condition mean min max 0 h after light 2.543955 2.23626 2.85165 2 h after light 1.326565 1.25327 1.39986 4 h after light 1.937135 1.73026 2.14401 8 h after light 2.305745 1.75196 2.85953 12 h after light 4.22713 3.31732 5.13694 2 h after dark 4.483435 3.2459 5.72097 4 h after dark 2.469495 1.32928 3.60971 8 h after dark 2.94133 2.87325 3.00941 12 h after dark 1.75386 1.2212 2.28652