MEDIAN FLOW RATE · 1 YEAR
—cfs
No flow data available
Precipitation History
Precipitation · YTD
WetWetter than normal
2026 to date
9.3in
+35% vs normal
9.29 in of precipitation so far this year, 35% above the 30-year normal of 6.88 in for this point in the season.
YTD Total
9.3in
This year so far
Normal to Date
6.9in
30-yr average
Typical Range
3.8–9.9in
10th–90th pct YTD
Departure
+35%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.19" · normal 1.56" (0.6–2.6)
Feb: 1.70" · normal 1.06" (0.4–1.9)
Mar: 0.92" · normal 1.27" (0.5–2.3)
Apr: 3.75" · normal 1.12" (0.5–1.8)
May: 0.41" · normal 1.18" (0.3–2.0)
Jun: 1.30" · normal 0.69" (0.1–1.5)
Jul: 0.02" (so far)· normal 0.13" (0.0–0.3)
Aug: normal 0.14" (0.0–0.3)
Sep: normal 0.42" (0.0–1.3)
Oct: normal 0.82" (0.2–1.6)
Nov: normal 1.21" (0.5–1.9)
Dec: normal 1.66" (0.6–2.9)
Baseline 1991–2020 · Source: Open-Meteo07:28 AM
Your History · MASON CREEK AT E POWERLINE ROAD NR NAMPA, ID
Track your history
Sign in to track your sessions at MASON CREEK AT E POWERLINE ROAD NR NAMPA, ID — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
85°
55°
FRI
91°
57°
SAT
99°
62°
SUN
101°
63°
MON
102°
67°
TUE
101°
65°
WED
96°
65°
FISH INDEX
Temperature
Ideal
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
06:09 AM
SUNSET
09:30 PM
15H 21M OF DAYLIGHT14H 2M REMAINING
MOON PHASE
Waning Gibbous
94% illuminated
Station Location
43.5756, -116.5167Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 07:28 UTC
Site #13210890·USGS
Create a free account to save favorites, set flow alerts, and track conditions