condition mean min max 4 h after light 52.46908333333334 43.89093 69.53663 8 h after light 136.72899999999998 113.2152 177.4428 12 h after light 15.480789999999999 11.154739999999999 20.05855 16 h after light 11.355566 7.2211479999999995 13.99407 4 h after dark 52.09931 44.62001 58.13729 8 h after dark 17.281983333333333 13.755970000000001 19.649079999999998