condition mean min max 3 h after light 0.851075 0.752705 0.902276 6 h after light 2.8722933333333334 2.17721 3.74667 9 h after light 3.1554100000000003 2.95223 3.26526 12 h after light 2.239897 0.742118 2.97045 3 h after dark 5.0617600000000005 3.24575 6.3943 6 h after dark 2.8473066666666664 2.38548 3.74306 9 h after dark 1.0921363333333334 0.876729 1.36764 12 h after dark 0.381227 0.18677 0.575684