condition mean min max 1 h after light 20.53019289 18.97168914 22.08869664 3 h after light 18.991703916666665 17.13712611 20.99377187 5 h after light 19.000768026666666 17.86737234 19.65987176 7 h after light 17.983905993333334 16.175421300000004 19.09706996 9 h after light 17.501088113333335 16.35213574 18.96413436 11 h after light 19.759949653333333 17.29826936 21.74438145 13 h after light 20.330266253333335 16.00983304 24.88865318 15 h after light 21.526168986666665 18.84353197 25.62497328 1 h after dark 19.634854360000002 18.89048014 20.92630571 3 h after dark 20.12397428 16.74879115 22.97436687 5 h after dark 20.931183126666667 20.17235007 21.88731532 7 h after dark 17.653026393333334 15.68476843 19.3700633