WETTESTSINCE
Tennessee · precipitation record 1879–2026

Chattanooga, TN

2026
NEAR NORMAL PRECIPITATION
26.81in
year to date · normal 31.89"
📖 Chattanooga's full Precipitation Almanac →

Accumulation

TODAY
0.0in
no rain yet of 147 yrs
MONTH TO DATE
5.18in
45th wettest of 148 yrs
133% of normal
LAST 90 DAYS
13.64in
49th wettest of 148 yrs
116% of normal
YEAR TO DATE
26.81in
32nd driest of 148 yrs
84% of normal

Extremes & Streaks

Biggest Day on Record

9.49in
on Sep 5, 2011 · in 148 years

Dry Streak

0days
current run under 0.01" · longest ever 39 days (to Oct 19, 1935)

Wet Streak

1days
consecutive days with rain · longest ever 19 days

Year to Date vs Normal

84%
26.81" of a normal 31.89" · wettest 52.99" (1994) · driest 14.55" (1986)

Wettest & Driest Years

The extremes of a 147-year record (1879–2025) — full calendar-year totals. The long-run average is 52.83" a year.

Wettest Years on Record

1199473.7in
2202072.67in
3192972.37in
4198971.6in
5197371.56in

Driest Years on Record

1190432.68in
2190232.95in
3196835.09in
4201635.58in
5189437.22in

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 Mar (~5.13") and driest in Oct (~2.7"). Wettest calendar month ever: Mar 1980, 16.32".

This Day in History · Rainfall

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

Wettest Jul 28 ever

2.74in
set in 2007

Rain on Jul 28

35%
of 147 years had measurable rain
1879: 0.00″1880: 0.00″1881: 0.00″1882: 0.00″1883: 0.00″1884: 0.56″1885: 0.00″1886: 0.00″1887: 0.12″1888: 0.00″1889: 0.00″1890: 0.00″1891: 0.10″1892: 0.00″1893: 0.00″1894: 0.04″1895: 0.00″1896: 0.00″1897: 0.00″1898: 0.00″1899: 0.00″1900: 0.25″1901: 0.25″1902: 0.03″1903: 0.00″1904: 0.44″1905: 0.00″1906: 0.13″1907: 0.00″1908: 0.01″1909: 0.00″1910: 0.01″1911: 0.00″1912: 0.00″1913: 0.00″1914: 0.92″1915: 0.00″1916: 0.00″1917: 0.00″1918: 0.12″1919: 0.00″1920: 0.00″1921: 0.00″1922: 0.00″1923: 2.20″1924: 0.00″1925: 0.00″1926: 0.01″1927: 0.00″1928: 0.12″1929: 0.00″1930: 0.00″1931: 0.00″1932: 0.00″1933: 0.00″1934: 0.72″1935: 0.00″1936: 0.00″1937: 0.00″1938: 0.00″1939: 0.07″1940: 0.00″1941: 0.48″1942: 0.00″1943: 0.00″1944: 0.00″1945: 0.54″1946: 1.08″1947: 0.25″1948: 0.57″1949: 0.00″1950: 0.00″1951: 0.50″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: 0.40″1961: 0.00″1962: 0.09″1963: 0.24″1964: 0.00″1965: 0.00″1966: 0.00″1967: 0.69″1968: 0.00″1969: 0.07″1970: 0.00″1971: 0.40″1972: 2.50″1973: 0.00″1974: 0.00″1975: 0.00″1976: 0.00″1977: 0.00″1978: 0.00″1979: 0.04″1980: 0.00″1981: 0.00″1982: 0.51″1983: 0.00″1984: 0.00″1985: 0.01″1986: 0.00″1987: 0.00″1988: 0.00″1989: 0.00″1990: 0.00″1991: 0.00″1992: 0.00″1993: 0.00″1994: 0.00″1995: 0.62″1996: 0.94″1997: 0.56″1998: 0.32″1999: 0.00″2000: 0.68″2001: 2.37″2002: 0.00″2003: 0.13″2004: 0.00″2005: 0.07″2006: 0.01″2007: 2.74″2008: 0.00″2009: 0.38″2010: 0.00″2011: 0.00″2012: 0.00″2013: 0.00″2014: 0.57″2015: 0.10″2016: 0.52″2017: 0.41″2018: 0.00″2019: 1.19″2020: 0.00″2021: 0.00″2022: 0.11″2023: 0.00″2024: 0.26″2025: 0.00″0″1″2″3″188018901900191019201930194019501960197019801990200020102020

This Year's Rainfall

Chattanooga'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.
Chattanooga, TN — cumulative rainfall this year vs the record
Download year chart

Rainfall Calendar

Chattanooga'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.
Chattanooga, TN — daily rainfall every day on record
Download calendar

Sun & Location

Sun & Daylight Today

Sunrise4:48 AM
Sunset6:46 PM
Solar noon11:47 AM
Daylight13h 59m
Local standard time (no DST), level horizon.

Location

35.03°N, 85.20°W

Nearby Stations

Knoxville, TN87 mi NEOak Ridge, TN87 mi NEHuntsville, AL93 mi WAtlanta, GA106 mi SENashville, TN111 mi NWAthens, GA130 mi SE

Share Card

Chattanooga, TN precipitation share card
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