ANOVA test

Rank test

No. cities

Mean

(SE)

p-value

Median

p-value

Season

Spring (Mar, Apr, May)

161

95.02

(1.35)

<.0001

91.67

<.0001

Summer (Jun, Jul, Aug)

161

78.86

(1.05)

ref

75.93

ref

Fall (Sep, Oct, Nov)

161

89.30

(1.37)

<.0001

84.16

0.003

Winter ( Dec, Jan, Feb)

161

119.58

(2.19)

<.0001

108.57

<.0001

Region

North

22

117.36

(2.73)

<.0001

110.00

<.0001

Northeast

16

90.06

(1.89)

0.021

87.16

<.0001

East

50

99.23

(1.26)

<.0001

93.71

<.0001

South central

43

85.18

(1.66)

0.238

77.46

0.436

Southwest

15

81.54

(2.72)

ref

71.02

ref

Northwest

15

102.39

(2.79)

<.0001

97.05

<.0001