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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Fullerton Dam Weather Records (USC00043285)

Record envelope, standing records and threshold days for Fullerton Dam (USC00043285), California, United States, with 66 years of record.

Key Facts for Fullerton Dam

  • Fullerton Dam (USC00043285) is a weather station in California, United States at 33.90 latitude and -117.89 longitude, 104 m (340 ft) above sea level.
  • The station reports from 1948 to 2013, 66 years of record.
  • 0 records set at Fullerton Dam 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, 33.90 latitude, -117.89 longitude.
  • Elevation: 104 m (340 ft).
  • Period of record: 1948 to 2013, 66 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Fullerton Dam, with 2026 drawn through them The band shows the record high and record low for each calendar day at Fullerton Dam. 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 Fullerton Dam. 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 Fullerton Dam, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Which Years Hold Standing Records

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

Wettest Day of Each Month

Jan: 113.0 mm (4.4 in)
Record daily precipitation for each month at Fullerton Dam The wettest day on record for each calendar month at Fullerton Dam. The most was 113.0 mm (4.4 in) on 26 January 1956. 050100150 Jan: 113.0 mm (4.4 in), 26 January 1956 Jan Feb: 67.3 mm (2.6 in), 4 February 1958 Feb Mar: 53.6 mm (2.1 in), 16 March 1952 Mar Apr: 33.8 mm (1.3 in), 7 April 1958 Apr May: 24.1 mm (0.9 in), 9 May 1956 May Jun: 6.4 mm (0.25 in), 10 June 1957 Jun Jul: 0.0 mm (0.00 in), 1 July 1948 Jul Aug: 6.4 mm (0.25 in), 16 August 1958 Aug Sep: 9.7 mm (0.38 in), 24 September 1958 Sep Oct: 15.0 mm (0.6 in), 11 October 1957 Oct Nov: 41.1 mm (1.6 in), 16 November 1952 Nov Dec: 98.0 mm (3.9 in), 30 December 1951 Dec
The wettest day on record for each calendar month at Fullerton Dam. The most was 113.0 mm (4.4 in) on 26 January 1956.
Record daily precipitation for each month at Fullerton Dam
MonthRecord daily precipitation (mm)Date
Jan113.0 mm (4.4 in)26 January 1956
Feb67.3 mm (2.6 in)4 February 1958
Mar53.6 mm (2.1 in)16 March 1952
Apr33.8 mm (1.3 in)7 April 1958
May24.1 mm (0.9 in)9 May 1956
Jun6.4 mm (0.25 in)10 June 1957
Jul0.0 mm (0.00 in)1 July 1948
Aug6.4 mm (0.25 in)16 August 1958
Sep9.7 mm (0.38 in)24 September 1958
Oct15.0 mm (0.6 in)11 October 1957
Nov41.1 mm (1.6 in)16 November 1952
Dec98.0 mm (3.9 in)30 December 1951

Latest Records

0

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

Extremes by Year

1948 to 2013
Yearly extremes at Fullerton Dam: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)113.0 mm (4.4 in)195638.9 mm (1.5 in)14
Wettest five days (Rx5day)225.8 mm (8.9 in)195653.8 mm (2.1 in)14
Longest dry spell (CDD)188 days1953116 days14

Wettest day (Rx1day)

Wettest day (Rx1day) at Fullerton Dam by year The wettest day of the year at Fullerton Dam, 1948 to 2013. The record is 113.0 mm (4.4 in) in 1956, marked on the chart; the median year is 38.9 mm (1.5 in). 0255075100125196019802000Record: 113.0 mm (4.4 in) in 1956
The wettest day of the year at Fullerton Dam, 1948 to 2013. The record is 113.0 mm (4.4 in) in 1956, marked on the chart; the median year is 38.9 mm (1.5 in).
Wettest day (Rx1day) at Fullerton Dam by year
YearWettest day (Rx1day)
194816.3 mm (0.6 in)
194945.0 mm (1.8 in)
195040.1 mm (1.6 in)
195198.0 mm (3.9 in)
195289.2 mm (3.5 in)
195320.8 mm (0.8 in)
195456.6 mm (2.2 in)
195532.5 mm (1.3 in)
1956113.0 mm (4.4 in)
195736.1 mm (1.4 in)
195867.3 mm (2.6 in)
195937.6 mm (1.5 in)
196032.3 mm (1.3 in)
201318.5 mm (0.7 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Fullerton Dam by year The wettest five days of the year at Fullerton Dam, 1948 to 2013. The record is 225.8 mm (8.9 in) in 1956, marked on the chart; the median year is 53.8 mm (2.1 in). 0100200300196019802000Record: 225.8 mm (8.9 in) in 1956
The wettest five days of the year at Fullerton Dam, 1948 to 2013. The record is 225.8 mm (8.9 in) in 1956, marked on the chart; the median year is 53.8 mm (2.1 in).
Wettest five days (Rx5day) at Fullerton Dam by year
YearWettest five days (Rx5day)
194828.2 mm (1.1 in)
194960.3 mm (2.4 in)
195049.8 mm (2.0 in)
1951117.3 mm (4.6 in)
1952150.2 mm (5.9 in)
195324.8 mm (1.0 in)
195481.0 mm (3.2 in)
195550.8 mm (2.0 in)
1956225.8 mm (8.9 in)
195754.3 mm (2.1 in)
195885.9 mm (3.4 in)
195940.4 mm (1.6 in)
196053.3 mm (2.1 in)
201325.7 mm (1.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Fullerton Dam by year The longest dry spell of the year at Fullerton Dam, 1948 to 2013. The record is 188 days in 1953, marked on the chart; the median year is 116 days. 050100150200196019802000Record: 188 days in 1953
The longest dry spell of the year at Fullerton Dam, 1948 to 2013. The record is 188 days in 1953, marked on the chart; the median year is 116 days.
Longest dry spell (CDD) at Fullerton Dam by year
YearLongest dry spell (CDD)
1948109 days
194983 days
1950144 days
1951106 days
195296 days
1953188 days
1954154 days
1955107 days
1956146 days
1957122 days
1958129 days
1959188 days
196026 days
201323 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 Fullerton Dam standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Fullerton Dam 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).