condition mean min max 4 h after light 0.07960345 0.0320399 0.127167 8 h after light 0.06072505 0.0519174 0.0695327 12 h after light 0.0789324 0.0317038 0.126161 4 h after dark 0.1250982 0.0562224 0.193974 8 h after dark 0.172604 0.124979 0.220229 12 h after dark 0.11942605 0.0546851 0.184167