condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.16381133333333334 0.0 0.491434 12 h after light 1.1492023333333332 0.329938 2.27066 4 h after dark 0.46632 0.0 1.39896 8 h after dark 0.0 0.0 0.0 12 h after dark 0.41474666666666665 0.0 1.24424