condition mean min max 3 h after light 21.5957 18.9486 25.0401 6 h after light 21.015900000000002 16.3272 23.9736 9 h after light 22.1694 20.5924 24.5085 12 h after light 26.290300000000002 21.1168 36.7505 3 h after dark 37.322 35.0216 41.3173 6 h after dark 36.25293333333333 33.7831 41.1313 9 h after dark 31.1872 29.1332 32.4405 12 h after dark 35.32925 33.4769 37.1816