condition mean min max 0 h after light 0.8782544999999999 0.877472 0.879037 4 h after light 1.1031295 0.865139 1.34112 8 h after light 0.217031 0.0 0.434062 4 h after dark 0.647193 0.432597 0.861789 8 h after dark 1.303585 0.8642 1.74297 12 h after dark 1.5192 1.28581 1.75259