condition mean min max 4 h after light 12.7732445 12.11496 13.431529 8 h after light 11.644430499999999 11.395532 11.893329 12 h after light 12.7113735 12.677145 12.745602 4 h after dark 12.263822000000001 12.11496 12.412684 8 h after dark 11.110703 10.59575 11.625656 12 h after dark 12.11496 12.11496 12.11496