condition mean min max 4 h after light 21.54525 19.3359 23.7546 8 h after light 20.91175 19.533 22.2905 12 h after light 23.029049999999998 22.7039 23.3542 4 h after dark 30.810866666666666 29.8214 31.9136 8 h after dark 34.5282 33.2649 36.6625 12 h after dark 28.679100000000002 25.3307 32.7049