condition mean min max 1 h after light 3.885168228 3.885168228 3.885168228 3 h after light 2.2844346140000003 2.245311473 2.323557755 5 h after light 2.7093444115 2.05415212 3.364536703 7 h after light 3.7301246829999997 3.7070882939999996 3.7531610719999997 9 h after light 3.22788597 2.950217405 3.505554535 11 h after light 5.97726072 4.066083835 7.888437605 1 h after dark 6.787915222 6.780871718999999 6.794958725 3 h after dark 8.19066348 7.192388152 9.188938808 5 h after dark 8.4380166045 7.9656524079999995 8.910380801 7 h after dark 8.665640359000001 8.591491900000001 8.739788818 9 h after dark 8.827102018 8.186902348 9.467301688 11 h after dark 8.8571108295 8.805999741 8.908221917999999