condition mean min max 4 h after light 151.857231 135.326402 168.38806 8 h after light 146.4635265 134.506639 158.420414 12 h after light 147.0782105 145.385903 148.770518 4 h after dark 192.648784 143.963242 241.334326 8 h after dark 189.45129450000002 157.770518 221.132071 12 h after dark 120.581099 120.581099 120.581099