condition mean min max 0 h after light 60.9465 54.601 67.292 2 h after light 21.73865 16.7795 26.6978 4 h after light 18.46765 17.3293 19.606 8 h after light 27.2718 20.779 33.7646 12 h after light 33.5522 31.8357 35.2687 2 h after dark 42.27195 35.9723 48.5716 4 h after dark 48.083299999999994 43.3989 52.7677 8 h after dark 84.74825000000001 81.8632 87.6333 12 h after dark 79.68025 76.3498 83.0107