condition mean min max 0 h after light 21.8925 21.1433 22.6417 4 h after light 37.07055 36.3585 37.7826 8 h after light 43.69365 42.3431 45.0442 4 h after dark 25.87195 25.6931 26.0508 8 h after dark 26.47485 25.9301 27.0196 12 h after dark 21.5255 19.1445 23.9065