condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.13439233333333334 0.0 0.403177 12 h after light 0.044164666666666665 0.0 0.132494 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0