condition mean min max 4 h after light 40.6890105 32.984152 48.393869 8 h after light 34.7776135 24.9051 44.650127 12 h after light 52.533912 50.020048 55.047776 4 h after dark 37.2374205 34.840043 39.634798 8 h after dark 50.536654999999996 35.555541 65.517769 12 h after dark 57.784072 57.784072 57.784072