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Wettest Since
National Rainfall Records
WETTESTSINCE
California · precipitation record 1893–2026

Riverside, CA

2026
NEAR NORMAL PRECIPITATION
3.57in
year to date · normal 5.93"
📖 Riverside's full Precipitation Almanac →

Accumulation

TODAY
0.0in
no rain yet of 111 yrs
MONTH TO DATE
0.0in
tied for driest of 109 yrs
LAST 90 DAYS
0.0in
tied for driest of 111 yrs
0% of normal
YEAR TO DATE
3.57in
24th driest of 114 yrs
60% of normal

Extremes & Streaks

Biggest Day on Record

4.42in
on Mar 4, 1938 · in 134 years

Dry Streak

110days
current run under 0.01" · longest ever 207 days (to Nov 5, 2020)

Wet Streak

0days
consecutive days with rain · longest ever 14 days

Year to Date vs Normal

60%
3.57" of a normal 5.93" · wettest 17.12" (1978) · driest 0.3" (2007)

Wettest & Driest Years

The extremes of a 107-year record (1902–2025) — full calendar-year totals. The long-run average is 9.81" a year.

Wettest Years on Record

1198322.94in
2194122.0in
3197821.54in
4193819.33in
5190518.42in

Driest Years on Record

119892.71in
220073.13in
319423.27in
420083.3in
520133.4in

Rainfall by Month

The seasonal rhythm — each month's normal precipitation, with this year's totals in blue. Where the blue bar clears the band, the month ran wetter than usual.
J
F
M
A
M
J
J
A
S
O
N
D
Normal (median)This year
Normally wettest in Feb (~1.64") and driest in Jun (~0.0"). Wettest calendar month ever: Feb 1998, 10.08".

This Day in History · Rainfall

Every year's rainfall on each of the next 7 dates at Riverside — toggle a day below. The tallest bar (ringed) is the wettest on record for that date.

Wettest Aug 24 ever

0.10in
set in 1916

Rain on Aug 24

3%
of 111 years had measurable rain
1902: 0.00″1903: 0.00″1904: 0.00″1905: 0.00″1908: 0.00″1910: 0.00″1911: 0.00″1912: 0.00″1913: 0.00″1914: 0.00″1916: 0.10″1917: 0.02″1923: 0.00″1927: 0.00″1928: 0.00″1929: 0.00″1930: 0.00″1931: 0.00″1932: 0.00″1933: 0.07″1934: 0.00″1935: 0.00″1936: 0.00″1937: 0.00″1938: 0.00″1939: 0.00″1940: 0.00″1941: 0.00″1942: 0.00″1943: 0.00″1944: 0.00″1945: 0.00″1946: 0.00″1947: 0.00″1948: 0.00″1949: 0.00″1950: 0.00″1951: 0.00″1952: 0.00″1953: 0.00″1954: 0.00″1955: 0.00″1956: 0.00″1957: 0.00″1958: 0.00″1959: 0.00″1960: 0.00″1961: 0.00″1962: 0.00″1963: 0.00″1964: 0.00″1965: 0.00″1966: 0.00″1967: 0.00″1968: 0.00″1969: 0.00″1970: 0.00″1971: 0.00″1972: 0.00″1973: 0.00″1974: 0.00″1975: 0.00″1976: 0.00″1977: 0.00″1978: 0.00″1979: 0.00″1980: 0.00″1981: 0.00″1982: 0.00″1983: 0.00″1984: 0.00″1985: 0.00″1986: 0.00″1988: 0.00″1989: 0.00″1990: 0.00″1991: 0.00″1992: 0.00″1993: 0.00″1994: 0.00″1995: 0.00″1996: 0.00″1997: 0.00″1998: 0.00″1999: 0.00″2000: 0.00″2001: 0.00″2002: 0.00″2003: 0.00″2004: 0.00″2005: 0.00″2006: 0.00″2007: 0.00″2008: 0.00″2009: 0.00″2010: 0.00″2011: 0.00″2012: 0.00″2013: 0.00″2014: 0.00″2015: 0.00″2016: 0.00″2017: 0.00″2018: 0.00″2019: 0.00″2020: 0.00″2021: 0.00″2022: 0.00″2023: 0.00″2024: 0.00″2025: 0.00″0″1″19101930194019501960197019801990200020102020

This Year's Rainfall

Riverside's cumulative rainfall so far this year against its own record — the normal accumulation, and the wettest & driest years to date. The bright line is the running total; where it rides the band tells the story at a glance.
Riverside, CA — cumulative rainfall this year vs the record
Download year chart

Rainfall Calendar

Riverside's entire daily record as one heatmap — each row a year, each cell a day, shaded by that day's rainfall. Dry spells read as dark blocks, wet seasons as brighter bands; the whole climate at a glance.
Riverside, CA — daily rainfall every day on record
Download calendar

Sun & Location

Sun & Daylight Today

Sunrise5:18 AM
Sunset6:25 PM
Solar noon11:52 AM
Daylight13h 06m
Local standard time (no DST), level horizon.

Location

33.95°N, 117.44°W

Nearby Stations

Long Beach, CA41 mi WLos Angeles Downtown, CA46 mi WPalm Springs, CA54 mi ELos Angeles Airport, CA54 mi WBurbank Glendale Pasadena, CA55 mi WPalmdale, CA59 mi NW

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