Table 3. Correlations of variables affecting laying rate with R-squared values

	Low RH	DTR	High T	Low T	High RH	LR
Avg RH	0.82^a	0.07^*	0.81^a	0.84^a	−0.38^a	−0.03^*
Low RH		0.08^c	0.73^a	0.86^a	−0.43^a	−0.1^c
High RH			0.13^b	0.12^c	−0.34^a	0.26^a
High T				0.93^a	−0.22^a	−0.04^*
Low T					−0.35^a	−0.07^*
DTR						−0.22^a

The different letters of superscript within the column significantly differ (P<0.01). An asterisk (^*) is used to indicate when the P-value is not significant