Record envelope, standing records and threshold days for Princeville (USC00117004), Illinois, United States, with 109 years of record.
Key Facts for Princeville
Princeville (USC00117004) is a weather station in Illinois, United States at 40.93 latitude and -89.76 longitude, 229 m (750 ft) above sea level.
The station reports from 1905 to 2013, 109 years of record.
1,464 records set at Princeville still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Princeville set a daily record precipitation of 22.9 mm (0.9 in) on 22 August 2013.
About the Station
Location: Illinois, United States, 40.93 latitude, -89.76 longitude.
Elevation: 229 m (750 ft).
Period of record: 1905 to 2013, 109 years.
Eligible elements: tmax, tmin, prcp, snow, snwd.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Princeville. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Princeville, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
18.9 C (66.0 F)
-31.7 C (-25.1 F)
n/a
n/a
Feb
22.2 C (72.0 F)
-32.8 C (-27.0 F)
n/a
n/a
Mar
30.6 C (87.1 F)
-22.2 C (-8.0 F)
n/a
n/a
Apr
33.9 C (93.0 F)
-15.0 C (5.0 F)
n/a
n/a
May
35.0 C (95.0 F)
-5.6 C (21.9 F)
n/a
n/a
Jun
38.3 C (100.9 F)
1.7 C (35.1 F)
n/a
n/a
Jul
40.0 C (104.0 F)
6.7 C (44.1 F)
n/a
n/a
Aug
40.6 C (105.1 F)
2.2 C (36.0 F)
n/a
n/a
Sep
37.2 C (99.0 F)
-3.3 C (26.1 F)
n/a
n/a
Oct
33.3 C (91.9 F)
-11.1 C (12.0 F)
n/a
n/a
Nov
27.8 C (82.0 F)
-19.4 C (-2.9 F)
n/a
n/a
Dec
21.1 C (70.0 F)
-32.2 C (-26.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Princeville still stand. 1988 holds the most, with 54.
Standing records at Princeville by the year they were set
Year set
Standing records
1905
12
1962
18
1963
33
1964
34
1965
36
1966
26
1967
24
1968
28
1969
16
1970
28
1971
37
1972
28
1973
28
1974
28
1975
26
1976
21
1977
38
1978
17
1979
31
1980
18
1981
15
1982
32
1983
51
1984
32
1985
27
1986
31
1987
26
1988
54
1989
51
1990
28
1991
34
1992
35
1993
35
1994
24
1995
18
1996
43
1997
24
1998
23
1999
23
2000
38
2001
23
2002
34
2003
21
2004
21
2005
31
2006
33
2007
27
2008
18
2009
17
2010
16
2011
22
2012
30
All-Time Record Progression
4 new records
4 all-time records were set at Princeville between 20 June 1964 and 1 January 1999. Each dot is a new record.
When Princeville set new all-time records
Date
Kind
Detail
1964-06-20
Record daily precipitation
Record daily precipitation 138.7 mm (5.5 in)
1979-01-13
Record snow depth
Record snow depth 58.4 cm (23.0 in)
1979-01-23
Record snow depth
Record snow depth 61.0 cm (24.0 in)
1999-01-01
Record daily snowfall
Record daily snowfall 43.2 cm (17.0 in)
Wettest Day of Each Month
Jun: 138.7 mm (5.5 in)
The wettest day on record for each calendar month at Princeville. The most was 138.7 mm (5.5 in) on 20 June 1964.
Record daily precipitation for each month at Princeville
Month
Record daily precipitation (mm)
Date
Jan
127.0 mm (5.0 in)
20 January 2000
Feb
81.3 mm (3.2 in)
21 February 1997
Mar
76.7 mm (3.0 in)
4 March 1985
Apr
110.5 mm (4.4 in)
18 April 2013
May
116.8 mm (4.6 in)
13 May 1999
Jun
138.7 mm (5.5 in)
20 June 1964
Jul
123.2 mm (4.9 in)
22 July 1951
Aug
80.0 mm (3.1 in)
24 August 1989
Sep
88.9 mm (3.5 in)
28 September 1999
Oct
100.3 mm (3.9 in)
3 October 1986
Nov
71.4 mm (2.8 in)
19 November 1985
Dec
78.7 mm (3.1 in)
2 December 1982
Period of Record Coverage
1905 to 2012
Complete yearUnder 90 percent of days
52 years of record at Princeville, 1905 to 2012. 7 years have data for under 90 percent of days and are left out of rankings: 1905, 1962, 1963, 1964, 1966, 1967, 2012.
Cooler than the station meanWarmer than the station mean
One stripe for each of 40 complete years at Princeville, 1965 to 2011. Blue stripes are years cooler than the station's own mean of 9.7 C (49.5 F); red stripes are warmer. The coolest year was 1996, at 7.5 C (45.5 F), and the warmest was 1973, at 11.3 C (52.4 F). The strongest colour marks a difference of 2.3 C (4.1 F).
Annual mean temperature at Princeville as warming stripes, 1965 to 2011
Year
Annual mean temperature
Difference from the station mean
1965
10.7 C
+0.95 C
1968
10.5 C
+0.77 C
1969
9.9 C
+0.18 C
1970
10.3 C
+0.60 C
1971
11.1 C
+1.34 C
1972
9.7 C
-0.05 C
1973
11.3 C
+1.60 C
1974
10.7 C
+0.96 C
1975
10.6 C
+0.91 C
1976
9.8 C
+0.12 C
1977
10.5 C
+0.75 C
1978
8.9 C
-0.84 C
1979
8.4 C
-1.35 C
1980
10.1 C
+0.42 C
1981
9.7 C
+0.01 C
1982
8.6 C
-1.08 C
1983
9.7 C
+0.01 C
1984
9.6 C
-0.16 C
1985
8.3 C
-1.40 C
1986
9.2 C
-0.50 C
1987
9.7 C
+0.02 C
1988
8.8 C
-0.92 C
1989
7.8 C
-1.89 C
1991
10.1 C
+0.35 C
1992
9.0 C
-0.70 C
1993
7.8 C
-1.93 C
1994
8.5 C
-1.21 C
1995
8.2 C
-1.47 C
1996
7.5 C
-2.23 C
1997
9.3 C
-0.44 C
1999
10.8 C
+1.07 C
2001
10.6 C
+0.90 C
2002
10.7 C
+1.03 C
2003
10.0 C
+0.26 C
2004
10.4 C
+0.67 C
2005
11.1 C
+1.42 C
2006
11.2 C
+1.47 C
2008
9.4 C
-0.30 C
2009
9.6 C
-0.14 C
2011
10.7 C
+0.95 C
The fitted trend in annual mean temperature here over 1965 to 2011 is -0.1 C (-0.3 to 0.2) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: -0.1 F (-0.6 to 0.4) per decade. The slope is a straight line fitted to 40 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Princeville
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
-0.1 C (-0.3 to 0.2) per decade
-0.1 F (-0.6 to 0.4) per decade
1965 to 2011
40
Not clearly different from zero
Mean daily maximum
0.2 C (-0.1 to 0.4) per decade
0.3 F (-0.1 to 0.6) per decade
1965 to 2011
40
Not clearly different from zero
Mean daily minimum
-0.3 C (-0.7 to 0.1) per decade
-0.5 F (-1.2 to 0.2) per decade
1965 to 2011
40
Not clearly different from zero
A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.
Extremes by Year
1905 to 2013
Yearly extremes at Princeville: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
40.6 C (105.1 F)
1988
35.0 C (95.0 F)
52
Coldest night (TNn)
-32.8 C (-27.0 F)
1905
-25.0 C (-13.0 F)
52
Wettest day (Rx1day)
138.7 mm (5.5 in)
1964
65.0 mm (2.6 in)
87
Wettest five days (Rx5day)
162.5 mm (6.4 in)
1993
92.3 mm (3.6 in)
87
Longest dry spell (CDD)
40 days
1956
23 days
87
Hottest day (TXx)
The hottest day of the year at Princeville, 1905 to 2013. The record is 40.6 C (105.1 F) in 1988, marked on the chart; the median year is 35.0 C (95.0 F).
Hottest day (TXx) at Princeville by year
Year
Hottest day (TXx)
1905
26.7 C (80.1 F)
1928
n/a
1929
n/a
1930
n/a
1931
n/a
1932
n/a
1933
n/a
1934
n/a
1935
n/a
1936
n/a
1937
n/a
1938
n/a
1939
n/a
1940
n/a
1941
n/a
1942
n/a
1943
n/a
1944
n/a
1945
n/a
1946
n/a
1947
n/a
1948
n/a
1949
n/a
1950
n/a
1951
n/a
1952
n/a
1953
n/a
1954
n/a
1955
n/a
1956
n/a
1957
n/a
1958
n/a
1959
n/a
1960
n/a
1961
n/a
1962
35.0 C (95.0 F)
1963
38.9 C (102.0 F)
1964
35.0 C (95.0 F)
1965
35.0 C (95.0 F)
1966
36.7 C (98.1 F)
1967
33.3 C (91.9 F)
1968
35.0 C (95.0 F)
1969
34.4 C (93.9 F)
1970
36.1 C (97.0 F)
1971
36.7 C (98.1 F)
1972
32.8 C (91.0 F)
1973
33.3 C (91.9 F)
1974
35.0 C (95.0 F)
1975
34.4 C (93.9 F)
1976
35.0 C (95.0 F)
1977
36.7 C (98.1 F)
1978
35.0 C (95.0 F)
1979
33.3 C (91.9 F)
1980
37.8 C (100.0 F)
1981
34.4 C (93.9 F)
1982
35.0 C (95.0 F)
1983
40.0 C (104.0 F)
1984
37.2 C (99.0 F)
1985
35.0 C (95.0 F)
1986
33.9 C (93.0 F)
1987
36.7 C (98.1 F)
1988
40.6 C (105.1 F)
1989
35.6 C (96.1 F)
1990
35.0 C (95.0 F)
1991
36.1 C (97.0 F)
1992
34.4 C (93.9 F)
1993
33.9 C (93.0 F)
1994
35.6 C (96.1 F)
1995
38.3 C (100.9 F)
1996
35.0 C (95.0 F)
1997
35.6 C (96.1 F)
1998
35.0 C (95.0 F)
1999
35.6 C (96.1 F)
2000
35.6 C (96.1 F)
2001
36.1 C (97.0 F)
2002
36.1 C (97.0 F)
2003
36.1 C (97.0 F)
2004
33.3 C (91.9 F)
2005
38.3 C (100.9 F)
2006
37.8 C (100.0 F)
2007
35.0 C (95.0 F)
2008
34.4 C (93.9 F)
2009
35.6 C (96.1 F)
2010
35.0 C (95.0 F)
2011
37.8 C (100.0 F)
2012
38.9 C (102.0 F)
2013
n/a
Coldest night (TNn)
The coldest night of the year at Princeville, 1905 to 2013. The record is -32.8 C (-27.0 F) in 1905, marked on the chart; the median year is -25.0 C (-13.0 F).
Coldest night (TNn) at Princeville by year
Year
Coldest night (TNn)
1905
-32.8 C (-27.0 F)
1928
n/a
1929
n/a
1930
n/a
1931
n/a
1932
n/a
1933
n/a
1934
n/a
1935
n/a
1936
n/a
1937
n/a
1938
n/a
1939
n/a
1940
n/a
1941
n/a
1942
n/a
1943
n/a
1944
n/a
1945
n/a
1946
n/a
1947
n/a
1948
n/a
1949
n/a
1950
n/a
1951
n/a
1952
n/a
1953
n/a
1954
n/a
1955
n/a
1956
n/a
1957
n/a
1958
n/a
1959
n/a
1960
n/a
1961
n/a
1962
-23.3 C (-9.9 F)
1963
-28.3 C (-18.9 F)
1964
-20.0 C (-4.0 F)
1965
-23.3 C (-9.9 F)
1966
-26.1 C (-15.0 F)
1967
-23.3 C (-9.9 F)
1968
-27.2 C (-17.0 F)
1969
-22.8 C (-9.0 F)
1970
-27.8 C (-18.0 F)
1971
-21.7 C (-7.1 F)
1972
-26.7 C (-16.1 F)
1973
-25.0 C (-13.0 F)
1974
-28.3 C (-18.9 F)
1975
-25.6 C (-14.1 F)
1976
-24.4 C (-11.9 F)
1977
-28.9 C (-20.0 F)
1978
-25.0 C (-13.0 F)
1979
-30.0 C (-22.0 F)
1980
-24.4 C (-11.9 F)
1981
-24.4 C (-11.9 F)
1982
-31.7 C (-25.1 F)
1983
-32.2 C (-26.0 F)
1984
-30.0 C (-22.0 F)
1985
-31.7 C (-25.1 F)
1986
-28.3 C (-18.9 F)
1987
-24.4 C (-11.9 F)
1988
-27.8 C (-18.0 F)
1989
-30.6 C (-23.1 F)
1990
-20.6 C (-5.1 F)
1991
-23.3 C (-9.9 F)
1992
-23.9 C (-11.0 F)
1993
-23.9 C (-11.0 F)
1994
-31.1 C (-24.0 F)
1995
-23.9 C (-11.0 F)
1996
-32.2 C (-26.0 F)
1997
-25.6 C (-14.1 F)
1998
-19.4 C (-2.9 F)
1999
-28.9 C (-20.0 F)
2000
-26.1 C (-15.0 F)
2001
-21.7 C (-7.1 F)
2002
-22.2 C (-8.0 F)
2003
-23.9 C (-11.0 F)
2004
-24.4 C (-11.9 F)
2005
-23.3 C (-9.9 F)
2006
-21.1 C (-6.0 F)
2007
-23.9 C (-11.0 F)
2008
-25.0 C (-13.0 F)
2009
-30.0 C (-22.0 F)
2010
-25.6 C (-14.1 F)
2011
-23.9 C (-11.0 F)
2012
-14.4 C (6.1 F)
2013
n/a
Wettest day (Rx1day)
The wettest day of the year at Princeville, 1905 to 2013. The record is 138.7 mm (5.5 in) in 1964, marked on the chart; the median year is 65.0 mm (2.6 in).
Wettest day (Rx1day) at Princeville by year
Year
Wettest day (Rx1day)
1905
41.4 mm (1.6 in)
1928
35.6 mm (1.4 in)
1929
70.1 mm (2.8 in)
1930
64.8 mm (2.6 in)
1931
66.3 mm (2.6 in)
1932
43.7 mm (1.7 in)
1933
55.9 mm (2.2 in)
1934
36.8 mm (1.4 in)
1935
81.0 mm (3.2 in)
1936
77.5 mm (3.1 in)
1937
34.0 mm (1.3 in)
1938
75.4 mm (3.0 in)
1939
43.2 mm (1.7 in)
1940
32.3 mm (1.3 in)
1941
64.3 mm (2.5 in)
1942
71.4 mm (2.8 in)
1943
40.9 mm (1.6 in)
1944
52.6 mm (2.1 in)
1945
66.0 mm (2.6 in)
1946
72.6 mm (2.9 in)
1947
70.6 mm (2.8 in)
1948
64.8 mm (2.6 in)
1949
55.9 mm (2.2 in)
1950
90.2 mm (3.6 in)
1951
123.2 mm (4.9 in)
1952
55.6 mm (2.2 in)
1953
49.8 mm (2.0 in)
1954
66.0 mm (2.6 in)
1955
62.0 mm (2.4 in)
1956
72.9 mm (2.9 in)
1957
65.5 mm (2.6 in)
1958
79.8 mm (3.1 in)
1959
54.9 mm (2.2 in)
1960
53.6 mm (2.1 in)
1961
84.1 mm (3.3 in)
1962
43.2 mm (1.7 in)
1963
49.5 mm (1.9 in)
1964
138.7 mm (5.5 in)
1965
48.8 mm (1.9 in)
1966
49.5 mm (1.9 in)
1967
66.0 mm (2.6 in)
1968
97.0 mm (3.8 in)
1969
61.2 mm (2.4 in)
1970
85.1 mm (3.4 in)
1971
43.2 mm (1.7 in)
1972
90.9 mm (3.6 in)
1973
65.0 mm (2.6 in)
1974
74.9 mm (2.9 in)
1975
57.7 mm (2.3 in)
1976
43.7 mm (1.7 in)
1977
71.1 mm (2.8 in)
1978
64.5 mm (2.5 in)
1979
62.2 mm (2.4 in)
1980
40.1 mm (1.6 in)
1981
67.1 mm (2.6 in)
1982
82.6 mm (3.3 in)
1983
70.9 mm (2.8 in)
1984
76.2 mm (3.0 in)
1985
76.7 mm (3.0 in)
1986
100.3 mm (3.9 in)
1987
49.0 mm (1.9 in)
1988
34.5 mm (1.4 in)
1989
80.0 mm (3.1 in)
1990
95.0 mm (3.7 in)
1991
51.3 mm (2.0 in)
1992
113.0 mm (4.4 in)
1993
106.7 mm (4.2 in)
1994
39.1 mm (1.5 in)
1995
78.2 mm (3.1 in)
1996
95.3 mm (3.8 in)
1997
81.3 mm (3.2 in)
1998
44.7 mm (1.8 in)
1999
116.8 mm (4.6 in)
2000
127.0 mm (5.0 in)
2001
68.3 mm (2.7 in)
2002
80.0 mm (3.1 in)
2003
65.3 mm (2.6 in)
2004
62.0 mm (2.4 in)
2005
37.6 mm (1.5 in)
2006
54.4 mm (2.1 in)
2007
41.4 mm (1.6 in)
2008
82.6 mm (3.3 in)
2009
59.4 mm (2.3 in)
2010
59.7 mm (2.4 in)
2011
45.2 mm (1.8 in)
2012
62.7 mm (2.5 in)
2013
110.5 mm (4.4 in)
Wettest five days (Rx5day)
The wettest five days of the year at Princeville, 1905 to 2013. The record is 162.5 mm (6.4 in) in 1993, marked on the chart; the median year is 92.3 mm (3.6 in).
Wettest five days (Rx5day) at Princeville by year
Year
Wettest five days (Rx5day)
1905
52.3 mm (2.1 in)
1928
71.1 mm (2.8 in)
1929
115.6 mm (4.6 in)
1930
65.1 mm (2.6 in)
1931
73.6 mm (2.9 in)
1932
82.6 mm (3.3 in)
1933
94.0 mm (3.7 in)
1934
89.2 mm (3.5 in)
1935
106.2 mm (4.2 in)
1936
118.4 mm (4.7 in)
1937
55.7 mm (2.2 in)
1938
89.6 mm (3.5 in)
1939
68.6 mm (2.7 in)
1940
35.3 mm (1.4 in)
1941
108.7 mm (4.3 in)
1942
82.3 mm (3.2 in)
1943
83.0 mm (3.3 in)
1944
73.7 mm (2.9 in)
1945
92.5 mm (3.6 in)
1946
84.0 mm (3.3 in)
1947
70.6 mm (2.8 in)
1948
77.0 mm (3.0 in)
1949
75.0 mm (3.0 in)
1950
132.8 mm (5.2 in)
1951
125.2 mm (4.9 in)
1952
76.7 mm (3.0 in)
1953
90.4 mm (3.6 in)
1954
94.7 mm (3.7 in)
1955
88.8 mm (3.5 in)
1956
123.7 mm (4.9 in)
1957
85.5 mm (3.4 in)
1958
120.4 mm (4.7 in)
1959
104.6 mm (4.1 in)
1960
85.5 mm (3.4 in)
1961
142.3 mm (5.6 in)
1962
66.1 mm (2.6 in)
1963
62.7 mm (2.5 in)
1964
140.0 mm (5.5 in)
1965
98.6 mm (3.9 in)
1966
71.1 mm (2.8 in)
1967
86.6 mm (3.4 in)
1968
121.9 mm (4.8 in)
1969
117.4 mm (4.6 in)
1970
147.8 mm (5.8 in)
1971
45.5 mm (1.8 in)
1972
127.5 mm (5.0 in)
1973
122.0 mm (4.8 in)
1974
138.6 mm (5.5 in)
1975
94.8 mm (3.7 in)
1976
102.9 mm (4.1 in)
1977
116.8 mm (4.6 in)
1978
90.4 mm (3.6 in)
1979
84.5 mm (3.3 in)
1980
85.1 mm (3.4 in)
1981
131.1 mm (5.2 in)
1982
125.8 mm (5.0 in)
1983
92.3 mm (3.6 in)
1984
120.5 mm (4.7 in)
1985
110.8 mm (4.4 in)
1986
143.4 mm (5.6 in)
1987
57.4 mm (2.3 in)
1988
51.7 mm (2.0 in)
1989
103.2 mm (4.1 in)
1990
134.1 mm (5.3 in)
1991
113.3 mm (4.5 in)
1992
141.2 mm (5.6 in)
1993
162.5 mm (6.4 in)
1994
60.6 mm (2.4 in)
1995
132.6 mm (5.2 in)
1996
139.8 mm (5.5 in)
1997
103.1 mm (4.1 in)
1998
81.5 mm (3.2 in)
1999
144.8 mm (5.7 in)
2000
127.0 mm (5.0 in)
2001
76.5 mm (3.0 in)
2002
101.6 mm (4.0 in)
2003
69.1 mm (2.7 in)
2004
78.3 mm (3.1 in)
2005
69.1 mm (2.7 in)
2006
78.1 mm (3.1 in)
2007
84.8 mm (3.3 in)
2008
106.9 mm (4.2 in)
2009
107.1 mm (4.2 in)
2010
77.9 mm (3.1 in)
2011
85.6 mm (3.4 in)
2012
76.8 mm (3.0 in)
2013
134.4 mm (5.3 in)
Longest dry spell (CDD)
The longest dry spell of the year at Princeville, 1905 to 2013. The record is 40 days in 1956, marked on the chart; the median year is 23 days.
Longest dry spell (CDD) at Princeville by year
Year
Longest dry spell (CDD)
1905
24 days
1928
12 days
1929
13 days
1930
30 days
1931
25 days
1932
17 days
1933
30 days
1934
21 days
1935
17 days
1936
32 days
1937
15 days
1938
24 days
1939
25 days
1940
20 days
1941
21 days
1942
28 days
1943
27 days
1944
27 days
1945
21 days
1946
32 days
1947
32 days
1948
32 days
1949
21 days
1950
23 days
1951
12 days
1952
33 days
1953
23 days
1954
23 days
1955
15 days
1956
40 days
1957
29 days
1958
27 days
1959
22 days
1960
26 days
1961
15 days
1962
21 days
1963
27 days
1964
35 days
1965
22 days
1966
25 days
1967
28 days
1968
35 days
1969
27 days
1970
16 days
1971
31 days
1972
18 days
1973
17 days
1974
22 days
1975
14 days
1976
27 days
1977
18 days
1978
24 days
1979
38 days
1980
26 days
1981
24 days
1982
17 days
1983
27 days
1984
12 days
1985
16 days
1986
31 days
1987
30 days
1988
26 days
1989
24 days
1990
15 days
1991
15 days
1992
31 days
1993
22 days
1994
16 days
1995
29 days
1996
19 days
1997
15 days
1998
17 days
1999
38 days
2000
17 days
2001
16 days
2002
25 days
2003
20 days
2004
20 days
2005
24 days
2006
22 days
2007
16 days
2008
15 days
2009
27 days
2010
19 days
2011
16 days
2012
18 days
2013
14 days
Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.
Frost Dates and Growing Season
40 years with a frost
Across 40 years with a frost, the median last spring frost at Princeville falls on 27 April and the median first autumn frost on 6 October, which leaves a median of 162 days between them.
Fitted over all years, the growing season changes by -4.9 days per decade at this station.
Frost dates and growing season at Princeville
Measure
Median, all years
Earliest period
Recent period (1977 to 2011)
Recent against earliest
Fitted trend
Last spring frost
27 April
n/a
29 April
n/a
+2.3 days per decade
First autumn frost
6 October
n/a
4 October
n/a
-2.6 days per decade
Growing days
162 days
n/a
157 days
n/a
-4.9 days per decade
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Rainfall Return Levels
81 years, 1931 to 2012
A day with at least 63.6 mm (2.5 in) of rain is expected about once in 2 years. A day with at least 137.2 mm (5.4 in) of rain is expected about once in 100 years.
Rainfall return levels at Princeville: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
63.6 mm (2.5 in)
5 years
83.7 mm (3.3 in)
10 years
96.9 mm (3.8 in)
25 years
113.3 mm (4.5 in)
50 years
125.3 mm (4.9 in)
100 years
137.2 mm (5.4 in)
Longer than the 81 years of record
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 81 years of values from 1931 to 2012.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 138.7 mm (5.5 in) in 1964; 127.0 mm (5.0 in) in 2000; 123.2 mm (4.9 in) in 1951.
Station Changes
No change in the annual mean temperature of this station was found against its neighbours.
Download the Data
Data for Princeville standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Princeville threshold days by year: CSV or JSON. Field meanings are on the data page.
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.