condition mean min max 4 h after light 0.0055029 0.0 0.0110058 8 h after light 0.01983815 0.0151969 0.0244794 12 h after light 0.0 0.0 0.0 4 h after dark 0.0082006 0.0 0.0246018 8 h after dark 0.024112366666666666 0.0 0.043851 12 h after dark 0.023371166666666665 0.0 0.0598617