General Approach - Seasonal Modeling Equations for Port Huron
Spring Model:
Traffic = exp [-61.8 + 0.003 *Temp- 0.016 *Precip+ 0.00024 *CCI- 0.04 *Wk1- 0.09 *Wk2- 0.03 *Hdy2-0.08 *Hdy3+ 0.0355 *Year]
Summer Model:
Traffic = exp [-57.4 + 0.002 *Temp- 0.006 *Precip- 0.0008 *CCI+ 0.04 *Wk1+ 0.02 *Wk2- 0.34 *Hdy1+ 0.08 *Hdy2+ 0.025 *Hdy3+ 0.0334 *Year]
Fall Model:
Traffic = exp [-76.4 + 0.003 *Temp- 0.024 *Precip- 0.0008 *CCI- 0.03 *Wk1- 0.08 *Wk2+ 0.02 *Hdy2- 0.03 *Hdy3+ 0.0429 *Year]
Winter Model:
Traffic = exp [-42.0 + 0.002 *Temp- 0.138 *Precip+ 0.002 *CCI- 0.14 *Wk1- 0.6 *Wk2- 0.09 *Hdy2- 0.3 *Hdy3+ 0.02552 *Year]