condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0293133 0.0 0.0879399 12 h after light 0.019266133333333334 0.0 0.0577984 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.012486333333333334 0.0 0.037459