condition mean min max 0 h after light 6.00875 4.51154 7.50596 2 h after light 5.277615 4.10869 6.44654 4 h after light 4.5032049999999995 4.42235 4.58406 8 h after light 8.66623 8.47132 8.86114 12 h after light 7.948980000000001 7.00274 8.89522 2 h after dark 8.92377 5.91144 11.9361 4 h after dark 7.6239550000000005 7.36395 7.88396 8 h after dark 7.875674999999999 5.07445 10.6769 12 h after dark 6.188969999999999 4.37803 7.99991