condition mean min max 4 h after light 0.025782 0.0 0.051564 8 h after light 0.0 0.0 0.0 12 h after light 0.0125563 0.0 0.0251126 4 h after dark 0.011166033333333334 0.0 0.0334981 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0055061 0.0 0.0165183