July, 1999 Preliminary Local Climatological Data Duluth, 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 70 50 60 -4 5 5 2 0 45 29 0.04 0.04 0.12 0.0 0.0 4.8 M M 2 75 48 62 -2 3 8 2 0 45 27 0.03 0.07 0.24 M M 5.7 M M 3 75 58 67 3 0 8 -1 2 47 27 0.33 0.40 0.36 M M 9.7 M M 4 79 60 70 5 0 8 -3 5 52 30 0.02 0.42 0.48 0.0 0.0 6.9 M M 5 85 61 73 8 0 8 -5 8 60 36 2.90 3.32 0.60 M M 11.1 M M 6 77 57 67 2 0 8 -7 2 62 36 0 3.32 0.72 M M 15.3 M M 7 75 51 63 -2 2 10 -7 0 62 34 0 3.32 0.84 M M 10.9 M M 8 57 50 54 -11 11 21 2 0 62 32 1.53 4.85 0.96 M M 12.7 M M 9 63 51 57 -9 8 29 8 0 62 29 0.10 4.95 1.08 M M 7.1 M M 10 76 51 64 -2 1 30 7 0 62 26 0 4.95 1.20 M M 6.9 M M 11 79 54 67 1 0 30 5 2 64 25 0 4.95 1.32 M M 8.5 M M 12 80 57 69 3 0 30 3 4 68 26 0 4.95 1.44 M M 10.6 M M 13 78 62 70 4 0 30 1 5 73 28 0.04 4.99 1.56 M M 8.0 M M 14 85 61 73 7 0 30 -1 8 81 33 0 4.99 1.67 M M 4.8 M M 15 76 61 69 3 0 30 -3 4 85 34 0.10 5.09 1.78 M M 10.4 M M 16 78 58 68 2 0 30 -5 3 88 34 1.11 6.20 1.89 0.0 0.0 10.8 M M 17 73 53 63 -4 2 32 -4 0 88 31 0 6.20 2.00 M M 6.9 M M 18 65 57 61 -6 4 36 -1 0 88 28 T 6.20 2.11 M M 5.5 M M 19 74 52 63 -4 2 38 0 0 88 25 0 6.20 2.22 M M 6.0 M M 20 76 55 66 -1 0 38 -1 1 89 23 T 6.20 2.33 0.0 0.0 5.9 M M 21 84 57 71 4 0 38 -2 6 95 26 0 6.20 2.44 0.0 0.0 3.6 M M 22 85 64 75 8 0 38 -4 10 105 32 0 6.20 2.55 M M 6.9 M M 23 87 65 76 9 0 38 -6 11 116 39 0.47 6.67 2.66 M M 9.3 M M 24 87 62 75 8 0 38 -8 10 126 45 0 6.67 2.77 M M 8.3 M M 25 83 58 71 4 0 38 -10 6 132 47 1.78 8.45 2.89 M M 8.9 M M 26 76 56 66 -1 0 38 -12 1 133 44 0 8.45 3.01 M M 10.8 M M 27 78 55 67 0 0 38 -14 2 135 42 0.02 8.47 3.13 M M 8.8 M M 28 85 61 73 6 0 38 -16 8 143 46 0 8.47 3.25 0.0 0.0 9.0 M M 29 88 70 79 12 0 38 -18 14 157 56 0 8.47 3.37 M M 9.4 M M 30 92 65 79 1 0 38 -20 14 171 66 T 8.47 3.49 M M 9.7 M M 31 75 57 66 0 0 38 -22 1 172 64 0 8.47 3.61 M M 11.9 M M Monthly Summary for July ...TEMPERATURE DATA... ...PRECIPITATION DATA... AVERAGE MONTHLY: 67.6 TOTAL FOR MONTH: 8.47 DEPARTURE FROM NORMAL: 1.5 DEPARTURE FROM NORMAL: 4.86 HIGHEST: 92 ON 30 GREATEST IN A DAY: 2.90 ON 5 LOWEST: 48 ON 2 SNOWFALL, ICE PELLETS, HAIL MAX 32 OR BELOW: 0 TOTAL FOR MONTH: 0.0 INCHES MAX 90 OR ABOVE: 1 GREATEST SNOWFALL IN A DAY: 0.0 ON MIN 32 OR BELOW: 0 GREATEST SNOW DEPTH: 0 ON MIN 0 OR BELOW: 0 ...WEATHER, DAYS WITH... ...HEATING DEGREE DAYS... 0.01 INCH OR MORE PRECIP: 13 TOTAL THIS MONTH: 38 0.10 INCH OR MORE PRECIP: 8 DEPARTURE FROM NORMAL: -22 0.50 INCH OR MORE PRECIP: 4 SEASONAL TOTAL: 38 1.00 INCH OR MORE PRECIP: 4 DEPARTURE FROM NORMAL: -22 CLEAR (SCALE 0-3) PARTLY CLOUDY (SCALE 4-7) ...COOLING DEGREE DAYS... CLOUDY (SCALE 8-10) TOTAL THIS MONTH: 127 DEPARTURE FROM NORMAL: 33 ...PRESSURE DATA... SEASONAL TOTAL: 172 DEPARTURE FROM NORMAL: 64 HIGHEST SEA-LEVEL 30.25 ON 10 LOWEST SEA-LEVEL 29.57 ON 29 ...REMARKS... 8TH WETTEST JULY ALL TIME. 2ND HIGHEST PRECIPITATION TOTAL AT THE AIRPORT. A NEW DAILY PRECIPITATION RECORD WAS SET FOR THE 5TH OF JULY WITH 2.90 INCHES. THE PREVIOUS DAILY PRECIPITATION RECORD FOR THE 5TH OF JULY WAS 1.61 INCHES SET IN 1900. ...END... KFM/SS