Record envelope, standing records and threshold days for Wooster 2 SE (USC00339322), Ohio, United States, with 46 years of record.
Key Facts for Wooster 2 SE
Wooster 2 SE (USC00339322) is a weather station in Ohio, United States at 40.78 latitude and -81.93 longitude, 336 m (1,102 ft) above sea level.
The station reports from 1914 to 1959, 46 years of record.
1,464 records set at Wooster 2 SE still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Wooster 2 SE tied a daily record high minimum temperature of 22.2 C (72.0 F) on 28 June 1959.
About the Station
Location: Ohio, United States, 40.78 latitude, -81.93 longitude.
Elevation: 336 m (1,102 ft).
Period of record: 1914 to 1959, 46 years.
Eligible elements: tmax, tmin, prcp.
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 Wooster 2 SE. 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 Wooster 2 SE, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
22.8 C (73.0 F)
-27.2 C (-17.0 F)
n/a
n/a
Feb
21.7 C (71.1 F)
-28.9 C (-20.0 F)
n/a
n/a
Mar
27.2 C (81.0 F)
-21.1 C (-6.0 F)
n/a
n/a
Apr
31.1 C (88.0 F)
-13.3 C (8.1 F)
n/a
n/a
May
33.9 C (93.0 F)
-3.9 C (25.0 F)
n/a
n/a
Jun
37.8 C (100.0 F)
1.1 C (34.0 F)
n/a
n/a
Jul
40.6 C (105.1 F)
5.6 C (42.1 F)
n/a
n/a
Aug
40.6 C (105.1 F)
2.8 C (37.0 F)
n/a
n/a
Sep
38.3 C (100.9 F)
-3.3 C (26.1 F)
n/a
n/a
Oct
33.3 C (91.9 F)
-9.4 C (15.1 F)
n/a
n/a
Nov
26.1 C (79.0 F)
-20.0 C (-4.0 F)
n/a
n/a
Dec
20.0 C (68.0 F)
-27.8 C (-18.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Wooster 2 SE still stand. 1930 holds the most, with 64.
Standing records at Wooster 2 SE by the year they were set
Year set
Standing records
1914
34
1915
35
1916
3
1917
52
1918
56
1919
23
1920
43
1921
28
1922
27
1923
23
1924
28
1925
35
1926
23
1927
40
1928
31
1929
41
1930
64
1931
35
1932
35
1933
44
1934
39
1935
25
1936
62
1937
23
1938
38
1939
40
1940
32
1941
32
1942
32
1943
24
1944
31
1945
26
1946
29
1947
25
1948
20
1949
29
1950
36
1951
39
1952
24
1953
26
1954
35
1955
22
1956
20
1957
20
1958
25
1959
10
All-Time Record Progression
1 new records
1 all-time records were set at Wooster 2 SE between 16 June 1946 and 16 June 1946. Each dot is a new record.
When Wooster 2 SE set new all-time records
Date
Kind
Detail
1946-06-16
Record daily precipitation
Record daily precipitation 117.1 mm (4.6 in)
Wettest Day of Each Month
Jun: 117.1 mm (4.6 in)
The wettest day on record for each calendar month at Wooster 2 SE. The most was 117.1 mm (4.6 in) on 16 June 1946.
Record daily precipitation for each month at Wooster 2 SE
Month
Record daily precipitation (mm)
Date
Jan
97.5 mm (3.8 in)
21 January 1959
Feb
54.1 mm (2.1 in)
25 February 1956
Mar
51.6 mm (2.0 in)
12 March 1939
Apr
47.0 mm (1.9 in)
29 April 1951
May
66.0 mm (2.6 in)
12 May 1923
Jun
117.1 mm (4.6 in)
16 June 1946
Jul
88.6 mm (3.5 in)
31 July 1958
Aug
103.6 mm (4.1 in)
7 August 1935
Sep
89.2 mm (3.5 in)
20 September 1957
Oct
70.6 mm (2.8 in)
15 October 1954
Nov
61.0 mm (2.4 in)
30 November 1927
Dec
35.3 mm (1.4 in)
17 December 1937
Period of Record Coverage
1914 to 1959
Complete yearUnder 90 percent of days
46 years of record at Wooster 2 SE, 1914 to 1959. 3 years have data for under 90 percent of days and are left out of rankings: 1914, 1916, 1959.
Cooler than the station meanWarmer than the station mean
One stripe for each of 40 complete years at Wooster 2 SE, 1917 to 1958. Blue stripes are years cooler than the station's own mean of 10.2 C (50.4 F); red stripes are warmer. The coolest year was 1917, at 8.0 C (46.4 F), and the warmest was 1938, at 11.8 C (53.2 F). The strongest colour marks a difference of 2.3 C (4.1 F).
Annual mean temperature at Wooster 2 SE as warming stripes, 1917 to 1958
Year
Annual mean temperature
Difference from the station mean
1917
8.0 C
-2.21 C
1918
10.2 C
-0.04 C
1919
10.5 C
+0.31 C
1920
9.4 C
-0.88 C
1921
11.6 C
+1.40 C
1922
10.7 C
+0.47 C
1923
10.0 C
-0.28 C
1924
8.7 C
-1.54 C
1926
9.2 C
-1.07 C
1927
10.4 C
+0.14 C
1928
10.3 C
+0.06 C
1929
9.7 C
-0.58 C
1930
10.9 C
+0.70 C
1931
11.7 C
+1.46 C
1932
10.9 C
+0.66 C
1933
11.2 C
+1.01 C
1934
10.7 C
+0.50 C
1935
10.2 C
-0.03 C
1936
10.4 C
+0.18 C
1937
10.1 C
-0.13 C
1938
11.8 C
+1.53 C
1939
11.4 C
+1.13 C
1940
9.3 C
-0.89 C
1941
10.8 C
+0.60 C
1942
10.4 C
+0.21 C
1943
9.3 C
-0.94 C
1944
10.1 C
-0.11 C
1945
9.5 C
-0.70 C
1946
10.5 C
+0.24 C
1947
9.6 C
-0.63 C
1949
11.2 C
+0.94 C
1950
9.3 C
-0.91 C
1951
9.7 C
-0.51 C
1952
10.5 C
+0.25 C
1953
11.1 C
+0.83 C
1954
10.6 C
+0.40 C
1955
10.4 C
+0.12 C
1956
9.9 C
-0.30 C
1957
10.3 C
+0.08 C
1958
8.7 C
-1.55 C
The fitted trend in annual mean temperature here over 1917 to 1958 is 0.02 C (-0.21 to 0.25) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.03 F (-0.38 to 0.44) 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 Wooster 2 SE
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.02 C (-0.21 to 0.25) per decade
0.03 F (-0.38 to 0.44) per decade
1917 to 1958
40
Not clearly different from zero
Mean daily maximum
-0.1 C (-0.4 to 0.2) per decade
-0.2 F (-0.6 to 0.3) per decade
1917 to 1958
40
Not clearly different from zero
Mean daily minimum
0.1 C (-0.1 to 0.3) per decade
0.2 F (-0.2 to 0.6) per decade
1917 to 1958
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
1914 to 1959
Yearly extremes at Wooster 2 SE: 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)
1918
35.6 C (96.1 F)
46
Coldest night (TNn)
-28.9 C (-20.0 F)
1918
-21.1 C (-6.0 F)
46
Wettest day (Rx1day)
117.1 mm (4.6 in)
1946
52.1 mm (2.1 in)
46
Wettest five days (Rx5day)
163.8 mm (6.4 in)
1946
74.2 mm (2.9 in)
46
Longest dry spell (CDD)
33 days
1953
17 days
46
Hottest day (TXx)
The hottest day of the year at Wooster 2 SE, 1914 to 1959. The record is 40.6 C (105.1 F) in 1918, marked on the chart; the median year is 35.6 C (96.1 F).
Hottest day (TXx) at Wooster 2 SE by year
Year
Hottest day (TXx)
1914
35.0 C (95.0 F)
1915
32.8 C (91.0 F)
1916
15.6 C (60.1 F)
1917
35.6 C (96.1 F)
1918
40.6 C (105.1 F)
1919
35.0 C (95.0 F)
1920
36.1 C (97.0 F)
1921
35.6 C (96.1 F)
1922
35.6 C (96.1 F)
1923
36.7 C (98.1 F)
1924
35.0 C (95.0 F)
1925
35.6 C (96.1 F)
1926
36.7 C (98.1 F)
1927
33.9 C (93.0 F)
1928
34.4 C (93.9 F)
1929
33.9 C (93.0 F)
1930
39.4 C (102.9 F)
1931
36.7 C (98.1 F)
1932
36.1 C (97.0 F)
1933
37.8 C (100.0 F)
1934
37.8 C (100.0 F)
1935
35.6 C (96.1 F)
1936
40.6 C (105.1 F)
1937
33.9 C (93.0 F)
1938
34.4 C (93.9 F)
1939
36.1 C (97.0 F)
1940
35.6 C (96.1 F)
1941
36.1 C (97.0 F)
1942
36.1 C (97.0 F)
1943
35.6 C (96.1 F)
1944
37.8 C (100.0 F)
1945
33.9 C (93.0 F)
1946
34.4 C (93.9 F)
1947
34.4 C (93.9 F)
1948
37.2 C (99.0 F)
1949
36.1 C (97.0 F)
1950
33.3 C (91.9 F)
1951
34.4 C (93.9 F)
1952
37.8 C (100.0 F)
1953
38.3 C (100.9 F)
1954
37.2 C (99.0 F)
1955
35.0 C (95.0 F)
1956
33.3 C (91.9 F)
1957
35.0 C (95.0 F)
1958
31.7 C (89.1 F)
1959
33.3 C (91.9 F)
Coldest night (TNn)
The coldest night of the year at Wooster 2 SE, 1914 to 1959. The record is -28.9 C (-20.0 F) in 1918, marked on the chart; the median year is -21.1 C (-6.0 F).
Coldest night (TNn) at Wooster 2 SE by year
Year
Coldest night (TNn)
1914
-21.1 C (-6.0 F)
1915
-23.9 C (-11.0 F)
1916
-20.6 C (-5.1 F)
1917
-27.8 C (-18.0 F)
1918
-28.9 C (-20.0 F)
1919
-19.4 C (-2.9 F)
1920
-20.0 C (-4.0 F)
1921
-12.8 C (9.0 F)
1922
-22.2 C (-8.0 F)
1923
-18.9 C (-2.0 F)
1924
-25.0 C (-13.0 F)
1925
-22.8 C (-9.0 F)
1926
-23.9 C (-11.0 F)
1927
-20.6 C (-5.1 F)
1928
-20.6 C (-5.1 F)
1929
-21.7 C (-7.1 F)
1930
-23.3 C (-9.9 F)
1931
-16.1 C (3.0 F)
1932
-23.3 C (-9.9 F)
1933
-22.2 C (-8.0 F)
1934
-26.1 C (-15.0 F)
1935
-20.0 C (-4.0 F)
1936
-26.1 C (-15.0 F)
1937
-15.6 C (3.9 F)
1938
-16.1 C (3.0 F)
1939
-18.3 C (-0.9 F)
1940
-25.0 C (-13.0 F)
1941
-16.1 C (3.0 F)
1942
-23.9 C (-11.0 F)
1943
-21.1 C (-6.0 F)
1944
-22.2 C (-8.0 F)
1945
-20.6 C (-5.1 F)
1946
-18.9 C (-2.0 F)
1947
-20.0 C (-4.0 F)
1948
-23.3 C (-9.9 F)
1949
-17.8 C (0.0 F)
1950
-24.4 C (-11.9 F)
1951
-23.9 C (-11.0 F)
1952
-14.4 C (6.1 F)
1953
-17.2 C (1.0 F)
1954
-17.2 C (1.0 F)
1955
-18.9 C (-2.0 F)
1956
-16.1 C (3.0 F)
1957
-21.1 C (-6.0 F)
1958
-24.4 C (-11.9 F)
1959
-22.8 C (-9.0 F)
Wettest day (Rx1day)
The wettest day of the year at Wooster 2 SE, 1914 to 1959. The record is 117.1 mm (4.6 in) in 1946, marked on the chart; the median year is 52.1 mm (2.1 in).
Wettest day (Rx1day) at Wooster 2 SE by year
Year
Wettest day (Rx1day)
1914
47.0 mm (1.9 in)
1915
54.9 mm (2.2 in)
1916
11.7 mm (0.5 in)
1917
28.4 mm (1.1 in)
1918
28.7 mm (1.1 in)
1919
89.7 mm (3.5 in)
1920
75.7 mm (3.0 in)
1921
62.0 mm (2.4 in)
1922
60.2 mm (2.4 in)
1923
66.0 mm (2.6 in)
1924
35.3 mm (1.4 in)
1925
76.2 mm (3.0 in)
1926
45.7 mm (1.8 in)
1927
61.0 mm (2.4 in)
1928
36.1 mm (1.4 in)
1929
73.2 mm (2.9 in)
1930
27.9 mm (1.1 in)
1931
41.7 mm (1.6 in)
1932
41.7 mm (1.6 in)
1933
48.8 mm (1.9 in)
1934
56.6 mm (2.2 in)
1935
103.6 mm (4.1 in)
1936
41.9 mm (1.6 in)
1937
44.5 mm (1.8 in)
1938
57.9 mm (2.3 in)
1939
51.6 mm (2.0 in)
1940
34.8 mm (1.4 in)
1941
65.8 mm (2.6 in)
1942
33.0 mm (1.3 in)
1943
43.4 mm (1.7 in)
1944
54.6 mm (2.1 in)
1945
59.2 mm (2.3 in)
1946
117.1 mm (4.6 in)
1947
95.5 mm (3.8 in)
1948
45.2 mm (1.8 in)
1949
52.1 mm (2.1 in)
1950
50.0 mm (2.0 in)
1951
52.1 mm (2.1 in)
1952
37.6 mm (1.5 in)
1953
33.3 mm (1.3 in)
1954
70.6 mm (2.8 in)
1955
50.0 mm (2.0 in)
1956
54.1 mm (2.1 in)
1957
89.2 mm (3.5 in)
1958
88.6 mm (3.5 in)
1959
97.5 mm (3.8 in)
Wettest five days (Rx5day)
The wettest five days of the year at Wooster 2 SE, 1914 to 1959. The record is 163.8 mm (6.4 in) in 1946, marked on the chart; the median year is 74.2 mm (2.9 in).
Wettest five days (Rx5day) at Wooster 2 SE by year
Year
Wettest five days (Rx5day)
1914
68.1 mm (2.7 in)
1915
71.2 mm (2.8 in)
1916
18.6 mm (0.7 in)
1917
61.0 mm (2.4 in)
1918
52.0 mm (2.0 in)
1919
98.8 mm (3.9 in)
1920
105.6 mm (4.2 in)
1921
75.0 mm (3.0 in)
1922
68.1 mm (2.7 in)
1923
88.2 mm (3.5 in)
1924
49.3 mm (1.9 in)
1925
81.0 mm (3.2 in)
1926
112.8 mm (4.4 in)
1927
102.7 mm (4.0 in)
1928
67.8 mm (2.7 in)
1929
107.3 mm (4.2 in)
1930
58.9 mm (2.3 in)
1931
70.5 mm (2.8 in)
1932
69.2 mm (2.7 in)
1933
73.9 mm (2.9 in)
1934
89.1 mm (3.5 in)
1935
142.5 mm (5.6 in)
1936
67.5 mm (2.7 in)
1937
95.2 mm (3.7 in)
1938
74.5 mm (2.9 in)
1939
59.3 mm (2.3 in)
1940
70.9 mm (2.8 in)
1941
75.9 mm (3.0 in)
1942
65.3 mm (2.6 in)
1943
59.2 mm (2.3 in)
1944
59.1 mm (2.3 in)
1945
72.6 mm (2.9 in)
1946
163.8 mm (6.4 in)
1947
121.7 mm (4.8 in)
1948
70.9 mm (2.8 in)
1949
82.5 mm (3.2 in)
1950
89.7 mm (3.5 in)
1951
67.0 mm (2.6 in)
1952
61.2 mm (2.4 in)
1953
52.4 mm (2.1 in)
1954
126.7 mm (5.0 in)
1955
78.9 mm (3.1 in)
1956
84.1 mm (3.3 in)
1957
112.0 mm (4.4 in)
1958
112.7 mm (4.4 in)
1959
108.2 mm (4.3 in)
Longest dry spell (CDD)
The longest dry spell of the year at Wooster 2 SE, 1914 to 1959. The record is 33 days in 1953, marked on the chart; the median year is 17 days.
Longest dry spell (CDD) at Wooster 2 SE by year
Year
Longest dry spell (CDD)
1914
20 days
1915
23 days
1916
4 days
1917
19 days
1918
19 days
1919
13 days
1920
23 days
1921
17 days
1922
25 days
1923
22 days
1924
12 days
1925
14 days
1926
15 days
1927
13 days
1928
13 days
1929
14 days
1930
11 days
1931
16 days
1932
15 days
1933
30 days
1934
21 days
1935
17 days
1936
17 days
1937
13 days
1938
21 days
1939
16 days
1940
13 days
1941
15 days
1942
15 days
1943
20 days
1944
16 days
1945
16 days
1946
18 days
1947
18 days
1948
18 days
1949
17 days
1950
12 days
1951
17 days
1952
15 days
1953
33 days
1954
15 days
1955
29 days
1956
18 days
1957
24 days
1958
18 days
1959
10 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 Wooster 2 SE falls on 5 May and the median first autumn frost on 8 October, which leaves a median of 156 days between them.
Fitted over all years, the growing season changes by +2.4 days per decade at this station.
Frost dates and growing season at Wooster 2 SE
Measure
Median, all years
Earliest period
Recent period (1928 to 1958)
Recent against earliest
Fitted trend
Last spring frost
5 May
n/a
5 May
n/a
-2.0 days per decade
First autumn frost
8 October
n/a
8 October
n/a
+0.4 days per decade
Growing days
156 days
n/a
158 days
n/a
+2.4 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
32 years, 1918 to 1958
A day with at least 51.9 mm (2.0 in) of rain is expected about once in 2 years. A day with at least 139.9 mm (5.5 in) of rain is expected about once in 100 years.
Rainfall return levels at Wooster 2 SE: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
51.9 mm (2.0 in)
5 years
71.5 mm (2.8 in)
10 years
85.9 mm (3.4 in)
25 years
106.0 mm (4.2 in)
50 years
122.4 mm (4.8 in)
Longer than the 32 years of record
100 years
139.9 mm (5.5 in)
Longer than the 32 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, 32 years of values from 1918 to 1958.
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: 117.1 mm (4.6 in) in 1946; 103.6 mm (4.1 in) in 1935; 95.5 mm (3.8 in) in 1947.
Station Changes
1 suspected
One change was suspected in the annual mean temperature of Wooster 2 SE, at 1940. Each is measured against neighbouring stations.
Relative to 5 neighbouring stations, the station's annual mean temperature from 1940 ran 0.2 C (0.3 F) lower than in the years before (possible change).
Suspected changes in the annual mean temperature at Wooster 2 SE, against neighbouring stations
Year
Shift (C)
Shift (F)
Strength
Neighbours
1940
-0.1
-0.3
possible
5
Possible change at the station (a move, a new instrument or a new site); the record is kept as measured. A "likely" change has a larger test statistic than a "possible" one. Neither says why the station differs from its neighbours. How changes are found, and the largest ones.
Download the Data
Data for Wooster 2 SE standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Wooster 2 SE 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.