condition mean min max 4 h after light 10.693115 9.47883 11.9074 8 h after light 9.833535 9.59737 10.0697 12 h after light 12.982099999999999 12.3513 13.6129 4 h after dark 14.507233333333334 13.4115 16.3137 8 h after dark 15.1601 13.9645 17.4269 12 h after dark 8.81289 7.19238 9.86374