condition mean min max 4 h after light 1599.0956666666666 1544.299 1653.2679999999998 8 h after light 2071.0086666666666 1569.024 2585.364 12 h after light 1985.4476666666667 1527.0379999999998 2493.606 16 h after light 2782.5690000000004 2765.9990000000003 2799.9640000000004 4 h after dark 2189.2889999999998 2172.44 2211.573 8 h after dark 1073.5276000000001 784.7518 1276.9180000000001