September, 1997 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 86 67 77 11 0 53 18 12 548 -105 0.25 0.25 0.11 M M 11.2 M M 2 71 55 63 -2 2 55 17 0 548 -108 0 0.25 0.22 M M 12.6 M M 3 67 49 58 -7 7 62 21 0 548 -111 0 0.25 0.32 M M 5.2 M M 4 71 52 62 -3 3 65 21 0 548 -114 T 0.25 0.42 M M 10.0 M M 5 79 58 69 5 0 65 18 4 552 -112 0.22 0.47 0.52 M M 11.2 M M 6 78 58 68 4 0 65 15 3 555 -111 0 0.47 0.62 M M 6.2 M M 7 72 62 67 3 0 65 12 2 557 -111 0.01 0.48 0.72 M M 6.7 M M 8 75 62 69 6 0 65 8 4 561 -109 0.48 0.96 0.82 M M 5.8 M M 9 71 53 62 -1 3 68 7 0 561 -111 0 0.96 0.92 M M 9.0 M M 10 70 48 59 -4 6 74 9 0 561 -113 0 0.96 1.02 M M 5.6 M M 11 71 47 59 -3 6 80 11 0 561 -114 0.01 0.97 1.11 M M 3.5 M M 12 76 52 64 2 1 81 8 0 561 -115 0 0.97 1.20 M M 9.2 M M 13 70 57 64 3 1 82 4 0 561 -116 0 0.97 1.29 M M 6.1 M M 14 78 58 68 7 0 82 -1 3 564 -114 T 0.97 1.38 M M 4.7 M M 15 74 65 70 9 0 82 -6 5 569 -110 T 0.97 1.47 M M 8.3 M M 16 73 55 64 4 1 83 -11 0 569 -111 1.97 2.94 1.56 M M 9.4 M M 17 74 49 62 2 3 86 -14 0 569 -112 0 2.94 1.65 M M 6.1 M M 18 81 56 69 9 0 86 -20 4 573 -109 0 2.94 1.74 M M 12.5 M M 19 68 48 0 20 60 42 0 21 63 38 0 22 55 48 0.04 23 66 42 54 -4 11 138 -1 0 573 -109 0 2.98 2.16 M M 3.4 M M 24 71 39 55 -2 10 148 1 0 573 -109 0 2.98 2.24 M M 9.0 M M 25 79 48 64 7 1 149 -6 0 573 -109 0 2.98 2.32 M M 5.3 M M 26 76 48 62 5 3 152 -11 0 573 -109 0 2.98 2.40 M M 9.1 M M 27 78 60 69 13 0 152 -20 4 577 -105 0.19 3.17 2.48 M M 13.8 M M 28 72 53 63 7 2 154 -27 0 577 -105 T 3.17 2.56 M M 14.4 M M 29 66 56 61 5 4 158 -32 0 577 -105 0.03 3.20 2.64 M M 17.1 M M 30 67 47 57 2 8 166 -34 0 577 -105 0 3.20 2.72 M M 11.4 M M TWIN CITIES MONTHLY CLIMATOLOGICAL REPORT FOR SEPTEMBER 1997 ...TEMPERATURE DATA... ...NUMBER OF DAYS... AVERAGE MONTHLY......... 62.4 MAXIMUM 32 OR BELOW... 0 DEPARTURE FROM NORMAL... 1.9 MAXIMUM 90 OR ABOVE... 0 AVERAGE MONTHLY MAX..... 72.2 MINIMUM 32 OR BELOW... 0 AVERAGE MONTHLY MIN..... 52.6 MINIMUM 0 OR BELOW... 0 HIGHEST DAILY... 86 ON SEP 1 LOWEST DAILY.... 38 ON SEP 21 ...DEGREE DAYS... HEATING COOLING MONTHLY TOTAL........... 113 41 DEPARTURE FROM NORMAL... -54 9 SEASONAL TOTAL.......... 166 577 DEPARTURE FROM NORMAL... -34 -105 ...PRECIPITATON DATA... TOTAL FOR THE MONTH..... 3.20 MEASURABLE PRECIP... 11 DEPARTURE FROM NORMAL... 0.48 ABOVE 0.10 INCH OR MORE... 5 TOTAL FOR THE YEAR......31.41 0.50 INCH OR MORE... 1 DEPARTURE FROM NORMAL... 7.91 ABOVE 1.00 INCH OR MORE... 1 GREATEST IN 24 HOURS.... 1.97 INCHES ON SEP 16 REMARKS...THE SEPTEMBER 1997 AVERAGE TEMPERATURE WAS WARMER THAN NORMAL BY ALMOST 2 DEGREES. HOWEVER...THE WETTER THAN NORMAL TREND THAT BEGAN IN LATE JUNE AND JULY CONTINUED INTO SEPTEMBER WITH THE DEPATURE FROM NORMAL FOR THE YEAR NOW NEAR 8 INCHES ABOVE NORMAL. A DAILY RAINFALL RECORD WAS BROKEN ON THE 16TH WHEN 1.97 INCHES OF RAIN FELL WHICH BROKE THE OLD RECORD OF 1.34 INCHES SET BACK IN 1933.