condition mean min max 4 h after light 5.41074 5.29715 5.55512 8 h after light 5.303436666666667 5.15198 5.46088 12 h after light 5.18656 5.12664 5.29715 4 h after dark 5.2689200000000005 5.126180000000001 5.44705 8 h after dark 5.31689 5.2391 5.3889 12 h after dark 5.270933333333334 5.15232 5.440580000000001