Built 2026-10-15 (15 October 2026)

Ono Weather Records (USC00046455)

Record envelope, standing records and threshold days for Ono (USC00046455), California, United States, with 33 years of record.

Key Facts for Ono

  • Ono (USC00046455) is a weather station in California, United States at 40.48 latitude and -122.62 longitude, 298 m (978 ft) above sea level.
  • The station reports from 1952 to 1984, 33 years of record.
  • 0 records set at Ono still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: California, United States, 40.48 latitude, -122.62 longitude.
  • Elevation: 298 m (978 ft).
  • Period of record: 1952 to 1984, 33 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Ono, with 2026 drawn through them The band shows the record high and record low for each calendar day at Ono. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Ono. 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 Ono, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Juln/an/an/an/a
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Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Ono by the year they were set 0 records at Ono still stand. 00000000000
0 records at Ono still stand.
Standing records at Ono by the year they were set
Year setStanding records

Wettest Day of Each Month

Dec: 176.8 mm (7.0 in)
Record daily precipitation for each month at Ono The wettest day on record for each calendar month at Ono. The most was 176.8 mm (7.0 in) on 22 December 1964. 050100150200 Jan: 102.9 mm (4.1 in), 11 January 1979 Jan Feb: 92.2 mm (3.6 in), 20 February 1956 Feb Mar: 77.0 mm (3.0 in), 18 March 1975 Mar Apr: 54.1 mm (2.1 in), 1 April 1978 Apr May: 47.0 mm (1.9 in), 10 May 1967 May Jun: 47.5 mm (1.9 in), 9 June 1970 Jun Jul: 26.2 mm (1.0 in), 2 July 1978 Jul Aug: 41.1 mm (1.6 in), 15 August 1976 Aug Sep: 57.2 mm (2.3 in), 18 September 1959 Sep Oct: 102.4 mm (4.0 in), 30 October 1956 Oct Nov: 101.6 mm (4.0 in), 15 November 1965 Nov Dec: 176.8 mm (7.0 in), 22 December 1964 Dec
The wettest day on record for each calendar month at Ono. The most was 176.8 mm (7.0 in) on 22 December 1964.
Record daily precipitation for each month at Ono
MonthRecord daily precipitation (mm)Date
Jan102.9 mm (4.1 in)11 January 1979
Feb92.2 mm (3.6 in)20 February 1956
Mar77.0 mm (3.0 in)18 March 1975
Apr54.1 mm (2.1 in)1 April 1978
May47.0 mm (1.9 in)10 May 1967
Jun47.5 mm (1.9 in)9 June 1970
Jul26.2 mm (1.0 in)2 July 1978
Aug41.1 mm (1.6 in)15 August 1976
Sep57.2 mm (2.3 in)18 September 1959
Oct102.4 mm (4.0 in)30 October 1956
Nov101.6 mm (4.0 in)15 November 1965
Dec176.8 mm (7.0 in)22 December 1964

Latest Records

0

No records were set at this station in the latest data.

Extremes by Year

1952 to 1984
Yearly extremes at Ono: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)176.8 mm (7.0 in)196461.2 mm (2.4 in)33
Wettest five days (Rx5day)282.9 mm (11.1 in)1964144.3 mm (5.7 in)33
Longest dry spell (CDD)145 days196368 days33

Wettest day (Rx1day)

Wettest day (Rx1day) at Ono by year The wettest day of the year at Ono, 1952 to 1984. The record is 176.8 mm (7.0 in) in 1964, marked on the chart; the median year is 61.2 mm (2.4 in). 050100150200196019701980Record: 176.8 mm (7.0 in) in 1964
The wettest day of the year at Ono, 1952 to 1984. The record is 176.8 mm (7.0 in) in 1964, marked on the chart; the median year is 61.2 mm (2.4 in).
Wettest day (Rx1day) at Ono by year
YearWettest day (Rx1day)
195282.0 mm (3.2 in)
195351.8 mm (2.0 in)
195476.7 mm (3.0 in)
1955100.3 mm (3.9 in)
1956102.4 mm (4.0 in)
195779.0 mm (3.1 in)
195871.1 mm (2.8 in)
195957.2 mm (2.3 in)
196066.8 mm (2.6 in)
196156.4 mm (2.2 in)
196258.4 mm (2.3 in)
196354.1 mm (2.1 in)
1964176.8 mm (7.0 in)
1965101.6 mm (4.0 in)
196661.2 mm (2.4 in)
196756.6 mm (2.2 in)
196862.2 mm (2.4 in)
196975.7 mm (3.0 in)
197071.1 mm (2.8 in)
197158.4 mm (2.3 in)
197239.4 mm (1.6 in)
197355.9 mm (2.2 in)
197454.6 mm (2.1 in)
197583.3 mm (3.3 in)
197655.9 mm (2.2 in)
197758.4 mm (2.3 in)
197854.1 mm (2.1 in)
1979102.9 mm (4.1 in)
198041.9 mm (1.6 in)
1981114.3 mm (4.5 in)
198249.8 mm (2.0 in)
198375.7 mm (3.0 in)
198418.5 mm (0.7 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Ono by year The wettest five days of the year at Ono, 1952 to 1984. The record is 282.9 mm (11.1 in) in 1964, marked on the chart; the median year is 144.3 mm (5.7 in). 0100200300196019701980Record: 282.9 mm (11.1 in) in 1964
The wettest five days of the year at Ono, 1952 to 1984. The record is 282.9 mm (11.1 in) in 1964, marked on the chart; the median year is 144.3 mm (5.7 in).
Wettest five days (Rx5day) at Ono by year
YearWettest five days (Rx5day)
1952161.2 mm (6.3 in)
1953105.6 mm (4.2 in)
1954115.2 mm (4.5 in)
1955207.5 mm (8.2 in)
1956155.7 mm (6.1 in)
1957151.4 mm (6.0 in)
1958139.2 mm (5.5 in)
1959143.6 mm (5.7 in)
1960157.5 mm (6.2 in)
1961166.9 mm (6.6 in)
196299.5 mm (3.9 in)
1963144.3 mm (5.7 in)
1964282.9 mm (11.1 in)
1965219.5 mm (8.6 in)
1966124.6 mm (4.9 in)
1967140.7 mm (5.5 in)
1968132.0 mm (5.2 in)
1969165.4 mm (6.5 in)
1970205.4 mm (8.1 in)
197185.1 mm (3.4 in)
1972106.0 mm (4.2 in)
1973121.5 mm (4.8 in)
1974162.2 mm (6.4 in)
1975150.6 mm (5.9 in)
197695.8 mm (3.8 in)
1977134.8 mm (5.3 in)
1978157.0 mm (6.2 in)
1979168.2 mm (6.6 in)
198054.4 mm (2.1 in)
1981165.1 mm (6.5 in)
1982109.7 mm (4.3 in)
1983196.6 mm (7.7 in)
198467.8 mm (2.7 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Ono by year The longest dry spell of the year at Ono, 1952 to 1984. The record is 145 days in 1963, marked on the chart; the median year is 68 days. 050100150196019701980Record: 145 days in 1963
The longest dry spell of the year at Ono, 1952 to 1984. The record is 145 days in 1963, marked on the chart; the median year is 68 days.
Longest dry spell (CDD) at Ono by year
YearLongest dry spell (CDD)
195242 days
195380 days
195473 days
195571 days
1956110 days
195774 days
195860 days
1959100 days
196068 days
196139 days
196253 days
1963145 days
196482 days
196580 days
1966139 days
196773 days
196855 days
196969 days
197063 days
197159 days
197211 days
197323 days
1974110 days
197572 days
197694 days
197755 days
197864 days
197985 days
198047 days
198117 days
198228 days
198335 days
198420 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 Ono standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Ono 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.

Data as of . Last revised (2025-12-31).