Siwash Creek at Princeton
Water level and flow at gauge 08NL039, British Columbia. The flow is below normal for October (61% of the median). In the last 24 hours it has been rising.
Latest reading Oct 25, 4 AM local standard time (2 hours ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 40 years of monthly averages): 0.12 m³/s4.12 cfs – 0.25 m³/s8.96 cfs, median 0.17 m³/s6.14 cfs. Right now it is at 61% of the median.
May 22, 2002 · approved records 1976–2023 (HYDAT). Right now the flow is 0% of that record.
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 38 years (lighter band: 10th–90th percentile). Past years: approved daily means from HYDAT, the Water Survey of Canada archive (the latest year published is 2025). 2026: daily means of the provisional real-time readings collected by Canada River Levels since October 22, 2026.
Weather near this gauge
Mainly cloudy. 60 percent chance of wet flurries changing to 60 percent chance of rain showers this morning. Snow level rising to 1500 metres this morning. Wind becoming northwest 20 km/h early this afternoon. High 8. UV index 1 or low.
Partly cloudy. Fog patches developing overnight. Wind northwest 20 km/h becoming light this evening. Low zero.
Mainly sunny. Increasing cloudiness early in the afternoon. Fog patches dissipating in the morning. High 10. UV index 2 or low.
Cloudy with 30 percent chance of showers. Low plus 1.
Forecast for Princeton (27 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Camp CreekMouth Near Thirsk · 24 km | 0.83 m2.73 ft | Below normal |
| Similkameen RiverPrinceton · 26 km | 0.49 m1.60 ft | Very low |
| Tulameen RiverPrinceton · 26 km | 0.17 m0.55 ft | Very low |
| Similkameen RiverHedley · 34 km | 0.63 m2.05 ft | Very low |
| Pennask CreekQuilchena · 37 km | 0.38 m1.25 ft | Very low |
| Greata CreekThe Mouth · 38 km | 1.06 m3.47 ft | Normal |
About this gauge
Station: 08NL039 · Siwash Creek Near Princeton
Location: 49.6628, -120.3355 · British Columbia
Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.
Official sources
For flood warnings, advisories and approved data, always use these official services:
Questions
What is the water level of the Siwash Creek at Princeton today?
The latest reading (Oct 25, 4 AM, local standard time) is 0.70 m (2.29 ft) with a flow of 0.11 m³/s (3.74 cfs).
Is the Siwash Creek at Princeton high right now?
The flow is below normal for October (61% of the median).
Is the Siwash Creek rising or falling?
In the last 24 hours it has been rising.
What is the highest flow ever recorded on the Siwash Creek at Princeton?
44.9 m³/s (1,586 cfs) on May 22, 2002, the highest instantaneous flow in the approved records of the Water Survey of Canada (1976–2023). Events after 2023 are not yet in the approved archive.
Where does this data come from?
Gauge 08NL039 of the Water Survey of Canada (Environment and Climate Change Canada). Real-time data are provisional and may be revised. We check for new readings every 30 minutes. Canada River Levels is not an official source.