condition mean min max 4 h after light 189.3474415 175.693595 203.001288 8 h after light 182.35987899999998 175.119766 189.599992 12 h after light 239.5443625 196.846994 282.241731 4 h after dark 168.899802 118.812571 218.987033 8 h after dark 134.0655515 99.001297 169.129806 12 h after dark 154.172177 154.172177 154.172177