condition mean min max 0 h after light 6.538805 5.90187 7.17574 2 h after light 4.852975 3.94046 5.76549 4 h after light 2.9985999999999997 2.85846 3.13874 8 h after light 3.1394 2.58215 3.69665 12 h after light 4.38277 3.63339 5.13215 2 h after dark 4.2311250000000005 3.93905 4.5232 4 h after dark 3.93147 3.57398 4.28896 8 h after dark 6.09207 5.54969 6.63445 12 h after dark 5.2418949999999995 4.71633 5.76746