condition mean min max 0 h after light 11.70475 11.5993 11.8102 4 h after light 11.23187 9.79214 12.6716 8 h after light 10.56336 9.90052 11.2262 4 h after dark 12.7605 12.3299 13.1911 8 h after dark 9.90249 9.19968 10.6053 12 h after dark 9.595849999999999 8.6723 10.5194