condition mean min max 4 h after light 48.483603333333335 42.42491 55.49136 8 h after light 49.26384 36.878409999999995 68.90133 12 h after light 54.87181333333333 41.0209 72.50021 16 h after light 68.67106 55.124219999999994 93.40501 4 h after dark 59.73346333333333 55.18175 64.78998 8 h after dark 34.618790000000004 29.258490000000002 44.394040000000004