condition mean min max 0 h after light 0.36968100000000004 0.347607 0.391755 4 h after light 0.784736 0.728282 0.84119 8 h after light 0.5441819999999999 0.486533 0.601831 4 h after dark 0.7268955 0.725462 0.728329 8 h after dark 0.687944 0.599111 0.776777 12 h after dark 0.4499495 0.390532 0.509367