condition mean min max 0 h after light 19.81895 17.5704 22.0675 2 h after light 10.285834999999999 7.26417 13.3075 4 h after light 12.398795 9.35149 15.4461 8 h after light 13.57995 11.809 15.3509 12 h after light 12.90525 11.4845 14.326 2 h after dark 22.3703 19.0427 25.6979 4 h after dark 25.93665 25.872 26.0013 8 h after dark 33.78475 30.5537 37.0158 12 h after dark 25.09285 24.5607 25.625