condition mean min max 4 h after light 38.40251 35.41515 44.1915 8 h after light 48.05582 26.63246 60.1516 12 h after light 32.1038 28.10732 34.41202 16 h after light 32.068843333333334 21.63588 44.99198 4 h after dark 58.953916666666665 49.58038 66.17495 8 h after dark 35.245666666666665 22.43069 45.64045