condition mean min max 4 h after light 286.595935 200.286491 372.905379 8 h after light 284.7453505 282.313899 287.176802 12 h after light 351.661624 318.075615 385.247633 4 h after dark 364.2116975 338.652877 389.770518 8 h after dark 389.6254085 352.819505 426.431312 12 h after dark 454.644533 454.644533 454.644533