condition mean min max 3 h after light 2.7450563333333333 0.925319 3.86312 6 h after light 2.1303533333333333 1.60643 3.06286 9 h after light 2.51207 2.21902 3.09299 12 h after light 3.7639925 2.57278 4.6662 3 h after dark 4.376246666666667 3.3295 5.65388 6 h after dark 4.418089999999999 4.09404 4.8587 9 h after dark 6.3648533333333335 5.13076 7.95587 12 h after dark 3.73599 3.62422 3.84776