condition mean min max 0 h after light 8.08094 7.66281 8.49907 4 h after light 22.7939 22.206 23.3818 8 h after light 31.33515 16.8171 45.8532 4 h after dark 20.27075 14.6653 25.8762 8 h after dark 14.70665 13.9278 15.4855 12 h after dark 13.192450000000001 10.6096 15.7753