condition mean min max 4 h after light 0.5239 0.0 1.0478 8 h after light 0.3093735 0.190972 0.427775 12 h after light 0.9826545 0.348299 1.61701 4 h after dark 0.30553050000000004 0.154416 0.456645 8 h after dark 1.5570050000000002 1.51215 1.60186 12 h after dark 0.9445285000000001 0.750967 1.13809