condition mean min max 4 h after light 11.2577085 9.712227 12.80319 8 h after light 11.271223500000001 10.47803 12.064417 12 h after light 11.6015385 9.973063 13.230014 4 h after dark 11.413715499999999 10.342255 12.485176 8 h after dark 12.554342 11.077912 14.030772 12 h after dark 11.074471 11.074471 11.074471