condition mean min max 0 h after light 13.1768 11.4058 14.9478 2 h after light 12.084 11.0286 13.1394 4 h after light 9.35968 8.94421 9.77515 8 h after light 8.382014999999999 7.83567 8.92836 12 h after light 12.18435 10.1605 14.2082 2 h after dark 9.406395 8.32179 10.491 4 h after dark 10.107645 9.58019 10.6351 8 h after dark 11.5454 10.9882 12.1026 12 h after dark 13.7226 12.6764 14.7688