condition mean min max 4 h after light 0.066208 0.0 0.132416 8 h after light 0.03615215 0.0 0.0723043 12 h after light 0.2255205 0.187424 0.263617 4 h after dark 0.30927 0.255111 0.375011 8 h after dark 0.36039733333333335 0.264517 0.463497 12 h after dark 0.45784933333333333 0.369845 0.54498