condition mean min max 0 h after light 3.043075 2.08663 3.99952 2 h after light 9.72878 9.68692 9.77064 4 h after light 11.096499999999999 11.075 11.118 8 h after light 27.5379 25.8066 29.2692 12 h after light 21.30735 20.1904 22.4243 2 h after dark 9.366264999999999 8.82979 9.90274 4 h after dark 6.66933 6.29489 7.04377 8 h after dark 8.147255000000001 8.01406 8.28045 12 h after dark 5.882425 5.70422 6.06063