condition mean min max 4 h after light 3.972496 3.862744 4.150393 8 h after light 3.562736 2.577541 4.9645470000000005 12 h after light 5.070317999999999 3.5485589999999996 5.9299599999999995 16 h after light 4.6121973333333335 3.678034 5.647794 4 h after dark 6.008332666666666 3.083098 11.210139999999999 8 h after dark 2.6910433333333335 1.777586 4.031242