condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.06386485 0.0628143 0.0649154 8 h after light 0.0324263 0.0 0.0648526 4 h after dark 0.0312855 0.0 0.062571 8 h after dark 0.0 0.0 0.0 12 h after dark 0.03181205 0.0 0.0636241