condition mean min max 4 h after light 3.440043333333333 3.11563 4.03109 8 h after light 3.9964566666666665 0.96964 6.74711 12 h after light 4.529543333333334 2.71116 7.15029 4 h after dark 4.91845 3.97057 5.87705 8 h after dark 3.8815299999999997 3.33942 4.51547 12 h after dark 3.19894 2.75059 3.99599