condition mean min max 4 h after light 54.0182 51.2731 56.7633 8 h after light 33.2893 31.8363 34.7423 12 h after light 26.391 25.4204 27.3616 4 h after dark 31.502049999999997 30.9834 32.0207 8 h after dark 38.4415 35.3007 41.5823 12 h after dark 46.9771 46.3355 47.6187