MEDIAN FLOW RATE · 1 YEAR
2cfs 40.7% vs avg
Optimal band: 12–16 cfs
PERIOD HIGH
145cfs
PERIOD LOW
2cfs
RUNNABLE
28%
last 1 year in band
Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
10.6in
-31% vs normal
10.6 in of precipitation so far this year, 31% below the 30-year normal of 15.29 in for this point in the season.
YTD Total
10.6in
This year so far
Normal to Date
15.3in
30-yr average
Typical Range
9.9–21.1in
10th–90th pct YTD
Departure
-31%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.15" · normal 2.79" (1.1–4.5)
Feb: 2.36" · normal 2.42" (1.2–3.6)
Mar: 1.48" · normal 2.66" (1.6–3.7)
Apr: 3.23" · normal 3.02" (2.0–4.2)
May: 2.03" · normal 2.87" (1.7–4.7)
Jun: 0.35" (so far)· normal 1.63" (0.3–3.1)
Jul: normal 0.83" (0.2–1.7)
Aug: normal 0.96" (0.3–1.6)
Sep: normal 1.77" (0.6–3.3)
Oct: normal 2.30" (0.7–3.5)
Nov: normal 2.30" (1.2–3.6)
Dec: normal 2.72" (1.3–4.5)
Baseline 1991–2020 · Source: Open-Meteo12:13 AM
Your History · CHALK CREEK AT COALVILLE, UT
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Weather Conditions
WEATHER CONDITIONS
TODAY
87°
54°
FRI
89°
65°
SAT
71°
52°
SUN
64°
43°
MON
69°
37°
TUE
83°
44°
WED
84°
47°
FISH INDEX
Temperature
Warm
Wind
Strong
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:55 AM
SUNSET
09:01 PM
15H 6M OF DAYLIGHT17H 48M REMAINING
MOON PHASE
Waxing Gibbous
84% illuminated
Station Location
40.9205, -111.4016Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-26 03:13 UTC
Site #10131000·USGS
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