condition mean min max 4 h after light 187.8031645 171.59612 204.010209 8 h after light 173.62314750000002 128.770518 218.475777 12 h after light 156.78587 130.693595 182.878145 4 h after dark 157.9328795 136.693595 179.172164 8 h after dark 176.392827 166.487086 186.298568 12 h after dark 226.456151 226.456151 226.456151