condition mean min max 4 h after light 41.4880425 27.052563 55.923522 8 h after light 48.5857015 43.824389 53.347014 12 h after light 28.687732500000003 23.665857 33.709608 4 h after dark 41.06906 31.340677 50.797443 8 h after dark 47.9542385 34.171427 61.73705 12 h after dark 102.229047 102.229047 102.229047