condition mean min max 4 h after light 0.0385799 0.0384299 0.0387299 8 h after light 0.1308393 0.0420256 0.219653 12 h after light 0.133737 0.114971 0.152503 4 h after dark 0.03349665 0.0 0.0669933 8 h after dark 0.1422384 0.0998298 0.184647 12 h after dark 0.060879499999999996 0.0556555 0.0661035