Month

Mean

Standard deviation

Minimum

Maximum

State

JAN

0.18

0.41

−0.79

1.63

Above-normal

FEB

0.34

0.50

−0.79

1.95

Above-normal

MAR

0.47

0.52

−0.69

1.95

Above-normal

APR

0.48

0.49

−0.65

1.73

Above-normal

MAY

0.23

0.38

−0.71

1.17

Above-normal

JUN

−0.12

0.26

−0.76

0.65

Below-normal

JUL

−0.35

0.16

−0.77

0.10

Below-normal

AUG

−0.43

0.14

−0.76

0.32

Below-normal

SEP

−0.38

0.20

−0.70

0.63

Below-normal

OCT

−0.26

0.21

−0.53

0.63

Below-normal

NOV

−0.13

0.20

−0.44

0.41

Below-normal

DEC

0.08

0.28

−0.65

1.02

Above-normal