condition mean min max 4 h after light 141.370425 111.452805 171.288045 8 h after light 154.4251015 141.385903 167.4643 12 h after light 153.099333 148.232057 157.966609 4 h after dark 198.401655 160.82358 235.97973 8 h after dark 231.73483099999999 188.983973 274.485689 12 h after dark 183.235011 183.235011 183.235011