condition mean min max 0 h after light 96.8449 93.0708 100.619 4 h after light 42.09255 36.5667 47.6184 8 h after light 43.00575 37.897 48.1145 4 h after dark 58.9136 58.5347 59.2925 8 h after dark 58.21135 57.2946 59.1281 12 h after dark 83.79305 82.3969 85.1892