Yeah it's close to spot on. The 'rim received one of the biggest events in the pst ten+ years during the last part of January. This follows a couple of other storm system's that's put snow in places it hasn't been for a number of years.
The Colorado Basin River Forecast Center forecasts this region as well as the rest of the Co basin and monitors both gage reports and our continuous model (so you can get the current observed, plus whatto expect by the time you make it down there from Colorado). You can find much more here:
Colorado Basin River Forecast Center - Colorado River, Green River, San Juan River, Eastern Great Basin, Lower Colorado
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We also keep in touch with the GS about various gage issues. All paddlers ought to feel free to contact the office with questions or concerns.
I am Ed. The numbers on the web site.