equation

r

r²

r0.01

Spring

y = 7.849 + 0.71x − 0.02x²

0.852**

0.7295

0.826

Summer

y = 4.589 + 0852x − 0.02x²

0.9278**

0.8609

0.852

Autumn

y = 3.773 + 0.622x − 0.007x²

0.9665**

0.934

0.826

Winter

y = 5.275 + 0.947x − 0.04x²

0.8202*

0.6727

0.826