condition mean min max 4 h after light 6.602009 3.717775 8.960369 8 h after light 4.347161 3.0278970000000003 6.924946 12 h after light 4.124897 1.9021919999999999 6.0628779999999995 16 h after light 10.447801 9.107273 11.4019 4 h after dark 8.441450333333334 5.1038440000000005 10.66976 8 h after dark 5.154511666666667 3.104591 6.294444