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QUARTERLY FINANCIAL DATA (UNAUDITED)
 12 Months Ended
Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]  
QUARTERLY FINANCIAL DATA (UNAUDITED)
QUARTERLY FINANCIAL DATA (UNAUDITED)
A summary of Questar Gas' quarterly results of operations for the years ended December 31, 2016 and 2015 follows. Amounts reflect all adjustments necessary in the opinion of management for a fair statement of the results for the interim periods. Results for interim periods may fluctuate as a result of weather conditions, changes in rates and other factors.

 
First
Quarter

Second
Quarter

Third
Quarter

Fourth
Quarter

Year

(millions)
 
 
 
 
 
2016
 
 
 
 
 
Operating revenue
$
407.9

$
128.2

$
87.9

$
297.3

$
921.3

Income (loss) from operations
83.4

3.8

(19.8
)
53.3

120.7

Net income (loss)
47.6

(1.6
)
(17.7
)
28.9

57.2

2015
 
 
 
 
 
Operating revenue
$
374.8

$
141.7

$
89.3

$
311.8

$
917.6

Income (loss) from operations
76.6

1.4

(8.9
)
53.5

122.6

Net income (loss)
43.8

(2.8
)
(8.8
)
32.1

64.3



Questar Gas' 2016 results include the impact of the following significant item:
•
Third quarter results include a $7.7 million after tax-charge for transaction costs associated with the Dominion Questar Combination