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St. Louis County, Missouri

Gutter cleaning, repair and new gutters in Rock Hill, MO

Rock Hill gets about 44 inches of rain in a normal year, and on about 12 days a year an inch or more falls in a single day. The wettest season is spring (March to May), with about 13.9 inches; the driest is winter (December to February), with 8.3. That is about 27,600 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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Rock Hill: rain and roofs

NOAA station USC00238561, 8 mi
44.5 in
Rain in a normal year, Rock Hill
NOAA normal, VALLEY PARK
12.2
Days with an inch or more
a year
27,600 gal
Water off 1,000 sq ft of roof in Rock Hill
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
1958
Median year homes were built
ACS 2020–2024
73%
Homes built before 1980
ACS 2020–2024
Winter8.3 in
Spring13.9 in
Summer12.1 in
Fall10.2 in

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

Counting days with an inch of rain or more, Rock Hill sits near the middle of the 361 places in Missouri on this site (12.2 a year). By the age of its homes it sits 42nd oldest by median year built of the 361 places in Missouri on this site (half built by 1958). By first frost it falls among the latest for the first fall frost of the 361 places in Missouri on this site (November 4).

When to clean gutters in Rock Hill

The first fall frost comes around November 4 in a typical year here, and the last spring frost around April 1 (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 Rock Hill rain

The short, hard downpour is what a gutter is sized for. In Rock Hill 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 Rock Hill

Half the homes in Rock Hill were built by 1958, 73% 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.

82% of households own their home, and 78% of homes are detached houses, 12% townhouses. If an association maintains the exterior, the gutters may be its job rather than yours; check before calling.

Hiring in Missouri

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

Gutter work in Rock Hill

With half the homes built by 1958, 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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