condition mean min max 0 h after light 19.5307 16.8009 22.2605 2 h after light 18.67625 18.6449 18.7076 4 h after light 13.885200000000001 13.3285 14.4419 8 h after light 17.50915 13.0799 21.9384 12 h after light 25.084400000000002 24.8577 25.3111 2 h after dark 26.8251 26.7435 26.9067 4 h after dark 24.19595 22.5449 25.847 8 h after dark 22.96045 21.9498 23.9711 12 h after dark 20.516399999999997 18.279 22.7538