condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02756945 0.0 0.0551389 12 h after light 0.20798350000000002 0.044663 0.371304 4 h after dark 0.2655088 0.0895666 0.441451 8 h after dark 0.10245825 0.0294965 0.17542 12 h after dark 0.0244494 0.0 0.0488988