condition mean min max 0 h after light 0.7471165 0.679857 0.814376 4 h after light 0.303337 0.138298 0.468376 8 h after light 0.236936 0.138164 0.335708 4 h after dark 0.1668925 0.13383 0.199955 8 h after dark 0.13395825 0.0674015 0.200515 12 h after dark 0.234255 0.203321 0.265189