condition mean min max 4 h after light 0.015341200000000001 0.0142076 0.0164748 8 h after light 0.020254 0.0179919 0.0225161 12 h after light 0.0 0.0 0.0 4 h after dark 0.01576433333333333 0.0 0.0317403 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0126467 0.0 0.0226017