condition mean min max 0 h after light 6.15173 5.73326 6.5702 2 h after light 4.63347 4.076 5.19094 4 h after light 3.423425 2.9006 3.94625 8 h after light 4.00335 3.99574 4.01096 12 h after light 7.68394 6.50122 8.86666 2 h after dark 11.615805 9.52261 13.709 4 h after dark 7.3268249999999995 7.01018 7.64347 8 h after dark 9.472725 8.11275 10.8327 12 h after dark 7.7116050000000005 6.11995 9.30326