Mayfly Guide Service
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Trip details
- Fishing Types
- Fly Fishing
- Trip Durations
- half-day, full-day
Fishing spots near Mayfly Guide Service
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Typical flow by month
1999 to 2026
The water at Mayfly Guide Service typically runs highest in May, at a median 109 cfs, and lowest in January, at 2.1 cfs. The highest flow on record for any single day is 809 cfs, in 2010.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 2.1 | 1.4 to 4.1 | |
| February | 2.3 | 1.5 to 4.4 | |
| March | 3.0 | 2.0 to 6.0 | |
| April | 13 | 4.5 to 30 | |
| May | 109 | 57 to 185 | |
| June | 92 | 27 to 298 | |
| July | 15 | 7.5 to 31 | |
| August | 12 | 7.6 to 19 | |
| September | 13 | 7.0 to 20 | |
| October | 13 | 6.8 to 21 | |
| November | 2.5 | 1.7 to 5.2 | |
| December | 2.3 | 1.6 to 4.0 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 28 years of record. Statistics published by the US Geological Survey for Little Cottonwood Creek @ Jordan River near Slc (site 10168000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Streamflow
3.7 cfs
Much below normal (5th)
Water level
0.27 ft
High today
79°F
Wind
13 kt
Gusts 24 kt
Rain chance
48%
Week ahead
Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →
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