condition mean min max 4 h after light 87.9878 76.6544 99.3212 8 h after light 34.54 32.6644 36.4156 12 h after light 34.67785000000001 34.5339 34.8218 4 h after dark 50.746566666666666 45.6598 55.2709 8 h after dark 86.06253333333333 81.2616 88.5702 12 h after dark 105.92556666666667 99.2577 110.049