condition mean min max 0 h after light 1.6236549999999998 1.13729 2.11002 4 h after light 1.2540550000000001 1.00215 1.50596 8 h after light 1.158322 0.852974 1.46367 4 h after dark 1.3765794999999998 0.485769 2.26739 8 h after dark 0.49987899999999996 0.25418 0.745578 12 h after dark 1.2716045 0.753929 1.78928