condition mean min max 0 h after light 82.68795 77.9374 87.4385 2 h after light 63.82165 57.0484 70.5949 4 h after light 60.98375 57.5211 64.4464 8 h after light 58.59285 51.9312 65.2545 12 h after light 57.88075 57.1914 58.5701 2 h after dark 59.29875 53.0168 65.5807 4 h after dark 59.349450000000004 58.3515 60.3474 8 h after dark 89.3789 88.3802 90.3776 12 h after dark 89.7003 85.3372 94.0634