condition mean min max 0 h after light 2.0082 1.77054 2.24586 2 h after light 2.498365 1.90223 3.0945 4 h after light 1.9824 1.76334 2.20146 8 h after light 2.576745 1.89767 3.25582 12 h after light 4.5862 3.34599 5.82641 2 h after dark 4.1936 3.77079 4.61641 4 h after dark 6.015485 5.56069 6.47028 8 h after dark 5.0727899999999995 4.86378 5.2818 12 h after dark 2.94246 2.72479 3.16013