September, 1999 Preliminary Local Climatological Data Minneapolis/St. Paul, 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 87 63 75 9 0 2 -33 10 712 59 0 0 0.11 M M 11.0 M M 2 90 71 81 16 0 2 -36 16 728 72 0.20 0.20 0.22 M M 10.0 M M 3 91 69 80 15 0 2 -39 15 743 84 0 0.20 0.32 M M 10.1 M M 4 83 67 75 10 0 2 -42 10 753 91 0.01 0.21 0.42 M M 11.3 M M 5 69 51 60 -4 5 7 -40 0 753 89 0.13 0.34 0.52 M M 7.9 21 300 6 78 50 64 0 1 8 -42 0 753 87 0 0.34 0.62 M M 7.6 18 160 7 84 63 74 10 0 8 -45 9 762 94 0.20 0.54 0.72 M M 11.6 48 200 8 70 54 62 -1 3 11 -46 0 762 92 T 0.54 0.82 M M 11.5 28 260 9 60 50 55 -8 10 21 -40 0 762 90 0.02 0.56 0.92 M M 12.2 29 300 10 72 50 61 -2 4 25 -40 0 762 88 0 0.56 1.02 M M 10.6 26 280 11 76 43 60 -2 5 30 -39 0 762 87 1.53 2.09 1.11 M M 7.0 45 340 12 69 53 61 -1 4 34 -39 0 762 86 0.09 2.18 1.20 M M 11.6 32 290 13 61 48 55 -6 M M M 0 762 85 0.10 2.28 1.29 M M 11.6 29 290 14 60 43 52 -9 13 57 -26 0 762 84 0.01 2.29 1.38 M M 8.8 24 270 15 66 46 56 -5 9 66 -22 0 762 83 0 2.29 1.47 M M 3.6 16 310 16 70 43 57 -3 8 74 -20 0 762 82 0 2.29 1.56 M M 4.4 18 180 17 75 52 64 4 1 76 -24 0 762 81 0 2.29 1.65 M M 8.7 21 190 18 80 52 66 6 0 76 -30 1 763 81 0 2.29 1.74 M M 10.2 31 230 19 65 48 57 -2 8 84 -28 0 763 81 0.36 2.65 1.83 M M 10.9 M M 20 55 39 47 -12 18 102 -16 0 763 81 0 2.65 1.92 M M 8.9 M M 21 63 37 50 -8 15 117 -8 0 763 81 0 2.65 2.00 M M 6.4 M M 22 78 47 63 5 2 119 -13 0 763 81 0 2.65 2.08 M M 6.6 M M 23 71 49 60 2 5 124 -15 0 763 81 0 2.65 2.16 M M 7.8 23 10 24 68 45 57 0 8 132 -15 0 763 81 0 2.65 2.24 M M 8.1 21 160 25 84 51 68 11 0 132 -23 3 766 84 0 2.65 2.32 M M 13.2 33 190 26 72 55 64 7 1 133 -30 0 766 84 0.08 2.73 2.40 M M 12.5 31 220 27 63 48 56 0 9 142 -30 0 766 84 0 2.73 2.48 M M 5.5 15 310 28 66 45 56 0 9 151 -30 0 766 84 0 2.73 2.56 M M 8.4 24 340 29 63 38 51 -5 14 165 -25 0 766 84 0 2.73 2.64 M M 7.6 21 270 30 61 45 53 M 12 177 M 0 766 M 0 2.73 M M M M M M MONTHLY SUMMARY FOR...SEPTEMBER 1999 ...TEMPERATURE DATA... AVERAGE MONTHLY......... 61.1 DEPARTURE FROM NORMAL... 0.6 DEGREES ABOVE NORMAL AVERAGE DAILY MAX....... 71.6 AVERAGE DAILY MIN....... 50.5 HIGHEST DAILY... 91 ON SEPTEMBER 3RD LOWEST DAILY.... 37 ON SEPTEMBER 21ST ...NUMBER OF DAYS... MAXIMUM 32 OR BELOW... 0 MAXIMUM 90 OR ABOVE... 2 MINIMUM 32 OR BELOW... 0 MINIMUM 0 OR BELOW... 0 ...DEGREE DAYS... HEATING / COOLING MONTHLY TOTAL........... 175 / 64 DEPARTURE FROM NORMAL... 8 / 32 SEASONAL TOTAL.......... 177 / 766 DEPARTURE FROM NORMAL... -23 / 84 ...PRECIPITATON DATA... TOTAL FOR THE MONTH..... 2.73 DEPARTURE FROM NORMAL... .01 INCHES ABOVE NORMAL TOTAL FOR THE YEAR...... 28.53 DEPARTURE FROM NORMAL... 5.03 INCHES ABOVE NORMAL GREATEST DAILY.... 1.53 INCHES ON THE 11TH ...NUMBER OF DAYS... MEASURABLE PRECIP... 11 0.10 INCH OR MORE... 6 0.50 INCH OR MORE... 1 1.00 INCH OR MORE... 1 ...SNOWFALL... ...WIND DATA............ AVERAGE MONTHLY......... 9.3 MPH PEAK GUST .............. 48 MPH FROM THE SOUTH ...SEA LEVEL PRESSURE... HIGHEST... 30.33 INCHES ON THE 17TH LOWEST.... 29.56 INCHES ON THE 5TH