74 Nebraska Acjiuci lti ral Exp. Station Research Bil. 1(5 
Table 31 — Dates of the first hilling frost and of the first freez- 
ing temperatures at Lincoln , Nehr during 21 years , 1897 
to 1917 
Year 
Date of 
first killing 
frost 
First date with 
temperature of 
32 °F. or below 
Duration 
of freezing 
temperature 
Mean 
lemperature 
during period 
Minimum 
temperature 
during period 
1897 
Oct. 29 

Nov. 2 
(Hours) 
10 
(Degrees F .) 
30.0 
(Degrees F.) 
29 
1898 
Oct. 6 
Oct. 6 
3 
31.7 
31 
1899 
Sept. 29 
Sept. 29 
7 
29.3 
27 
1900 
Oct. 17 
Nov. 8 
14 
26.3 
21 
1901 
Sept. 18 
Sept. 18 
3 
31.7 
31 
1902 
Sept. 12 
Oct. 28 
6 
30.5 
29 
1903 
Oct. 27 
Oct. 27 
3 
31.7 
31 
1904 
Oct. 25 
Oct. 25 
3 
31.7 
31 
1905 
Oct. 20 
Oct. 20 
7 
31.0 
30 
1906 
Oct. 10 
Oct. 10 
10 
29.5 
26 
1907 
Oct. 12 
Oct. 12 
4 
31.0 
30 
1908 
Oct. 11 
Nov. 2 
5 
31.0 
30 
1909 
Oct. 12 
Oct. 12 
16 
28.0 
21 
1910 
Oct. 22 
Oct. 27 
12 
29.0 
26 
1911 
Oct. 20 
Nov. 1, 2 and 3 
58 
23.6 
12 
1912 
Sept. 30 
Oct. 22 
6 
31.3 
30 
1913 
Oct. 20 
Oct. 20 
14 
27.0 
23 
1914 
Oct. 27 
Oct. 27 
13 
28.0 
24 
1915 
Oct. 9 
Oct. 9 
3 
31.3 
30 
1916 
Sept. 29 
Sept. 29 
5 
31.0 
30 
1917 
Oct. 8 
Oct. 8 
9 
27.7 
24 
Av’ge 
Oct. 12 
Oct. 18 
10 
29.6 
27 
SEPT. 26 
Fig. 14 — Average date of the first killing frost in autumn. By G. A. 
Loveland 
