condition mean min max 4 h after light 148.258171 134.909802 161.60654 8 h after light 162.4963535 150.847441 174.145266 12 h after light 157.66717599999998 141.317328 174.017024 4 h after dark 207.4951185 182.482061 232.508176 8 h after dark 223.9545545 219.232057 228.677052 12 h after dark 176.385903 176.385903 176.385903