condition mean min max 4 h after light 8.64289 7.75489 9.53089 8 h after light 5.117929999999999 4.30762 5.92824 12 h after light 7.12462 3.97724 10.272 4 h after dark 14.331833333333332 12.2502 15.8235 8 h after dark 12.138533333333333 8.48338 18.3439 12 h after dark 8.468193333333334 4.72588 10.3427