condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.17459083333333333 0.0 0.510529 12 h after light 0.120214 0.0 0.360642 4 h after dark 0.4296743333333333 0.0 0.980911 8 h after dark 0.27263133333333334 0.0 0.817894 12 h after dark 0.592106 0.0 1.37556