condition mean min max 2 h after light 68.9033 67.3552 69.8597 6 h after light 59.0944 57.9168 60.4111 10 h after light 51.74093333333333 49.3315 54.5729 2 h after dark 33.1494 32.4098 34.089 6 h after dark 40.6605 39.8249 41.6512 10 h after dark 43.078466666666664 42.8613 43.3099