condition mean min max 4 h after light 64.36695 62.0236 66.7103 8 h after light 71.3971 67.9825 74.8117 12 h after light 82.4496 78.5826 86.3166 4 h after dark 100.60896666666666 96.7769 102.586 8 h after dark 86.30173333333333 81.7249 88.6515 12 h after dark 83.71813333333334 76.4886 90.4242