condition mean min max 1 h after light 18.54400151 16.64027309 20.83818304 3 h after light 19.90366437 14.78479427 23.19208991 5 h after light 18.18382323 16.24681555 20.66562048 7 h after light 20.06715435 14.36824258 26.16343985 9 h after light 18.44651096666667 17.19112784 19.38979149 11 h after light 16.971957276666668 14.19408086 19.953866 13 h after light 15.165874646666666 14.32622176 15.60465765 15 h after light 17.684205643333332 15.95202034 19.82731957 1 h after dark 16.87878215 14.18850363 20.12242909 3 h after dark 17.43415896666667 16.20767272 18.30195535 5 h after dark 15.902968503333334 13.90108662 17.74477194 7 h after dark 19.02855954333333 12.61528635 26.910306899999995