condition mean min max 4 h after light 130.92072000000002 128.346011 133.495429 8 h after light 140.115624 118.691499 161.539749 12 h after light 147.13502499999998 142.462826 151.807224 4 h after dark 176.1727005 152.625242 199.720159 8 h after dark 165.116672 148.30898 181.924364 12 h after dark 126.796742 126.796742 126.796742