condition mean min max 4 h after light 165.7549315 151.232057 180.277806 8 h after light 193.4352235 189.039366 197.831081 12 h after light 212.52268450000003 180.459729 244.58564 4 h after dark 257.607642 217.792112 297.423172 8 h after dark 248.95250049999999 236.612468 261.292533 12 h after dark 197.110892 197.110892 197.110892