Rivermatics

USGS Streamgage 09224000

Hams Fork at Diamondville, WY

Hams Fork at Diamondville, WY is USGS streamgage 09224000 in Wyoming, monitoring river discharge in hydrologic subbasin 14040107. It sits on the Hams Fork, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 390 square miles. Discharge records at this site go back to 1917. Typical flow runs near 76.5 cfs in July and 233 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

Gauge details

State
Wyoming
Drainage area
390 sq mi
Gauge elevation
6,875 ft
Subbasin (HUC-8)
14040107
Coordinates
41.77974, -110.5356
USGS site number
09224000
Records begin
1917-10-01 (109 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Hams Fork at Diamondville, WY. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
15.9 18.3 20.8
14.7 17.9 21.3
14 17.3 21
13.3 17 20.9
13.3 17.2 21.7
12 16.7 21.9
12.7 17.8 24.7
12.8 18.6 26
12.6 18.1 24.9
12.4 17.8 24.7
11.6 17.1 23.9
10.6 16.4 23.3
11 16.9 25.4
10.6 16.7 25.3

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 32 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 10 21 30.2
February 12 23.3 28.1
March 13.1 34.3 111
April 78.2 233 721.8
May 277.1 774.3 1,553.5
June 66.6 427.1 809.5
July 11.1 76.5 173.9
August 9.4 29.9 61.7
September 6.9 24.1 45.6
October 14.7 34.2 52.9
November 17.7 29.6 47.7
December 11 25 36.5

All values in cubic feet per second (cfs).

Common questions

When does Hams Fork at Diamondville, WY normally run highest?
May, on the long-term record. The median daily flow that month is about 774.3 cfs, against 21 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Hams Fork at Diamondville, WY?
It depends on the month. In January, half of days historically fall near 21 cfs, with the middle 80% of days between 10 and 30.2 cfs. The month-by-month table on this page gives the full range.
How long has Hams Fork at Diamondville, WY been measured?
Discharge records at USGS site 09224000 begin in 1917, about 109 years, covering roughly 353 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Hams Fork at Diamondville, WY?
Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
Where is Hams Fork at Diamondville, WY?
The gauge sits at 41.77974, -110.5356, in Wyoming, in hydrologic subbasin 14040107, at an elevation of about 6,875 feet, draining roughly 390 square miles.
Can I use Hams Fork at Diamondville, WY data for flood or safety decisions?
No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.

Upstream and downstream on the Hams Fork

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Hams Fork in full.

Other gauges in this subbasin