condition mean min max 4 h after light 153.560524 124.166672 182.954376 8 h after light 181.83218349999999 142.829435 220.834932 12 h after light 182.6478765 175.564778 189.730975 4 h after dark 324.003622 252.30898 395.698264 8 h after dark 272.9340075 269.747612 276.120403 12 h after dark 187.409832 187.409832 187.409832