condition mean min max 4 h after light 505.5923015 458.74586 552.438743 8 h after light 423.8590315 411.16088 436.557183 12 h after light 617.7940975 485.36308 750.225115 4 h after dark 317.11569599999996 299.691643 334.539749 8 h after dark 619.119944 493.716745 744.523143 12 h after dark 698.836183 698.836183 698.836183