condition mean min max 0 h after light 4.250629999999999 4.02401 4.47725 4 h after light 5.32004 4.88233 5.75775 8 h after light 4.58312 3.81178 5.35446 4 h after dark 4.61008 4.00298 5.21718 8 h after dark 5.242125 4.86831 5.61594 12 h after dark 4.83428 4.5166 5.15196