condition mean min max 3 h after light 13.3560575 8.17343 20.124 7 h after light 16.2554 12.2341 21.8341 11 h after light 17.834958333333333 12.1307 28.313 2 h after dark 20.361341666666668 13.161 32.0819 6 h after dark 9.89442 6.81245 14.2382 10 h after dark 8.021415 6.1078 9.98689