condition mean min max 0 h after light 0.344935 0.197357 0.492513 4 h after light 0.3982185 0.194236 0.602201 8 h after light 0.21695599999999998 0.200539 0.233373 4 h after dark 0.436295 0.386968 0.485622 8 h after dark 0.6050845 0.586982 0.623187 12 h after dark 0.3881245 0.295111 0.481138