condition mean min max 4 h after light 251.61599999999999 234.759 268.473 8 h after light 182.9275 182.607 183.248 12 h after light 187.6345 181.421 193.848 4 h after dark 199.91649999999998 184.482 215.351 8 h after dark 238.7455 232.606 244.885 12 h after dark 278.95000000000005 271.204 286.696