condition mean min max 0 h after light 31.09305 30.3636 31.8225 2 h after light 33.7214 32.9926 34.4502 4 h after light 49.8039 48.1883 51.4195 8 h after light 43.734300000000005 35.0401 52.4285 12 h after light 46.12165 41.6292 50.6141 2 h after dark 67.85974999999999 60.9606 74.7589 4 h after dark 63.5407 63.4623 63.6191 8 h after dark 52.040049999999994 50.2343 53.8458 12 h after dark 31.91315 29.3569 34.4694