condition mean min max 4 h after light 7402.562666666667 6966.217 8020.214 8 h after light 2706.164 1509.1270000000002 3407.781 12 h after light 2347.6466666666665 1997.1570000000002 2798.241 16 h after light 4005.3663333333334 3116.7259999999997 4888.228 4 h after dark 3569.873 3501.355 3618.639 8 h after dark 4955.735333333334 3777.6240000000003 5941.16