condition mean min max 0 h after light 69.8853 67.9696 71.801 4 h after light 28.913899999999998 28.5824 29.2454 8 h after light 18.18175 17.9571 18.4064 4 h after dark 31.4831 29.5463 33.4199 8 h after dark 33.49495 32.622 34.3679 12 h after dark 57.9439 47.5561 68.3317