EXPERIMENT STATION BULLETINS. 



499 



TABLE G DATES OF FROST AND THE AVERAGE LENGTH OF THE GROWING SEASON, 



UITER PENINSULA, FOR TEN YEARS OR MORE. 



Station 



BergUnd 



Calumet 



Chatham 



Deer Park 



Eagle Harbor 



Escanaba 



Ewen 



Grand Marais 



Houghton 



Humbalt 



Iron Mountain. . . 



Iron River 



Ironwood 



Ishpeming 



Manistique 



Maple Ridge 



Marquette 



Menominee 



Munising 



Newberry 



Powers 



St. Ignace 



Sault Ste. Marie . 



Sidnaw 



Whitefish 



County 



Ontonagon.. 

 Houghton. .. 



.'Vigor 



Luce 



Keweenaw.. 



Delta 



Ontonagon . . 



Alger 



Houghton... 

 Marquette. . 

 Dickins'jn... 



Iron 



Gogebic 



Marquette. . 

 Schoolcraft. . 



Delta 



Marquette. . 

 Menominee. 



-\lger 



Luce 



Menominee. 

 Mackinac. . . 

 Chippewa. . . 

 Houghton . . , 

 Chippewa. .. 



Average 

 date of 

 the last 



killing 

 frost in 



spring 



June 9 

 May 13 

 June 14 

 May 27 

 May 24 

 May 11 

 June 12 

 May 17 

 May 11 

 June 8 

 May 27 

 June 2 

 May 22 

 June 8 

 May 16 

 June 10 

 May 13 

 May 12 

 June 19 

 May 26 

 May 31 

 May 13 

 May 15 

 June 17 

 May 22 



Average 

 date of 

 the first 

 killing 

 frost in 

 autumn 



Sept. 6 

 Oct. 5 

 Sept. 3 

 Sept. 27 

 Oct. 14 

 Oct. 5 

 Aug. 29 

 Oct. 15 

 Oct. 9 

 Aug. 26 

 Sept. 26 

 Sept. 9 

 Sept. 23 

 Sept. 16 

 Sept. 20 

 Sept. 14 

 Oct. 6 

 Oct. 8 

 Sept. 19 

 Sept. 23 

 Sept. 11 

 Oct. 4 

 Sept. 30 

 Sept. 5 

 Sept. 13 



Average 

 length 

 of the 

 growing 

 season, 

 in days 



89 

 153 



81 

 123 

 143 

 147 



78 

 151 

 151 



79 

 123 



89 

 124 

 101 

 127 



97 

 147 

 149 



92 

 120 

 104 

 145 

 138 



80 

 144 



Latest 



date 



killing 



frost 



recorded 



in spring 



Jun 28 

 May 30 

 June 30 

 June 28 

 June 7 

 June 5 

 June 23 

 June 1 

 May 20 

 July 1 

 June 15 

 June 30 

 June 23 

 June 22 

 May 27 

 June 27 

 June 5 

 June 21 

 June 28 

 June 23 

 June 27 

 June 28 

 May 29 

 June 28 

 June 30 



Earliest 



date 



killing 



frost 



recorded 



in 

 autumn 



July 25 

 Sept. 10 

 July 16 

 Aug. 9 

 Sept. 13 

 Sept. 14 

 July 19 

 Sept. 12 

 Sept. 27 

 July 16 

 Sept. 5 

 July 21 

 Aug. 25 

 Aug. 4 

 Sept. 5 

 Aug. 30 

 Sept. 28 

 Sept. 16 

 Aug. 27 

 Aug. 27 

 July 19 

 Sept. 1 

 Sept. 5 

 Aug. 17 

 Sept. 21 



