condition mean min max 4 h after light 226.7506795 224.860541 228.640818 8 h after light 161.49005949999997 156.288989 166.69113 12 h after light 117.37104649999999 89.770603 144.97149 4 h after dark 115.002959 95.693615 134.312303 8 h after dark 123.6322225 121.136342 126.128103 12 h after dark 115.978769 115.978769 115.978769