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Quarterly Data - Unaudited
 12 Months Ended
Dec. 31, 2021
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Data - Unaudited

Note 9 - Quarterly Data - Unaudited

Financial information for each quarter of 2021 and 2020 is as follows:

(Thousands of Dollars, Except per Share Data)

2021

1st

2nd

3rd

4th

Total

 

Operating Revenues

$

32,541

$

36,701

$

39,874

$

34,025

$

143,141

Operating Income

5,634

9,814

11,424

6,339

33,211

Net Income

6,907

10,923

11,476

7,237

36,543

Basic Earnings per Share

$

0.39

$

0.62

$

0.65

$

0.42

$

2.08

Diluted Earnings per Share

$

0.39

$

0.62

$

0.65

$

0.41

$

2.07

Common Dividend Per Share

$

0.2725

$

0.2725

$

0.2725

$

0.2900

$

1.1075

High/Low Common Stock Price

$

85.92/$67.09

$

88.61/$77.31

$

116.40/$81.02

$

119.37/$98.12

2020

1st

2nd

3rd

4th

Total

 

Operating Revenues

$

31,769

$

35,277

$

39,920

$

34,626

$

141,592

Operating Income

6,527

9,385

13,177

8,331

37,420

Net Income

7,668

9,713

12,737

8,307

38,425

Basic Earnings per Share

$

0.44

$

0.55

$

0.73

$

0.47

$

2.19

Diluted Earnings per Share

$

0.44

$

0.55

$

0.72

$

0.47

$

2.18

Common Dividend Per Share

$

0.2563

$

0.2563

$

0.2563

$

0.2725

$

1.0414

High/Low Common Stock Price

$

69.92/$48.79

$

72.41/$53.70

$

69.89/$59.61

$

76.08/$61.81

The information above, in the opinion of the Company, includes all adjustments consisting only of normal recurring accruals necessary for a fair presentation of such amounts. The business of the Company is subject to seasonal fluctuation with the peak period usually occurring during the summer months. The quarterly earnings per share amounts above may differ slightly from previous filings due to the effects of rounding.