Table 2
Average environmental temperature, relative humidity (RH) and temperature humidity index (THI) during the experimental period

Environmental Variables	May	June	July	SE	P Value
Minimum Temperature	25.60 a	28.02 b	26.91 b	0.51	<.0001*
Maximum Temperature	46.46 a	41.08 b	36.83 c	0.82	<.0001*
Average Temperature	36.03 a	34.55 b	31.88 c	0.61	<.0001*
Relative Humidity	21.67 a	33.53 b	77.32 c	2.41	<.0001*
THI	79.88a	80.57 a	85.36 b	0.60	<.0001*