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 LAST SPRING TEMPERATURE (F) THRESHOLD DATES -------------------------------------------------- TEMP 32 28 24 20 16 YEARS 30 30 30 30 30 MEAN 5/13 4/29 4/14 4/03 3/24 S DEV 12.56 11.47 10.55 10.20 11.88 -------------------------------------------------- PROBABILITY DATES BASED ON % THE NORMAL DISTRIBUTION FIRST 4/25 4/06 3/26 3/08 2/22 1 4/14 4/02 3/20 3/10 2/24 5 4/22 4/10 3/28 3/17 3/04 10 4/27 4/14 3/31 3/21 3/09 20 5/02 4/19 4/05 3/25 3/14 25 5/05 4/21 4/07 3/27 3/16 30 5/06 4/23 4/08 3/29 3/18 40 5/10 4/26 4/11 3/31 3/21 -------------------------------------------------- 50 5/13 4/29 4/14 4/03 3/24 -------------------------------------------------- 60 5/16 5/02 4/17 4/06 3/27 70 5/20 5/05 4/20 4/08 3/30 75 5/21 5/07 4/21 4/10 4/01 80 5/24 5/09 4/23 4/12 4/03 90 5/29 5/14 4/28 4/16 4/08 95 6/03 5/18 5/01 4/20 4/13 99 6/11 5/26 5/09 4/27 4/21 LAST 6/25 5/25 5/05 4/29 4/11 -------------------------------------------------- TEMP = TEMPERATURE THRESHOLD YEARS = NUMBER OF YEARS S DEV = STANDARD DEVIATION