condition mean min max 1 h after light 17.197626515 17.15785879 17.23739424 3 h after light 20.427751436666668 18.88794309 23.073860600000003 5 h after light 20.987464023333334 20.6467819 21.59005893 7 h after light 19.712959453333333 18.08146923 21.13913848 9 h after light 22.628019196666667 18.68439665 24.80460862 11 h after light 22.4185242 20.27059563 25.84621856 1 h after dark 18.992483536666665 17.4206139 20.61249242 3 h after dark 19.345392836666665 18.5741934 20.39343748 5 h after dark 19.43396971 17.10439669 21.89097545 7 h after dark 19.528909353333333 17.90556116 21.78014034 9 h after dark 17.44287688 15.22319896 19.82486279 11 h after dark 18.18224165333333 17.11675449 19.74540844