MEDIAN FLOW RATE · 30 DAY
—cfs
No flow data available
Weather Map
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Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
20.1in
≈ normal
20.06 in of precipitation so far this year — about average for this point in the season (normal 20.15 in).
YTD Total
20.1in
This year so far
Normal to Date
20.1in
30-yr average
Typical Range
14.9–24.8in
10th–90th pct YTD
Departure
0%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.43" · normal 1.99" (1.0–3.3)
Feb: 0.66" · normal 1.90" (0.8–3.5)
Mar: 4.79" · normal 2.47" (1.3–3.9)
Apr: 6.01" · normal 4.19" (2.4–5.8)
May: 0.83" · normal 4.31" (1.7–7.0)
Jun: 5.20" · normal 3.80" (1.9–6.0)
Jul: 1.13" (so far)· normal 3.53" (2.2–4.8)
Aug: normal 3.52" (1.7–5.6)
Sep: normal 2.92" (1.3–5.5)
Oct: normal 3.07" (1.2–5.3)
Nov: normal 2.36" (1.1–4.0)
Dec: normal 2.12" (0.9–3.9)
Baseline 1991–2020 · Source: Open-Meteo02:53 UTC
Your History · FOX RIVER (TAILWATER) NEAR MCHENRY, IL
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Station Location
42.3092, -88.2515Loading map…
DATA · USGS · NOAA · NWS
Site #05549501·USGS
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