Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Detention River. 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 Detention River, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
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Feb
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Mar
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Apr
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May
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Jun
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Jul
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Aug
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Sep
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Oct
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Nov
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Dec
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Which Years Hold Standing Records
0 standing records
0 records at Detention River still stand.
Standing records at Detention River by the year they were set
Year set
Standing records
Wettest Day of Each Month
Apr: 97.2 mm (3.8 in)
The wettest day on record for each calendar month at Detention River. The most was 97.2 mm (3.8 in) on 28 April 1974.
Record daily precipitation for each month at Detention River
Yearly extremes at Detention River: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Wettest day (Rx1day)
97.2 mm (3.8 in)
1974
45.6 mm (1.8 in)
38
Wettest five days (Rx5day)
156.8 mm (6.2 in)
1936
83.9 mm (3.3 in)
38
Longest dry spell (CDD)
38 days
1919
18 days
38
Wettest day (Rx1day)
The wettest day of the year at Detention River, 1919 to 1980. The record is 97.2 mm (3.8 in) in 1974, marked on the chart; the median year is 45.6 mm (1.8 in).
Wettest day (Rx1day) at Detention River by year
Year
Wettest day (Rx1day)
1919
59.7 mm (2.4 in)
1920
39.1 mm (1.5 in)
1921
37.8 mm (1.5 in)
1922
44.5 mm (1.8 in)
1923
41.4 mm (1.6 in)
1924
45.0 mm (1.8 in)
1925
38.9 mm (1.5 in)
1926
46.5 mm (1.8 in)
1927
48.3 mm (1.9 in)
1928
56.6 mm (2.2 in)
1929
38.1 mm (1.5 in)
1930
80.0 mm (3.1 in)
1931
87.9 mm (3.5 in)
1932
45.7 mm (1.8 in)
1933
66.5 mm (2.6 in)
1934
45.0 mm (1.8 in)
1935
51.1 mm (2.0 in)
1936
66.3 mm (2.6 in)
1937
50.8 mm (2.0 in)
1938
64.8 mm (2.6 in)
1939
50.8 mm (2.0 in)
1940
40.4 mm (1.6 in)
1965
17.0 mm (0.7 in)
1966
57.2 mm (2.3 in)
1967
31.0 mm (1.2 in)
1968
41.4 mm (1.6 in)
1969
56.9 mm (2.2 in)
1970
30.0 mm (1.2 in)
1971
43.2 mm (1.7 in)
1972
37.3 mm (1.5 in)
1973
71.1 mm (2.8 in)
1974
97.2 mm (3.8 in)
1975
41.8 mm (1.6 in)
1976
40.0 mm (1.6 in)
1977
88.6 mm (3.5 in)
1978
45.4 mm (1.8 in)
1979
58.2 mm (2.3 in)
1980
37.0 mm (1.5 in)
Wettest five days (Rx5day)
The wettest five days of the year at Detention River, 1919 to 1980. The record is 156.8 mm (6.2 in) in 1936, marked on the chart; the median year is 83.9 mm (3.3 in).
Wettest five days (Rx5day) at Detention River by year
Year
Wettest five days (Rx5day)
1919
67.8 mm (2.7 in)
1920
67.4 mm (2.7 in)
1921
65.8 mm (2.6 in)
1922
72.6 mm (2.9 in)
1923
118.7 mm (4.7 in)
1924
88.7 mm (3.5 in)
1925
50.0 mm (2.0 in)
1926
77.7 mm (3.1 in)
1927
56.1 mm (2.2 in)
1928
113.7 mm (4.5 in)
1929
78.0 mm (3.1 in)
1930
81.0 mm (3.2 in)
1931
131.1 mm (5.2 in)
1932
92.4 mm (3.6 in)
1933
106.1 mm (4.2 in)
1934
100.6 mm (4.0 in)
1935
110.0 mm (4.3 in)
1936
156.8 mm (6.2 in)
1937
100.1 mm (3.9 in)
1938
101.4 mm (4.0 in)
1939
81.5 mm (3.2 in)
1940
65.6 mm (2.6 in)
1965
29.5 mm (1.2 in)
1966
88.9 mm (3.5 in)
1967
73.2 mm (2.9 in)
1968
101.1 mm (4.0 in)
1969
120.7 mm (4.8 in)
1970
83.9 mm (3.3 in)
1971
77.0 mm (3.0 in)
1972
81.8 mm (3.2 in)
1973
109.7 mm (4.3 in)
1974
146.2 mm (5.8 in)
1975
73.6 mm (2.9 in)
1976
64.8 mm (2.6 in)
1977
134.6 mm (5.3 in)
1978
83.8 mm (3.3 in)
1979
111.4 mm (4.4 in)
1980
63.6 mm (2.5 in)
Longest dry spell (CDD)
The longest dry spell of the year at Detention River, 1919 to 1980. The record is 38 days in 1919, marked on the chart; the median year is 18 days.
Longest dry spell (CDD) at Detention River by year
Year
Longest dry spell (CDD)
1919
38 days
1920
25 days
1921
17 days
1922
19 days
1923
28 days
1924
18 days
1925
16 days
1926
24 days
1927
25 days
1928
20 days
1929
11 days
1930
19 days
1931
12 days
1932
18 days
1933
20 days
1934
21 days
1935
19 days
1936
20 days
1937
15 days
1938
13 days
1939
22 days
1940
17 days
1965
6 days
1966
16 days
1967
30 days
1968
11 days
1969
11 days
1970
31 days
1971
22 days
1972
25 days
1973
13 days
1974
28 days
1975
17 days
1976
16 days
1977
12 days
1978
15 days
1979
13 days
1980
12 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.
Download the Data
Data for Detention River standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Detention River 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.