September, 1998 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 78 49 64 -2 1 1 -34 0 628 -25 0 0 0.11 M M 8.1 M M 2 74 46 60 -5 5 6 -32 0 628 -28 0 0 0.22 M M 3.9 M M 3 79 57 68 3 0 6 -35 3 631 -28 0 0 0.32 M M 5.8 M M 4 84 51 68 3 0 6 -38 3 634 -28 0 0 0.42 M M 4.6 M M 5 90 60 75 11 0 6 -41 10 644 -20 0 0 0.52 M M 10.3 M M 6 81 65 73 9 0 6 -44 8 652 -14 T T 0.62 M M 8.7 M M 7 73 54 64 0 1 7 -46 0 652 -16 0 T 0.72 M M 9.8 M M 8 71 50 61 -2 4 11 -46 0 652 -18 0 T 0.82 M M 4.8 M M 9 76 50 63 0 2 13 -48 0 652 -20 0 T 0.92 M M 10.0 M M 10 90 59 75 12 0 13 -52 10 662 -12 0 T 1.02 M M 14.0 M M 11 88 65 77 15 0 13 -56 12 674 -1 0 T 1.11 M M 7.2 M M 12 88 68 78 16 0 13 -60 13 687 11 0 T 1.20 M M 6.1 M M 13 93 65 79 18 0 13 -65 14 701 24 0 T 1.29 M M 9.2 M M 14 78 65 72 11 0 13 -70 7 708 30 T T 1.38 M M 7.6 M M 15 80 58 69 8 0 13 -75 4 712 33 0 T 1.47 M M 8.1 M M 16 86 52 69 9 0 13 -81 4 716 36 0 T 1.56 M M 3.6 M M 17 85 60 73 13 0 13 -87 8 724 43 0 T 1.65 M M 7.1 M M 18 88 60 74 14 0 13 -93 9 733 51 0 T 1.74 M M 7.8 M M 19 92 67 80 21 0 13 -99 15 748 66 0.57 0.57 1.83 M M 13.5 M M 20 76 53 65 6 0 13 -105 0 748 66 0 0.57 1.92 M M 10.5 M M 21 59 49 54 -4 11 24 -101 0 748 66 T 0.57 2.00 M M 8.9 M M 22 67 38 53 -5 12 36 -96 0 748 66 0 0.57 2.08 M M 4.2 M M 23 65 44 55 -3 10 46 -93 0 748 66 0.30 0.87 2.16 M M 10.1 M M 24 71 47 59 2 6 52 -95 0 748 66 0 0.87 2.24 M M 7.4 M M 25 78 61 70 13 0 52 -103 5 753 71 0.07 0.94 2.32 M M 7.3 M M 26 76 64 70 13 0 52 -111 5 758 76 0.13 1.08 2.40 M M 7.0 M M 27 69 49 59 M 6 58 M 0 758 M 0.02 1.10 M M M M M M 28 78 44 61 M 4 62 M 0 758 M 0 1.10 M M M M M M 29 75 54 65 9 0 62 -128 0 758 76 0 1.10 2.64 M M 5.9 M M 30 61 44 53 -2 12 74 -126 0 758 76 0.25 1.35 2.72 M M 11.5 M M TWIN CITIES MONTHLY CLIMATOLOGICAL REPORT FOR SEPTEMBER 1998 NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 315 AM CDT THU OCT 1 1998 ...TEMPERATURE DATA... ...NUMBER OF DAYS... AVERAGE MONTHLY......... 66.6 MAXIMUM 32 OR BELOW... 0 DEPARTURE FROM NORMAL... 6.1 ABOVE MAXIMUM 90 OR ABOVE... 4 AVERAGE DAILY MAX..... 78.3 MINIMUM 32 OR BELOW... 0 AVERAGE DAILY MIN..... 54.9 MINIMUM 0 OR BELOW... 0 HIGHEST DAILY... 93 ON SEP 13 LOWEST DAILY.... 38 ON SEP 22 ...DEGREE DAYS... HEATING COOLING MONTHLY TOTAL........... 74 130 DEPARTURE FROM NORMAL... 93 BELOW 98 ABOVE SEASONAL TOTAL.......... 74 758 DEPARTURE FROM NORMAL... 126 BELOW 76 ABOVE ...PRECIPITATON DATA... TOTAL FOR THE MONTH..... 1.34 MEASURABLE PRECIP... 6 DEPARTURE FROM NORMAL... 1.38 BELOW 0.10 INCH OR MORE... 4 TOTAL FOR THE YEAR......29.44 0.50 INCH OR MORE... 1 DEPARTURE FROM NORMAL... 5.94 ABOVE 1.00 INCH OR MORE... 0 GREATEST IN 24 HOURS.... 0.57 INCHES ON THE 19 ...SNOW... TOTAL FOR THE MONTH.... 0.0 TOTAL FOR THE SEASON... 0.0 ...SEA LEVEL PRESSURE... HIGHEST...30.27 INCHES ON SEP 22 LOWEST....29.51 INCHES ON SEP 19 ...COMMENTS... SEPTEMBER 1998 WAS THE 9TH WARMEST ON RECORD. THE FOLLOWING IS A LISTING OF THE SEPTEMBER EXTREMES. SEPTEMBER TEMPERATURE AND PRECIPITATION EXTREMES NWSFO...MINNEAPOLIS/ST PAUL MINNESOTA MODERN DAY RECORDS 10 WARMEST 10 COLDEST 10 DRIEST 10 WETTEST 68.6...1931 52.8...1965 0.41...1940 7.77...1903 68.0...1908 55.0...1993 0.42...1952 7.53...1942 67.9...1897 55.1...1918 0.49...1969 7.44...1900 67.8...1948 55.3...1974 0.55...1953 6.90...1986 67.6...1891 56.4...1952 0.58...1974 6.58...1946 67.4...1933 56.9...1951 0.63...1967 6.50...1905 67.3...1978 57.2...1984+ 0.78...1936 6.16...1968 66.7...1936 57.4...1926 0.79...1956 5.83...1911 66.6...1998 57.6...1924 0.83...1898 5.80...1951 66.1...1895 57.7...1975 0.85...1932 5.44...1906 ...30YR NORMAL TEMP...60.5 ...30YR NORMAL PRECIP...2.72 SEPTEMBER 1998 TEMP...66.6 SEPTEMBER 1998 PRECIP...1.34 SNOWIEST 1.7...1942 0.4...1985 0.1...1961 TRACE...NUMEROUS OCCURRENCES CARLYON