Record envelope, standing records and threshold days for Jefferson (USC00354238), Oregon, United States, with 48 years of record.
Key Facts for Jefferson
Jefferson (USC00354238) is a weather station in Oregon, United States at 44.72 latitude and -123.01 longitude, 67 m (220 ft) above sea level.
The station reports from 1907 to 1954, 48 years of record.
0 records set at Jefferson still stand.
Records are tracked for prcp: an element needs 30 years of data to be eligible.
Jefferson set a daily record precipitation of 33.5 mm (1.3 in) on 28 January 1954.
About the Station
Location: Oregon, United States, 44.72 latitude, -123.01 longitude.
Elevation: 67 m (220 ft).
Period of record: 1907 to 1954, 48 years.
Eligible elements: 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 Jefferson. 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 Jefferson, 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 Jefferson still stand.
Standing records at Jefferson by the year they were set
Year set
Standing records
Wettest Day of Each Month
Jan: 101.6 mm (4.0 in)
The wettest day on record for each calendar month at Jefferson. The most was 101.6 mm (4.0 in) on 18 January 1911.
Record daily precipitation for each month at Jefferson
Yearly extremes at Jefferson: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Wettest day (Rx1day)
101.6 mm (4.0 in)
1911
47.4 mm (1.9 in)
48
Wettest five days (Rx5day)
177.8 mm (7.0 in)
1921
106.3 mm (4.2 in)
48
Longest dry spell (CDD)
86 days
1910
24 days
48
Wettest day (Rx1day)
The wettest day of the year at Jefferson, 1907 to 1954. The record is 101.6 mm (4.0 in) in 1911, marked on the chart; the median year is 47.4 mm (1.9 in).
Wettest day (Rx1day) at Jefferson by year
Year
Wettest day (Rx1day)
1907
53.1 mm (2.1 in)
1908
43.2 mm (1.7 in)
1909
54.6 mm (2.1 in)
1910
37.6 mm (1.5 in)
1911
101.6 mm (4.0 in)
1912
38.9 mm (1.5 in)
1913
51.3 mm (2.0 in)
1914
46.7 mm (1.8 in)
1915
39.4 mm (1.6 in)
1916
36.8 mm (1.4 in)
1917
82.6 mm (3.3 in)
1918
38.9 mm (1.5 in)
1919
61.0 mm (2.4 in)
1920
44.5 mm (1.8 in)
1921
76.2 mm (3.0 in)
1922
50.8 mm (2.0 in)
1923
41.9 mm (1.6 in)
1924
33.0 mm (1.3 in)
1925
35.6 mm (1.4 in)
1926
62.7 mm (2.5 in)
1927
41.1 mm (1.6 in)
1928
62.2 mm (2.4 in)
1929
55.9 mm (2.2 in)
1930
32.5 mm (1.3 in)
1931
38.1 mm (1.5 in)
1932
36.8 mm (1.4 in)
1933
68.6 mm (2.7 in)
1934
52.1 mm (2.1 in)
1935
55.9 mm (2.2 in)
1936
36.1 mm (1.4 in)
1937
61.0 mm (2.4 in)
1938
47.2 mm (1.9 in)
1939
62.2 mm (2.4 in)
1940
50.0 mm (2.0 in)
1941
57.7 mm (2.3 in)
1942
45.7 mm (1.8 in)
1943
53.6 mm (2.1 in)
1944
24.4 mm (1.0 in)
1945
42.9 mm (1.7 in)
1946
47.5 mm (1.9 in)
1947
58.9 mm (2.3 in)
1948
61.0 mm (2.4 in)
1949
56.4 mm (2.2 in)
1950
63.5 mm (2.5 in)
1951
40.6 mm (1.6 in)
1952
32.5 mm (1.3 in)
1953
39.6 mm (1.6 in)
1954
36.8 mm (1.4 in)
Wettest five days (Rx5day)
The wettest five days of the year at Jefferson, 1907 to 1954. The record is 177.8 mm (7.0 in) in 1921, marked on the chart; the median year is 106.3 mm (4.2 in).
Wettest five days (Rx5day) at Jefferson by year
Year
Wettest five days (Rx5day)
1907
115.6 mm (4.6 in)
1908
80.7 mm (3.2 in)
1909
124.3 mm (4.9 in)
1910
135.2 mm (5.3 in)
1911
172.4 mm (6.8 in)
1912
83.1 mm (3.3 in)
1913
79.6 mm (3.1 in)
1914
81.4 mm (3.2 in)
1915
103.3 mm (4.1 in)
1916
99.8 mm (3.9 in)
1917
142.2 mm (5.6 in)
1918
81.3 mm (3.2 in)
1919
144.0 mm (5.7 in)
1920
85.6 mm (3.4 in)
1921
177.8 mm (7.0 in)
1922
84.5 mm (3.3 in)
1923
126.2 mm (5.0 in)
1924
133.4 mm (5.3 in)
1925
79.0 mm (3.1 in)
1926
135.0 mm (5.3 in)
1927
102.9 mm (4.1 in)
1928
131.8 mm (5.2 in)
1929
163.2 mm (6.4 in)
1930
64.0 mm (2.5 in)
1931
86.3 mm (3.4 in)
1932
94.7 mm (3.7 in)
1933
132.9 mm (5.2 in)
1934
106.9 mm (4.2 in)
1935
76.5 mm (3.0 in)
1936
118.4 mm (4.7 in)
1937
174.8 mm (6.9 in)
1938
149.3 mm (5.9 in)
1939
103.6 mm (4.1 in)
1940
92.7 mm (3.6 in)
1941
123.2 mm (4.9 in)
1942
105.6 mm (4.2 in)
1943
117.7 mm (4.6 in)
1944
51.9 mm (2.0 in)
1945
83.1 mm (3.3 in)
1946
100.3 mm (3.9 in)
1947
167.4 mm (6.6 in)
1948
124.6 mm (4.9 in)
1949
160.2 mm (6.3 in)
1950
147.2 mm (5.8 in)
1951
102.6 mm (4.0 in)
1952
92.6 mm (3.6 in)
1953
103.9 mm (4.1 in)
1954
110.7 mm (4.4 in)
Longest dry spell (CDD)
The longest dry spell of the year at Jefferson, 1907 to 1954. The record is 86 days in 1910, marked on the chart; the median year is 24 days.
Longest dry spell (CDD) at Jefferson by year
Year
Longest dry spell (CDD)
1907
27 days
1908
16 days
1909
21 days
1910
86 days
1911
64 days
1912
22 days
1913
18 days
1914
73 days
1915
56 days
1916
24 days
1917
74 days
1918
63 days
1919
35 days
1920
24 days
1921
31 days
1922
62 days
1923
13 days
1924
14 days
1925
24 days
1926
13 days
1927
9 days
1928
14 days
1929
15 days
1930
13 days
1931
18 days
1932
13 days
1933
16 days
1934
19 days
1935
18 days
1936
25 days
1937
10 days
1938
13 days
1939
52 days
1940
49 days
1941
21 days
1942
42 days
1943
26 days
1944
63 days
1945
38 days
1946
42 days
1947
25 days
1948
19 days
1949
24 days
1950
31 days
1951
53 days
1952
46 days
1953
34 days
1954
5 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 Jefferson standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Jefferson 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.