condition mean min max 0 h after light 7.507745 7.14628 7.86921 2 h after light 5.088215 4.93565 5.24078 4 h after light 6.853289999999999 6.29157 7.41501 8 h after light 5.21183 4.88472 5.53894 12 h after light 8.12288 7.81517 8.43059 2 h after dark 8.57287 8.36537 8.78037 4 h after dark 8.20072 6.92953 9.47191 8 h after dark 9.871285 9.39497 10.3476 12 h after dark 7.763555 7.221 8.30611