condition mean min max 0 h after light 10.11845 10.0031 10.2338 2 h after light 7.168785 6.80529 7.53228 4 h after light 5.335025 5.18293 5.48712 8 h after light 4.762565 4.61798 4.90715 12 h after light 6.60712 5.95483 7.25941 2 h after dark 6.932925 6.63652 7.22933 4 h after dark 6.083545 5.88956 6.27753 8 h after dark 9.688189999999999 9.38844 9.98794 12 h after dark 10.8026 10.6092 10.996