condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.03943895 0.0 0.0788779 12 h after light 0.053696049999999995 0.0306398 0.0767523 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.010250166666666666 0.0 0.0307505