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Kahlotus, WA

Full City Profile · Washington · Franklin County County

2.9 /5.0
C+ Fair
171 Population 450/sq mi density
$91,042 Median Income $36,108 per capita
$164,300 Home Value $324,336 Zillow
52°F Avg Temperature 273 sunny days/yr
157 Violent Crime/100K 679 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$91,042 median income, 3.9% unemployment
A+
Affordability
5.0 / 5.0
$164,300 home value, /mo rent
F
Safety
1.0 / 5.0
157 violent crimes/100K
D
Education
1.7 / 5.0
8.9% bachelor's degree or higher
Kahlotus experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 33°F in January while summers reach 74°F in July. The area gets 273 sunny days per year. Annual precipitation totals 10.8 inches. The area receives 13.5 inches of snow annually. Air quality is rated Good with a median AQI of 28.

Temperature

33°F Jan (0°C) 74°F Jul (23°C)
Annual Average51.8°F
4% below US avg
January Average33°F (0°C)
July Average74°F (23°C)
Sunny Days273 days/yr

Geography

Elevation905 ft (276 m)
Area0.2 sq mi (0.4 km²)
Population Density450/sq mi
Coordinates46.6432°N, 118.5561°W
TimezoneAmerica/Los_Angeles
CountyFranklin County County
Nearest AirportTri-Cities (PSC)
37 miles away

Precipitation & Snow

Annual Rainfall 10.8"
71% below US avg
Snowfall 13.5"
Wettest Month (Dec) 1.46"
Driest Month (Jul) 0.35"

Air Quality

AQI Median28.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score72.5 / 100
Social Vulnerability31.5 / 100
Community Resilience15.5 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively Low
Wildfire Relatively Low
Flood Relatively Moderate
Hail Relatively Low
Strong Wind Relatively Low
Heat Wave Relatively Moderate
Winter Weather Relatively Low
Lightning Relatively Low
Ice Storm Relatively Moderate
Drought Very Low
Cold Wave Relatively Moderate
Landslide Very Low
Volcano Very Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

152 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.3. Most recent: M2.9 on Sep 23, 2024.

Nov 28, 1991 7 km S of Walla Walla East, Washington M4.3 75 km
Jul 14, 1992 6 km S of Walla Walla East, Washington M4.1 75 km
Nov 11, 2001 3 km NE of Spokane, Washington M4.0 145 km
Jun 25, 2001 Washington M3.9 145 km
Aug 7, 1992 8 km WSW of Irrigon, Oregon M3.9 118 km
Jun 28, 1998 3 km SE of Genesee, Idaho M3.8 128 km
Sep 4, 2011 14 km N of Richland, Washington M3.7 60 km
May 18, 2008 11 km SSW of Benton City, Washington M3.7 93 km
Jan 1, 1997 14 km NNE of Selah, Washington M3.7 146 km
Jan 23, 2015 3 km N of Cayuse, Oregon M3.5 104 km
Jul 6, 1991 7 km SE of Kittitas, Washington M3.4 140 km
Dec 22, 1990 9 km NW of Mattawa, Washington M3.4 111 km
Oct 15, 2011 13 km N of Richland, Washington M3.4 60 km
Jan 13, 1994 11 km SW of Lind, Washington M3.4 29 km
Jun 17, 2004 11 km SSE of Washtucna, Washington M3.4 25 km
Nov 6, 1997 22 km SE of Desert Aire, Washington M3.4 89 km
Jun 25, 2001 2 km SSE of Town and Country, Washington M3.4 146 km
Sep 13, 2012 10 km ESE of Rock Island, Washington M3.4 136 km
May 27, 1997 15 km W of Othello, Washington M3.3 66 km
Feb 28, 2004 10 km WSW of Wallula, Washington M3.3 76 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

26 tornadoes (EF0+) within 100 km since 1950. Strongest: EF2.

Date Rating Distance Fatalities
Aug 30, 1971 EF2 97 km 0
Mar 14, 1966 EF2 60 km 0
Jun 26, 1958 EF2 70 km 0
May 6, 2022 EF1 98 km 0
Jan 16, 2000 EF1 56 km 0
Aug 10, 1985 EF1 52 km 0
Apr 23, 1983 EF1 36 km 0
Jul 1, 1978 EF1 22 km 0
Mar 5, 2024 EF0 87 km 0
Jun 27, 2023 EF0 77 km 0
May 26, 2023 EF0 89 km 0
Mar 31, 2020 EF0 66 km 0
May 22, 2016 EF0 68 km 0
Oct 5, 2011 EF0 89 km 0
May 19, 2010 EF0 76 km 0
May 11, 2003 EF0 56 km 0
May 1, 1991 EF0 96 km 0
Aug 24, 1987 EF0 66 km 0
Apr 23, 1983 EF0 48 km 0
Aug 9, 1982 EF0 22 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Tsunami History

3 tsunamis recorded within 500 km. Highest wave on record: 19.8 m (65 ft).

Year Location Cause Max Wave Deaths Distance
1949 COLUMBIA RIVER VALLEY, WA Meteorological 19.8 m — 132 km
2009 COLUMBIA RIVER VALLEY, WA Meteorological 9.0 m — 135 km
2009 COLUMBIA RIVER VALLEY, WA Meteorological 3.6 m — 143 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: 24 COMMAND (162,300 ac, 2000).

Year Name Acres Distance
2000 24 COMMAND 162,300 82 km
1984 HANFORD 122,914 81 km
2006 COLUMBIA COMPLEX 118,865 78 km
2021 LICK CREEK 80,376 99 km
2007 WAUTOMA 77,956 89 km
2005 SCHOOL 51,701 82 km
2021 GREEN RIDGE 44,604 89 km
2019 COLD CREEK 43,756 86 km
2017 SILVER DOLLAR 30,789 94 km
2018 L RD SW 22,101 83 km
1996 UNNAMED 21,130 73 km
2005 WALKER CANYON 20,764 20 km
2007 OVERLOOK 20,363 64 km
2010 EUREKA 19,811 22 km
2019 243 COMMAND 18,876 97 km
2016 BLACK ROCK ROAD 17,398 81 km
2017 EAST SADDLE 17,318 62 km
2023 HAT ROCK 17,264 84 km
1990 LOCUSTGROV 17,187 87 km
2020 KAHLOTUS 16,738 13 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 33°F (0°C) 1.1 in
February 38°F (3°C) 0.9 in
March 44°F (7°C) 1.1 in
April 51°F (10°C) 0.8 in
May 59°F (15°C) 0.9 in
June 66°F (19°C) 0.6 in
July 74°F (23°C) 0.4 in Warmest, Driest
August 72°F (22°C) 0.4 in
September 63°F (17°C) 0.5 in
October 51°F (11°C) 0.8 in
November 40°F (5°C) 1.4 in
December 32°F (0°C) 1.5 in Coldest, Wettest

Kahlotus has a seasonal temperature swing of 41°F / from 32°F in December to 74°F in July. Total annual precipitation is 10.3 inches, with December being the wettest month (1.5") and July the driest (0.4").

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