condition mean min max 0 h after light 1.21667 1.17183 1.26151 2 h after light 0.65781 0.0 1.31562 4 h after light 0.287166 0.0 0.574332 8 h after light 0.603946 0.602798 0.605094 12 h after light 1.88592 1.7654 2.00644 2 h after dark 6.623115 6.03208 7.21415 4 h after dark 3.43209 2.9222 3.94198 8 h after dark 3.236375 3.17765 3.2951 12 h after dark 4.63091 3.00749 6.25433