condition mean min max 4 h after light 45.4297 38.7427 52.1167 8 h after light 38.32145 37.8587 38.7842 12 h after light 31.91505 31.5333 32.2968 4 h after dark 35.5699 33.1841 38.3232 8 h after dark 47.003499999999995 42.1515 54.6966 12 h after dark 39.28613333333333 38.9771 39.5118