condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.19062633333333334 0.0 0.571879 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.22003799999999998 0.0 0.660114 12 h after dark 0.3589055 0.0 0.717811