVERAGE MONTHLY TEMPERATURE....58.1 OR 1.1 DEGREES BELOW NORMAL AVERAGE HIGH TEMPERATURE.......69.1 AVERAGE LOW TEMPERATURE.......47.1 HIGHEST TEMPERATURE WAS 88 DEGREES ON THE 3RD LOWEST TEMPERATURE WAS 32 DEGREES ON THE 21ST HEATING DEGREE DAYS COOLING DEGREE DAYS MONTHLY TOTAL ........... 239 MONTHLY TOTAL ........... 37 DEPARTURE FROM NORMAL.... 54 DEPARTURE FROM NORMAL.... 26 SEASONAL TOTAL (JUL-JUN). 264 SEASONAL TOTAL (JAN-DEC). 503 DEPARTURE FROM NORMAL.... 30 DEPARTURE FROM NORMAL.... 31 ...PRECIPITATION DATA... ..LIQUID.. TOTAL FOR THE MONTH......... 0.74 OR 2.73 INCHES BELOW NORMAL TOTAL SINCE JANUARY 1ST..... 35.10 OR 10.40 INCHES ABOVE NORMAL GREATEST 24 HOUR RAINFALL WAS 0.48 INCHES ON THE 12TH ...NUMBER OF DAYS... WITH 0.01 INCHES OR MORE.. 5 HIGHS 32 DEGREES OR COLDER... 0 WITH 0.10 INCHES OR MORE.. 2 HIGHS 90 DEGREES OR WARMER... 0 WITH 0.50 INCHES OR MORE.. 0 LOWS 32 DEGREES OR COLDER... 1 WITH 1.00 INCH OR MORE.... 0 LOWS 0 DEGREES OR COLDER... 0 ...SEA LEVEL PRESSURE DATA... HIGHEST 30.33 INCHES ON THE 29TH LOWEST 0.00 INCHES ON THE ERROR ...WIND DATA... THE AVERAGE MONTHLY WIND SPEED WAS 10.2 MPH THE FASTEST TWO-MINUTE WIND WAS... 29 MPH FROM THE WEST THE HIGHEST PEAK WIND GUST WAS.... 37 MPH FROM THE WEST