condition mean min max 3 h after light 35.4526 28.8793 43.9304 6 h after light 39.16563333333333 20.3592 54.7938 9 h after light 32.2233 30.6156 33.9841 12 h after light 41.110925 29.3789 54.1886 3 h after dark 55.6469 36.0332 67.4802 6 h after dark 54.224833333333336 39.4025 66.1722 9 h after dark 42.67903333333334 34.1149 56.3609 12 h after dark 20.40005 15.9078 24.8923