As of Oct 13, 2026, the latest day this station has reported
How much rain has Bon Homme County, South Dakota, had in 2026?
20.56 inches of rain have fallen so far in 2026 at the weather station in Tyndall, Bon Homme County, through Oct 13. That is 2.82 inches less than a usual year to date (88% of usual).
- Rain so far
- 20.56 in
- Usual by Oct 13
- 23.38 in
- Percent of usual
- 88%
- 2025 by Oct 13
- 26.77 in
This is Bon Homme County’s 2026 so far, drawn as a Rain Print. Put your name and dates on it: framed $89, print $45.Get Bon Homme County’s 2026 rain and snow drawn as a Rain Print, with your name and dates: framed $89, print $45. Make yours
Prints of 2026 ship in January, once the full year is in.
Want another year, like the drought or the year you married? Rainfall art of any town and year.
Month by month
| Month | Rain, in | Usual, in | Vs usual |
|---|---|---|---|
| Jan | 0.08 | 0.57 | −0.49 |
| Feb | 0.08 | 0.81 | −0.73 |
| Mar | 0.31 | 1.35 | −1.04 |
| Apr | 1.97 | 2.86 | −0.89 |
| May | 2.50 | 3.96 | −1.46 |
| Jun | 2.45 | 3.39 | −0.94 |
| Jul | 1.81 | 3.33 | −1.52 |
| Aug | 1.56 | 3.27 | −1.71 |
| Sep | 9.80 | 2.70 | +7.10 |
| Oct to the 13th | 0.00 | 1.14 | −1.14 |
| So far | 20.56 | 23.38 | −2.82 |
2026 so far in Bon Homme County
- Wettest month: September, 9.80 inches.
- Biggest single day: 2.04 inches on Sep 8.
- Longest dry stretch: 19 days in a row with the gauge at zero, Jul 4 to Jul 22.
- 2025 by the same date: 26.77 inches at the same station. 2026 had 6.21 inches less than 2025.
The station, and what usual means
The numbers come from NOAA’s daily record for the station in Tyndall (station ID 14973), 1 mile from the middle of Bon Homme County. It reported every one of the 286 days from Jan 1 to Oct 13. Rain here means everything the gauge caught: rain, and snow melted down to water. A trace counts as zero.
Usual means NOAA’s 1991 to 2020 daily normals for this station, added up over the same 286 days the station reported, so a missing day counts on neither side.
Why this station: it is the only one inside Bon Homme County that reported at least 90% of the days in 2026. Your own rain gauge can read differently a few miles away.
Questions
How much rain has Bon Homme County, South Dakota, had in 2026?
20.56 inches of rain have fallen so far in 2026 at the weather station in Tyndall, Bon Homme County, through Oct 13. That is 2.82 inches less than a usual year to date (88% of usual).
Is Bon Homme County wetter or drier than usual in 2026?
Drier so far. The weather station in Tyndall had 20.56 inches from Jan 1 to Oct 13, 88% of the usual 23.38 inches for the same days.
What was the wettest month in Bon Homme County in 2026?
September, with 9.80 inches at the weather station in Tyndall, counting Jan 1 through Oct 13.
What was the biggest rain in Bon Homme County in 2026?
2.04 inches on Sep 8, 2026, the most the gauge caught in one day this year through Oct 13.
How does 2026 compare with 2025 in Bon Homme County?
From Jan 1 to Oct 13, the weather station in Tyndall had 26.77 inches in 2025 and 20.56 inches in 2026. 2026 had 6.21 inches less than 2025.
Next door
- Charles Mix County 17.94 in, 82%
- Hutchinson County 15.35 in, 69%
- Yankton County 13.15 in, 53% to Oct 12
- Knox County, NE 19.61 in, 80%
Rain in South Dakota, county by county · PRF insurance in Bon Homme County · Farmland Atlas: Bon Homme County