condition mean min max 4 h after light 76.0244 74.6431 77.4057 8 h after light 35.01845 34.4227 35.6142 12 h after light 25.9409 25.1025 26.7793 4 h after dark 31.182450000000003 30.4568 31.9081 8 h after dark 41.21295 40.3563 42.0696 12 h after dark 58.94425 56.71 61.1785