condition mean min max 1 h after light 15.20061538 15.20061538 15.20061538 3 h after light 3.3449607965 2.871892828 3.818028765 5 h after light 3.347734715 3.1800240960000004 3.515445334 7 h after light 5.484630301499999 5.270977675 5.698282927999999 9 h after light 5.114717292 4.989743013 5.239691571 11 h after light 6.930858949499999 6.641528659 7.22018924 1 h after dark 6.9831801395 6.445701869 7.52065841 3 h after dark 8.435258508 5.950569876 10.91994714 5 h after dark 6.9854903870000005 5.7849163 8.186064474 7 h after dark 8.6936869345 8.445342851 8.942031018 9 h after dark 10.472443502 9.941262144 11.00362486 11 h after dark 11.86002755 11.85384184 11.86621326