condition mean min max 4 h after light 231.433022 226.770518 236.095526 8 h after light 234.82026 195.367119 274.273401 12 h after light 254.4094905 233.385903 275.433078 4 h after dark 247.080186 239.010139 255.150233 8 h after dark 213.8179065 198.731471 228.904342 12 h after dark 184.416698 184.416698 184.416698