condition mean min max 3 h after light 11.854866666666666 10.3631 12.7791 6 h after light 34.7024 32.5447 36.0989 9 h after light 51.8194 41.3077 61.259 12 h after light 42.740899999999996 11.3313 62.7652 3 h after dark 28.727033333333335 26.727 31.5857 6 h after dark 15.556533333333332 14.5724 16.0873 9 h after dark 11.185066666666666 10.5926 11.8992 12 h after dark 8.536394999999999 7.92591 9.14688