condition mean min max 4 h after light 12.12747 12.028319999999999 12.269110000000001 8 h after light 12.803686666666668 12.71526 12.85104 12 h after light 12.783760000000001 12.73705 12.811060000000001 4 h after dark 12.278956666666666 12.24888 12.33187 8 h after dark 11.922713333333332 11.8103 12.015039999999999 12 h after dark 11.387573333333334 11.31743 11.47432