condition mean min max 1 h after light 1.021457619 1.021457619 1.021457619 3 h after light 2.1405896154999997 2.097352035 2.1838271959999997 5 h after light 2.8835449504999997 2.7021071269999997 3.0649827739999997 7 h after light 6.410522966 5.196890411 7.6241555210000005 9 h after light 7.076909893 7.031048086 7.1227717 11 h after light 7.4786304425 6.017439717999999 8.939821167 1 h after dark 6.9078481315 5.415002449 8.400693814 3 h after dark 7.1223472035 4.097092247 10.14760216 5 h after dark 6.3120916575 6.014573111 6.609610204 7 h after dark 8.498852612 6.990879233999999 10.00682599 9 h after dark 11.236768395 10.91488376 11.55865303 11 h after dark 16.291243665 14.9047309 17.67775643