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St. Louis County, Missouri

Gutter cleaning, repair and new gutters in Olivette, MO

A normal year in Olivette brings about 42 inches of rain; on roughly 11 of its days, an inch or more comes down at once. The wettest season is spring (March to May), with about 13.1 inches; the driest is winter (December to February), with 7.3. Every 1,000 square feet of roof sheds about 25,900 gallons a year, and all of it goes through the gutters.

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Olivette: rain and roofs

NOAA station USW00013994, 6 mi
41.7 in
Rain in a normal year, Olivette
NOAA normal, ST LOUIS LAMBERT INTL AP
11.0
Days with an inch or more
a year
25,900 gal
Water off 1,000 sq ft of roof in Olivette
0.62 gal per sq ft per inch
7.50 in/hr
5-minute downpour, once in 10 years
NOAA Atlas 14 Volume 8
Nov 4
First fall frost
median date
1961
Median year homes were built
ACS 2020–2024
77%
Homes built before 1980
ACS 2020–2024
Winter7.3 in
Spring13.1 in
Summer11.8 in
Fall9.5 in

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

For days with an inch of rain or more, Olivette ranks near the middle of the 361 places in Missouri on this site (11.0 a year). Its housing ranks 59th oldest by median year built of the 361 places in Missouri on this site (half built by 1961). The first frost here ranks among the latest for the first fall frost of the 361 places in Missouri on this site (November 4).

When to clean gutters in Olivette

The first fall frost comes around November 4 in a typical year here, and the last spring frost around April 2 (median dates, NOAA normals). Plan the fall visit for after the frost, when the trees over the roof have finished dropping, and the spring visit for after the pollen and catkins.

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

Gutter and downspout size for Olivette rain

What overwhelms a gutter is a burst, not a season. In Olivette the five-minute rain expected about once in ten years falls at 7.50 inches an hour (NOAA Atlas 14 Volume 8). At that rate one 2-by-3-inch downspout drains about 960 square feet of roof and one 3-by-4-inch downspout about 1,920, 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 Olivette

Half the homes in Olivette were built by 1961, 77% before 1980 (ACS 2020–2024). In a neighborhood that age, many houses are on their second set of gutters or due for one, and the fascia board behind them is worth checking at the same visit. 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.

74% of households own their home, and 73% of homes are detached houses, 3% townhouses. Where an HOA governs the exterior, its rules on gutter color and style apply before any order is placed.

Hiring in Missouri

Before hiring in Olivette, ask which Missouri license or registration the contractor holds and for a certificate of liability insurance. Hiring a gutter contractor

Gutter work in Olivette

With half the homes built by 1961, 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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