condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.11051633333333334 0.0 0.177895 12 h after light 0.11574856666666666 0.0 0.251648 4 h after dark 0.0 0.0 0.0 8 h after dark 0.053424 0.0 0.160272 12 h after dark 0.05789833333333333 0.0 0.173695