temperature for hatch time
Day 1 - 20 (Incubator) the temperature should be 99.4 F and the humidity should be 83-84 F wet bulb (53% relative humidity). Day 21 - 25 (Hatcher) the temperature should be 98 F and the humidity should be 83-84 F wet bulb (53% relative humidity). When chicks actively begin to hatch (approximately 23Â½ -24 days) increase humidity to 91 F wet bulb (75-76% relative humidity).