condition mean min max 4 h after light 887.1670710000001 530.179491 1244.154651 8 h after light 1138.887567 1039.232057 1238.543077 12 h after light 1007.6443855 482.44133 1532.847441 4 h after dark 421.85792050000003 258.559476 585.156365 8 h after dark 356.02953649999995 317.519324 394.539749 12 h after dark 267.941542 267.941542 267.941542