condition mean min max 1 h after light 8.799233512 8.799233512 8.799233512 3 h after light 11.844532486 8.714492522 14.97457245 5 h after light 17.046043415 16.80295898 17.28912785 7 h after light 20.844432740000002 20.03421397 21.65465151 9 h after light 18.80889267 17.19982855 20.41795679 11 h after light 25.99074267 20.87750096 31.10398438 1 h after dark 36.747489225 25.79742224 47.69755621 3 h after dark 38.775523719999995 29.12182806 48.42921938 5 h after dark 38.046703074999996 35.78915262 40.30425353 7 h after dark 39.346990715000004 34.86485443 43.829127 9 h after dark 43.84100567 43.51080769 44.17120365 11 h after dark 47.799072769999995 46.17876786 49.41937768