The standard 30-year normal is May 21, Julian Day 141.
The average for the last 10 years, 1998-2007 is Julian Day 125 or 16 days earlier than normal.
Year 2007, April 29, Julian Day 119; 22 days earlier than normal.

NOTE:  Julian Day =  Day of the year, for example,
March 26 is the 85th day of the calendar year, or Julian Day 85.
May 1 is the 121st day of the year, or Julian Day 121.


Lincoln, Nebraska
First 90 degrees F. or higher.
Listed chronologically from 1887 to 2007
Year
Month
Day
Julian
Day
Year
Month
Day
Julian
Day
1887
May 
1
121
1948
May 
20
140
1888
June 
15
166
1949
May 
3
123
1889
June 
18
169
1950
May 
23
143
1890
June 
23
174
1951
May 
31
151
1891
April
29
119
1952
May 
4
124
1892
June 
10
161
1953
May 
24
144
1893
April
6
96
1954
May 
23
143
1894
April
28
118
1955
May 
6
126
1895
March
28
87
1956
April
1
91
1896
April
10
100
1957
June 
5
156
1897
June 
13
164
1958
June 
3
154
1898
June 
2
153
1959
May 
1
121
1899
June 
12
163
1960
June 
3
154
1900
June 
6
157
1961
June 
10
161
1901
April
26
116
1962
May 
7
127
1902
April
20
110
1963
May 
8
128
1903
June 
29
180
1964
April
16
106
1904
June 
23
174
1965
April
30
120
1905
June 
3
154
1966
May 
5
125
1906
April
24
114
1967
May 
18
138
1907
March
25
84
1968
May 
1
121
1908
June 
21
172
1969
May 
28
148
1909
May 
5
125
1970
April
28
118
1910
March
22
81
1971
June 
16
167
1911
May 
10
130
1972
April
6
96
1912
May 
19
139
1973
May 
21
141
1913
May 
28
148
1974
June 
14
165
1914
May 
24
144
1975
May 
19
139
1915
April
28
118
1976
June 
10
161
1916
May 
6
126
1977
May 
16
136
1917
May 
18
138
1978
June 
11
162
1918
May 
8
128
1979
May 
28
148
1919
June 
19
170
1980
April
21
111
1920
June 
7
158
1981
June 
5
156
1921
May 
20
140
1982
June 
6
157
1922
June 
8
159
1983
May 
27
147
1923
June 
17
168
1984
June 
7
158
1924
April
15
105
1985
June 
8
159
1925
May 
20
140
1986
June 
1
152
1926
May
23
143
1987
April
19
109
1927
June 
8
159
1988
May 
14
134
1928
May 
2
122
1989
April
21
111
1929
April
4
94
1990
June 
11
162
1930
April
10
100
1991
May 
28
148
1931
May 
26
146
1992
April
30
120
1932
May 
13
133
1993
June 
16
167
1933
May 
19
139
1994
April
18
108
1934
May 
6
126
1995
June 
16
167
1935
June 
24
175
1996
April
11
101
1936
May 
5
125
1997
May 
16
136
1937
May 
28
148
1998
May 
18
138
1938
June 
5
156
1999
June 
4
155
1939
May 
16
136
2000
May 
11
131
1940
April
14
104
2001
May 
1
121
1941
May 
14
134
2002
April
15
105
1942
May 
29
149
2003
April
1
91
1943
May 
29
149
2004
April
17
107
1944
May 
15
135
2005
May 
21
141
1945
June 
27
178
2006
May
19
139
1946
June 
6
157
2007
April
29
119
1947
June 
9
160
        
Year
Month
Day
Julian
Day
Year
Month
Day
Julian
Day

UNL
University of Nebraska-Lincoln
High Plains Regional Climate Center