condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.890197 0.176571 1.44568 12 h after light 0.418694 0.193095 0.584196 4 h after dark 0.9226816666666666 0.528888 1.45352 8 h after dark 0.6371423333333334 0.239424 1.33365 12 h after dark 0.4736453333333333 0.251421 0.585128