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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Anza Weather Records (USC00040235)

Record envelope, standing records and threshold days for Anza (USC00040235), California, United States, with 63 years of record.

Key Facts for Anza

  • Anza (USC00040235) is a weather station in California, United States at 33.56 latitude and -116.67 longitude, 1,193 m (3,915 ft) above sea level.
  • The station reports from 1943 to 2005, 63 years of record.
  • 0 records set at Anza still stand.
  • Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Anza set a daily record precipitation of 52.3 mm (2.1 in) on 11 January 2005.

About the Station

  • Location: California, United States, 33.56 latitude, -116.67 longitude.
  • Elevation: 1,193 m (3,915 ft).
  • Period of record: 1943 to 2005, 63 years.
  • Eligible elements: prcp, snow, snwd.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Anza, with 2026 drawn through them The band shows the record high and record low for each calendar day at Anza. 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 Anza. 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 Anza, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
Febn/an/an/an/a
Marn/an/an/an/a
Aprn/an/an/an/a
Mayn/an/an/an/a
Junn/an/an/an/a
Juln/an/an/an/a
Augn/an/an/an/a
Sepn/an/an/an/a
Octn/an/an/an/a
Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

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

Wettest Day of Each Month

Nov: 127.0 mm (5.0 in)
Record daily precipitation for each month at Anza The wettest day on record for each calendar month at Anza. The most was 127.0 mm (5.0 in) on 23 November 1965. 050100150 Jan: 68.6 mm (2.7 in), 5 January 1995 Jan Feb: 74.4 mm (2.9 in), 21 February 1980 Feb Mar: 114.3 mm (4.5 in), 1 March 1991 Mar Apr: 46.5 mm (1.8 in), 4 April 1958 Apr May: 35.6 mm (1.4 in), 12 May 1998 May Jun: 15.7 mm (0.6 in), 10 June 1990 Jun Jul: 67.3 mm (2.6 in), 23 July 1986 Jul Aug: 58.9 mm (2.3 in), 17 August 1977 Aug Sep: 61.0 mm (2.4 in), 5 September 1967 Sep Oct: 50.8 mm (2.0 in), 27 October 2004 Oct Nov: 127.0 mm (5.0 in), 23 November 1965 Nov Dec: 85.1 mm (3.4 in), 23 December 1945 Dec
The wettest day on record for each calendar month at Anza. The most was 127.0 mm (5.0 in) on 23 November 1965.
Record daily precipitation for each month at Anza
MonthRecord daily precipitation (mm)Date
Jan68.6 mm (2.7 in)5 January 1995
Feb74.4 mm (2.9 in)21 February 1980
Mar114.3 mm (4.5 in)1 March 1991
Apr46.5 mm (1.8 in)4 April 1958
May35.6 mm (1.4 in)12 May 1998
Jun15.7 mm (0.6 in)10 June 1990
Jul67.3 mm (2.6 in)23 July 1986
Aug58.9 mm (2.3 in)17 August 1977
Sep61.0 mm (2.4 in)5 September 1967
Oct50.8 mm (2.0 in)27 October 2004
Nov127.0 mm (5.0 in)23 November 1965
Dec85.1 mm (3.4 in)23 December 1945

Latest Records

20
Latest records at Anza
DateStationRecordValueBeat old record byOld record stoodSignificance
11 January 2005Anza, USdaily rain52.3 mm (2.1 in)26.9 mm (1.1 in)25 years34 of 100 (Routine)
9 January 2005Anza, USdaily rain37.1 mm (1.5 in)2.3 mm (0.09 in)25 years14 of 100 (Routine)
3 January 2005Anza, USdaily rain21.8 mm (0.9 in)0.2 mm (0.01 in)28 years14 of 100 (Routine)
28 December 2004Anza, USdaily rain40.4 mm (1.6 in)5.1 mm (0.20 in)40 years22 of 100 (Routine)
27 October 2004Anza, USmonthly rain50.8 mm (2.0 in)22.9 mm (0.9 in)29 years61 of 100 (Major)
18 October 2004Anza, USmonthly rain (Tie)27.9 mm (1.1 in)tie29 years6 of 100 (Routine)
17 October 2004Anza, USdaily rain17.8 mm (0.7 in)12.5 mm (0.5 in)58 years20 of 100 (Routine)
9 September 2004Anza, USdaily rain1.3 mm (0.05 in)0.8 mm (0.03 in)22 years12 of 100 (Routine)
23 February 2004Anza, USdaily rain24.4 mm (1.0 in)16.8 mm (0.7 in)2 years20 of 100 (Routine)
26 December 2003Anza, USdaily rain25.4 mm (1.0 in)8.1 mm (0.32 in)34 years22 of 100 (Routine)
30 June 2003Anza, USdaily rain6.4 mm (0.25 in)6.4 mm (0.25 in)56 years20 of 100 (Routine)
3 May 2003Anza, USdaily rain9.9 mm (0.39 in)6.1 mm (0.24 in)4 years15 of 100 (Routine)
15 April 2003Anza, USdaily rain22.4 mm (0.9 in)2.1 mm (0.08 in)2 years9 of 100 (Routine)
17 March 2003Anza, USdaily rain21.6 mm (0.9 in)5.3 mm (0.21 in)40 years20 of 100 (Routine)
16 March 2003Anza, USdaily rain52.1 mm (2.1 in)20.3 mm (0.8 in)16 years28 of 100 (Routine)
26 February 2003Anza, USdaily rain27.9 mm (1.1 in)15.2 mm (0.6 in)1 year18 of 100 (Routine)
9 November 2002Anza, USdaily rain12.7 mm (0.5 in)2.3 mm (0.09 in)56 years20 of 100 (Routine)
8 November 2002Anza, USdaily rain34.0 mm (1.3 in)9.9 mm (0.39 in)36 years23 of 100 (Routine)
6 September 2002Anza, USdaily rain5.8 mm (0.23 in)0.7 mm (0.03 in)52 years20 of 100 (Routine)
24 April 2002Anza, USdaily rain8.6 mm (0.34 in)0.2 mm (0.01 in)55 years20 of 100 (Routine)

Extremes by Year

1943 to 2005
Yearly extremes at Anza: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)127.0 mm (5.0 in)196540.6 mm (1.6 in)63
Wettest five days (Rx5day)209.3 mm (8.2 in)198061.7 mm (2.4 in)63
Longest dry spell (CDD)192 days199675 days63

Wettest day (Rx1day)

Wettest day (Rx1day) at Anza by year The wettest day of the year at Anza, 1943 to 2005. The record is 127.0 mm (5.0 in) in 1965, marked on the chart; the median year is 40.6 mm (1.6 in). 050100150196019802000Record: 127.0 mm (5.0 in) in 1965
The wettest day of the year at Anza, 1943 to 2005. The record is 127.0 mm (5.0 in) in 1965, marked on the chart; the median year is 40.6 mm (1.6 in).
Wettest day (Rx1day) at Anza by year
YearWettest day (Rx1day)
19430.0 mm (0.00 in)
19440.0 mm (0.00 in)
194585.1 mm (3.4 in)
194653.8 mm (2.1 in)
194736.8 mm (1.4 in)
194827.4 mm (1.1 in)
194919.1 mm (0.8 in)
195022.1 mm (0.9 in)
195178.7 mm (3.1 in)
195255.9 mm (2.2 in)
195317.3 mm (0.7 in)
195423.6 mm (0.9 in)
195521.3 mm (0.8 in)
195610.4 mm (0.4 in)
195751.6 mm (2.0 in)
195846.5 mm (1.8 in)
195935.3 mm (1.4 in)
196040.1 mm (1.6 in)
196118.5 mm (0.7 in)
196228.7 mm (1.1 in)
196356.1 mm (2.2 in)
196435.3 mm (1.4 in)
1965127.0 mm (5.0 in)
196667.3 mm (2.6 in)
196761.0 mm (2.4 in)
196817.3 mm (0.7 in)
196964.0 mm (2.5 in)
197049.5 mm (1.9 in)
197122.4 mm (0.9 in)
197234.3 mm (1.4 in)
197339.1 mm (1.5 in)
197444.5 mm (1.8 in)
197531.2 mm (1.2 in)
197659.4 mm (2.3 in)
197758.9 mm (2.3 in)
197847.8 mm (1.9 in)
197934.3 mm (1.4 in)
198074.4 mm (2.9 in)
198120.8 mm (0.8 in)
198253.3 mm (2.1 in)
198340.6 mm (1.6 in)
198429.5 mm (1.2 in)
198540.1 mm (1.6 in)
198667.3 mm (2.6 in)
198726.9 mm (1.1 in)
198841.7 mm (1.6 in)
198939.4 mm (1.6 in)
199025.4 mm (1.0 in)
1991114.3 mm (4.5 in)
199245.5 mm (1.8 in)
199359.7 mm (2.4 in)
199417.8 mm (0.7 in)
199568.6 mm (2.7 in)
199655.9 mm (2.2 in)
199727.9 mm (1.1 in)
199850.8 mm (2.0 in)
199945.0 mm (1.8 in)
200041.9 mm (1.6 in)
200119.1 mm (0.8 in)
200236.8 mm (1.4 in)
200352.1 mm (2.1 in)
200450.8 mm (2.0 in)
200552.3 mm (2.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Anza by year The wettest five days of the year at Anza, 1943 to 2005. The record is 209.3 mm (8.2 in) in 1980, marked on the chart; the median year is 61.7 mm (2.4 in). 0100200300196019802000Record: 209.3 mm (8.2 in) in 1980
The wettest five days of the year at Anza, 1943 to 2005. The record is 209.3 mm (8.2 in) in 1980, marked on the chart; the median year is 61.7 mm (2.4 in).
Wettest five days (Rx5day) at Anza by year
YearWettest five days (Rx5day)
19430.0 mm (0.00 in)
19440.0 mm (0.00 in)
1945117.4 mm (4.6 in)
194663.5 mm (2.5 in)
194736.8 mm (1.4 in)
194830.2 mm (1.2 in)
194919.1 mm (0.8 in)
195027.7 mm (1.1 in)
1951140.9 mm (5.5 in)
1952140.9 mm (5.5 in)
195318.6 mm (0.7 in)
195423.6 mm (0.9 in)
195521.3 mm (0.8 in)
195616.5 mm (0.6 in)
195756.9 mm (2.2 in)
1958114.9 mm (4.5 in)
195953.9 mm (2.1 in)
196080.5 mm (3.2 in)
196128.2 mm (1.1 in)
196242.2 mm (1.7 in)
196361.7 mm (2.4 in)
196454.6 mm (2.1 in)
1965138.7 mm (5.5 in)
1966185.1 mm (7.3 in)
1967106.5 mm (4.2 in)
196825.9 mm (1.0 in)
1969121.9 mm (4.8 in)
197099.8 mm (3.9 in)
197157.2 mm (2.3 in)
197268.9 mm (2.7 in)
197370.6 mm (2.8 in)
197499.4 mm (3.9 in)
197542.7 mm (1.7 in)
1976107.2 mm (4.2 in)
197762.5 mm (2.5 in)
1978118.8 mm (4.7 in)
197968.0 mm (2.7 in)
1980209.3 mm (8.2 in)
198143.9 mm (1.7 in)
198259.5 mm (2.3 in)
198385.4 mm (3.4 in)
198445.7 mm (1.8 in)
198548.5 mm (1.9 in)
198681.2 mm (3.2 in)
198752.4 mm (2.1 in)
198849.3 mm (1.9 in)
198968.2 mm (2.7 in)
199049.8 mm (2.0 in)
1991174.0 mm (6.9 in)
199250.9 mm (2.0 in)
1993126.6 mm (5.0 in)
199431.6 mm (1.2 in)
199594.6 mm (3.7 in)
199680.1 mm (3.2 in)
199753.8 mm (2.1 in)
199868.3 mm (2.7 in)
199962.2 mm (2.4 in)
200041.9 mm (1.6 in)
200131.7 mm (1.2 in)
200251.3 mm (2.0 in)
200373.7 mm (2.9 in)
200472.2 mm (2.8 in)
2005112.0 mm (4.4 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Anza by year The longest dry spell of the year at Anza, 1943 to 2005. The record is 192 days in 1996, marked on the chart; the median year is 75 days. 050100150200196019802000Record: 192 days in 1996
The longest dry spell of the year at Anza, 1943 to 2005. The record is 192 days in 1996, marked on the chart; the median year is 75 days.
Longest dry spell (CDD) at Anza by year
YearLongest dry spell (CDD)
194330 days
194430 days
194524 days
194628 days
194781 days
194886 days
1949150 days
195068 days
195165 days
195286 days
1953155 days
1954114 days
195587 days
1956132 days
1957145 days
195849 days
195966 days
196077 days
196183 days
196260 days
196395 days
196454 days
196550 days
196662 days
196756 days
196826 days
196947 days
197053 days
197165 days
197242 days
197347 days
1974121 days
1975106 days
197674 days
197782 days
1978100 days
197961 days
1980112 days
198145 days
198275 days
198396 days
198469 days
198586 days
1986104 days
198762 days
198873 days
198985 days
199077 days
1991125 days
199244 days
1993157 days
199464 days
1995119 days
1996192 days
1997110 days
199866 days
1999100 days
2000128 days
2001105 days
200265 days
200357 days
2004104 days
200514 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.

Rainfall Return Levels

40 years, 1950 to 2004

A day with at least 41.3 mm (1.6 in) of rain is expected about once in 2 years. A day with at least 102.5 mm (4.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Anza: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years41.3 mm (1.6 in)
5 years58.7 mm (2.3 in)
10 years69.8 mm (2.7 in)
25 years83.4 mm (3.3 in)
50 years93.1 mm (3.7 in)Longer than the 40 years of record
100 years102.5 mm (4.0 in)Longer than the 40 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, 40 years of values from 1950 to 2004.

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: 114.3 mm (4.5 in) in 1991; 78.7 mm (3.1 in) in 1951; 74.4 mm (2.9 in) in 1980.

Download the Data

  • Data for Anza standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Anza 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).