condition mean min max 0 h after light 0.587998 0.447504 0.728492 4 h after light 5.7868200000000005 3.30911 8.26453 8 h after light 2.5588550000000003 2.21369 2.90402 4 h after dark 0.22051315 0.0549383 0.386088 8 h after dark 2.04978 1.3773 2.72226 12 h after dark 0.6909855 0.655753 0.726218