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Franklin County, Missouri

Gutter cleaning, repair and new gutters in Washington, MO

A normal year in Washington brings about 44 inches of rain; on roughly 12 of its days, an inch or more comes down at once. The wettest season is spring (March to May), with about 13.5 inches; the driest is winter (December to February), with 7.7. That is about 27,300 gallons a year off each 1,000 square feet of roof, every drop of it through a gutter and a downspout.

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Washington: rain and roofs

NOAA station USC00238746, 2 mi
44.1 in
Rain in a normal year, Washington
NOAA normal, WASHINGTON
12.0
Days with an inch or more
a year
27,300 gal
Water off 1,000 sq ft of roof in Washington
0.62 gal per sq ft per inch
7.63 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 8
Oct 25
First fall frost
median date
1978
Median year homes were built
ACS 2020–2024
53%
Homes built before 1980
ACS 2020–2024
Winter7.7 in
Spring13.5 in
Summer12.1 in
Fall10.8 in

Bars to one scale; the longest is spring (March to May).

Counting days with an inch of rain or more, Washington sits near the middle of the 361 places in Missouri on this site (12.0 a year). By house age it falls near the middle of the 361 places in Missouri on this site (half built by 1978). By its first fall frost it sits near the middle of the 361 places in Missouri on this site (October 25).

When to clean gutters in Washington

The first fall frost comes around October 25 in a typical year here, and the last spring frost around April 8 (median dates, NOAA normals). Booking the fall cleaning after the first frost, once the trees over the roof are bare, catches the season’s drop in one visit; the spring cleaning comes after the pollen and catkins are down.

When to clean gutters explains how the trees over a roof change the schedule.

Gutter and downspout size for Washington rain

The short, hard downpour is what a gutter is sized for. In Washington the five-minute rain expected about once in ten years falls at 7.63 inches an hour (NOAA Atlas 14 Volume 8). At that rate one 2-by-3-inch downspout drains about 940 square feet of roof and one 3-by-4-inch downspout about 1,890, by the rule in the Copper Development Association’s design handbook. Try your own roof in the gutter and downspout calculator, which starts from this figure.

The houses in Washington

Half the homes in Washington were built by 1978, 53% before 1980 (ACS 2020–2024). Houses that age have often had their gutters replaced once already; if not, the original runs and the boards behind them deserve a close look. On a house built before 1978, replacing more than 20 square feet of painted fascia or trim falls under the EPA’s lead-safe rule, so ask whether the crew is certified.

70% of households own their home, and 69% of homes are detached houses, 9% townhouses. In a townhouse or HOA community, check who owns the gutters and what colors are allowed before booking.

Hiring in Missouri

Licensing for gutter work differs from state to state; ask a contractor in Washington which license or registration they hold in Missouri, and for proof of liability insurance. Hiring a gutter contractor

Gutter work in Washington

With half the homes built by 1978, replacement gutters and the fascia behind them come up more often here than in newer suburbs. The line takes all of it:

Nearby

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