Month

Equation

F-Ratio

P-Value

January

Y = −22.115 + 0.026x

0.053

0.819

February

Y = −14.593 + 0.006x

0.004

0.952

March

Y = −86.153 + 0.069x

0.210

0.648

April

Y = 133.989 + 0.004x

0.000

0.989

May

Y = 417.550 − 0.172x

1.430

0.235

June

Y = 46.587 − 0.019x

0.393

0.532

July

Y = 3.364 − 0.001x

0.000

0.983

August

Y = 5.594 − 0.001x

0.001

0.978

September

Y = 25.706 − 0.005x

0.007

0.933

October

Y = 35.804 + 0.030x

0.028

0.867

November

Y = −235.315 + 0.202x

0.577

0.450

December

Y = −51.530 + 0.056x

0.187

0.667