condition mean min max 0 h after light 6.39609 5.94242 6.84976 2 h after light 2.175515 1.34443 3.0066 4 h after light 0.47624449999999996 0.385025 0.567464 8 h after light 11.829810000000002 5.75182 17.9078 12 h after light 11.95866 9.95042 13.9669 2 h after dark 14.852599999999999 11.028 18.6772 4 h after dark 8.645109999999999 6.41112 10.8791 8 h after dark 9.34896 9.17091 9.52701 12 h after dark 6.516830000000001 6.38245 6.65121