October, 1999 Preliminary Local Climatological Data Sioux Falls, SD 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 41 29 35 -20 30 233 26 0 702 -42 0.26 0.26 0.08 2.7 2.7 7.3 M M 2 43 24 34 -21 31 264 47 0 702 -42 0 0.26 0.16 0.0 2.7 3.1 M M 3 50 34 42 -12 23 287 59 0 702 -42 0 0.26 0.24 0.0 2.7 6.4 M M 4 69 33 51 -3 14 301 62 0 702 -42 0 0.26 0.31 0.0 2.7 8.7 M M 5 69 36 53 0 12 313 62 0 702 -42 0 0.26 0.38 0.0 2.7 0.5 M M 6 74 35 55 2 10 323 60 0 702 -42 0 0.26 0.45 0.0 2.7 14.7 M M 7 78 57 68 15 0 323 48 3 705 -39 0.05 0.30 0.52 0.0 2.7 13.4 M M 8 73 42 58 6 7 330 42 0 705 -39 0.05 0.35 0.59 0.0 2.7 5.8 M M 9 81 41 61 9 4 334 33 0 705 -39 0 0.35 0.66 0.0 2.7 10.8 M M 10 68 39 54 3 11 345 30 0 705 -39 0 0.35 0.72 0.0 2.7 7.2 M M 11 70 33 52 1 13 358 29 0 705 -39 0 0.35 0.78 0.0 2.7 10.3 M M 12 69 45 57 6 8 366 23 0 705 -39 0 0.35 0.84 0.0 2.7 10.1 M M 13 56 39 48 -2 17 383 25 0 705 -39 0 0.35 0.90 0.0 2.7 8.7 M M 14 74 45 60 10 5 388 15 0 705 -39 0 0.35 0.96 0.0 2.7 11.8 M M 15 64 42 53 4 12 400 11 0 705 -39 0 0.35 1.02 0.0 2.7 13.7 M M 16 54 31 43 -6 22 422 17 0 705 -39 T 0.35 1.08 0.0 2.7 14.7 M M 17 50 27 39 -9 26 448 26 0 705 -39 0 0.35 1.13 0.0 2.7 8.3 M M 18 55 35 45 -3 20 468 29 0 705 -39 0.02 0.37 1.18 0.0 2.7 10.3 M M 19 46 24 35 -12 30 498 41 0 705 -39 T 0.37 1.23 0.0 2.7 9.1 M M 20 65 24 45 -2 20 518 43 0 705 -39 0 0.37 1.28 0.0 2.7 7.9 M M 21 71 37 54 7 11 529 36 0 705 -39 0 0.37 1.33 0.0 2.7 11.3 M M 22 51 32 42 -4 23 552 40 0 705 -39 0 0.37 1.38 0.0 2.7 14.4 M M 23 47 22 35 -11 30 582 51 0 705 -39 0 0.37 1.43 0.0 2.7 5.6 M M 24 64 19 42 -3 23 605 54 0 705 -39 0 0.37 1.48 0.0 2.7 10.8 M M 25 68 30 49 4 16 621 50 0 705 -39 0 0.37 1.53 0.0 2.7 8.1 M M 26 69 30 50 6 15 636 44 0 705 -39 0 0.37 1.58 0.0 2.7 5.6 M M 27 80 31 56 12 9 645 32 0 705 -39 0 0.37 1.62 0.0 2.7 11.6 M M 28 57 29 43 0 22 667 32 0 705 -39 0 0.37 1.66 0.0 2.7 10.1 M M 29 63 40 52 10 13 680 22 0 705 -39 T 0.37 1.70 0.0 2.7 9.5 M M 30 62 38 50 8 15 708 27 0 705 -39 0 0.37 1.74 0.0 2.7 7.5 M M 31 72 31 52 11 13 721 16 0 705 -39 0 0.37 1.78 0.0 2.7 10.8 M M Monthly Summary for October ...TEMPERATURE DATA... AVERAGE MAXIMUM: 63.0 AVERAGE MINIMUM: 34.0 ...PRECIPITATION DATA... AVERAGE MONTHLY: 48.5 TOTAL FOR MONTH: 0.37 DEPARTURE FROM NORMAL: -0.1 DEPARTURE FROM NORMAL: -1.41 GREATEST IN A DAY: 0.26 ON 1 HIGHEST: 81 ON 9 LOWEST: 19 ON 24 SNOWFALL, ICE PELLETS, HAIL TOTAL FOR MONTH: 2.7 INCHES MAX 32 OR BELOW: 0 GREATEST SNOWFALL IN A DAY: 2.7 ON 1 MAX 90 OR ABOVE: 0 GREATEST SNOW DEPTH: 0 ON MIN 32 OR BELOW: 14 MIN 0 OR BELOW: 0 ...WEATHER, DAYS WITH... ...HEATING DEGREE DAYS... 0.01 INCH OR MORE PRECIP: 4 0.10 INCH OR MORE PRECIP: 1 TOTAL THIS MONTH: 505 0.50 INCH OR MORE PRECIP: 0 DEPARTURE FROM NORMAL: -3 1.00 INCH OR MORE PRECIP: 0 SEASONAL TOTAL: 708 DEPARTURE FROM NORMAL: 3 CLEAR (SCALE 0-3): PARTLY CLOUDY (SCALE 4-7): CLOUDY (SCALE 8-10): ...COOLING DEGREE DAYS... TOTAL THIS MONTH: 3 ...PRESSURE DATA... DEPARTURE FROM NORMAL: 3 SEASONAL TOTAL: 705 HIGHEST SEA-LEVEL 30.45 ON 23 DEPARTURE FROM NORMAL: -39 LOWEST SEA-LEVEL 29.61 ON 15 ...WIND DATA... AVERAGE MONTHLY WIND SPEED: 9.5 MPH FASTEST 2-MINUTE WIND SPEED: 30 MPH FROM THE NORTH ON 27 PEAK WIND SPEED: 38 MPH FROM THE NORTH ON 15 ...END...