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 0.0 0.0 0.0 12 h after light 0.10565866666666666 0.0 0.316976 3 h after dark 0.0 0.0 0.0 6 h after dark 0.041521333333333334 0.0 0.124564 9 h after dark 0.0 0.0 0.0 12 h after dark 0.061400666666666666 0.0 0.184202