condition mean min max 3 h after light 0.021312266666666666 0.0 0.0639368 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.013427525 0.0 0.0537101 3 h after dark 0.0219454 0.0 0.0658362 6 h after dark 0.056878333333333336 0.0 0.170635 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0