condition mean min max 1 h after light 3.198731261 2.91120436 3.486258162 3 h after light 5.803746772333334 2.926301042 7.771358366 5 h after light 9.322276340666667 8.111182362000001 10.46338509 7 h after light 9.276048862 8.714243409 10.190580699999998 9 h after light 11.75740416 10.57929308 12.98312954 11 h after light 13.048384833333333 11.42392476 15.94345283 1 h after dark 11.621962056666668 10.65267465 12.77511686 3 h after dark 11.997056143333333 8.33805032 15.34422192 5 h after dark 10.071866729666667 8.621445808999999 10.93694596 7 h after dark 9.330175826 8.794324286 9.745689913 9 h after dark 9.464168927666668 8.133964151 11.39285946 11 h after dark 8.409621018333333 6.862477605 9.449104221