On average the MRF-MOS should be the worst MOS forecast. Rules Forecasts may be entered before 10 PM, Monday through Friday. Since each forecast is for the following day, the days of the week for which you can forecast are Tuesday through Saturday. The first forecast is for Friday, May 4th. The last forecast is for Friday, June 1st.
Temperature is forecast in degrees Fahrenheit.
Precipitation is forecast as None, Trace or Measurable. If you enter a forecast after 10 PM it will be submitted as your forecast for the following forecast day. The clock on the entry form is used to determine the forecast day. It updates every minute. You may re-enter your forecast as many times as you like until the 10 PM cutoff.