condition mean min max 4 h after light 136.7170125 128.693595 144.74043 8 h after light 180.118853 126.328154 233.909552 12 h after light 241.21706799999998 222.081444 260.352692 4 h after dark 217.651344 210.940324 224.362364 8 h after dark 224.5414035 209.112789 239.970018 12 h after dark 122.001288 122.001288 122.001288