condition mean min max 3 h after light 85.5509 76.2218 102.204 6 h after light 64.87833333333333 43.7277 88.3461 9 h after light 76.22736666666667 56.8086 93.4134 12 h after light 87.225675 79.5593 94.7695 3 h after dark 87.60753333333334 79.9051 96.6491 6 h after dark 85.5283 83.1501 87.6815 9 h after dark 64.47456666666666 51.3689 74.4695 12 h after dark 60.04774999999999 55.727 64.3685