condition mean min max 4 h after light 10.573201000000001 10.226024 10.920378 8 h after light 11.918295 11.389022 12.447568 12 h after light 10.10413 9.398487 10.809773 4 h after dark 10.4377655 9.766483 11.109048 8 h after dark 11.5298755 11.177392 11.882359 12 h after dark 10.809773 10.809773 10.809773