condition mean min max 0 h after light 1.93613 1.68959 2.18267 2 h after light 2.05205 1.96015 2.14395 4 h after light 1.2939699999999998 1.21454 1.3734 8 h after light 1.56732 1.51225 1.62239 12 h after light 2.9917949999999998 2.31916 3.66443 2 h after dark 2.08384 2.08033 2.08735 4 h after dark 2.45181 2.35948 2.54414 8 h after dark 3.5769599999999997 3.54316 3.61076 12 h after dark 2.49636 2.04402 2.9487