condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.13161673333333332 0.0392062 0.250202 12 h after light 0.0425274 0.0 0.0693019 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