condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.30397450000000004 0.298974 0.308975 8 h after light 0.7615734999999999 0.700012 0.823135 4 h after dark 0.148908 0.0 0.297816 8 h after dark 0.3492635 0.200778 0.497749 12 h after dark 0.199687 0.197488 0.201886