condition mean min max 4 h after light 23.46965 18.2994 28.6399 8 h after light 19.04395 19.0373 19.0506 12 h after light 23.5071 21.7703 25.2439 4 h after dark 33.30303333333333 31.9005 34.9021 8 h after dark 39.44863333333333 37.3177 41.8399 12 h after dark 26.0347 24.604 27.961