condition mean min max 4 h after light 202.585694 135.145673 270.025715 8 h after light 166.949566 144.466352 189.43278 12 h after light 212.03059199999998 141.521435 282.539749 4 h after dark 343.9369365 272.847441 415.026432 8 h after dark 353.958747 322.2454 385.672094 12 h after dark 484.016641 484.016641 484.016641