1951-1980 STATISTICAL SUMMARY FOR MARQUETTE (CITY) DIVISION: WEST UPPER TOWN: 48N COUNTY: MARQUETTE RANGE: 25W LATITUDE: 46d 33m SECT.: 14 LONGITUDE: 87d 23m ELEV.: 0665 ft FIRST FALL TEMPERATURE (F) THRESHOLD DATES -------------------------------------------------- TEMP 32 28 24 20 16 YEARS 30 30 30 30 30 MEAN 10/18 11/01 11/09 11/19 11/27 S DEV 11.13 12.62 10.55 9.18 12.35 -------------------------------------------------- PROBABILITY DATES BASED ON % THE NORMAL DISTRIBUTION FIRST 9/26 10/05 10/18 11/01 11/01 1 9/22 10/03 10/15 10/29 10/29 5 9/30 10/11 10/23 11/04 11/07 10 10/04 10/16 10/26 11/07 11/11 20 10/09 10/21 10/31 11/11 11/17 25 10/10 10/23 11/02 11/13 11/19 30 10/12 10/25 11/03 11/14 11/21 40 10/15 10/29 11/06 11/17 11/24 -------------------------------------------------- 50 10/18 11/01 11/09 11/19 11/27 -------------------------------------------------- 60 10/21 11/04 11/12 11/21 11/30 70 10/24 11/08 11/15 11/24 12/03 75 10/26 11/10 11/16 11/25 12/05 80 10/27 11/12 11/18 11/27 12/07 90 11/01 11/17 11/23 12/01 12/13 95 11/05 11/22 11/26 12/04 12/17 99 11/13 11/30 12/04 12/10 12/26 LAST 11/07 11/24 11/27 12/08 12/23 -------------------------------------------------- TEMP = TEMPERATURE THRESHOLD YEARS = NUMBER OF YEARS S DEV = STANDARD DEVIATION