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| Colorado Natural Gas Underground Storage Volume (Million Cubic Feet) | |||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1990 | 66,554 | 61,757 | 56,567 | 52,684 | 52,375 | 56,614 | 62,829 | 68,028 | 73,035 | 74,259 | 80,053 | |
| 1991 | 71,524 | 69,768 | 62,807 | 61,367 | 62,448 | 66,425 | 70,705 | 75,800 | 80,506 | 82,065 | 83,134 | 82,145 |
| 1992 | 78,319 | 74,888 | 68,199 | 64,030 | 63,685 | 65,682 | 69,830 | 76,095 | 82,007 | 84,134 | 81,041 | 78,303 |
| 1993 | 73,838 | 68,733 | 66,224 | 62,799 | 65,511 | 70,157 | 73,322 | 77,155 | 81,457 | 81,981 | 79,475 | 78,303 |
| 1994 | 72,798 | 67,880 | 65,147 | 60,034 | 65,538 | 67,050 | 71,639 | 76,943 | 82,093 | 82,347 | 80,736 | 77,356 |
| 1995 | 73,047 | 69,545 | 64,567 | 59,852 | 62,142 | 70,945 | 73,047 | 77,326 | 80,150 | 81,357 | 82,831 | 77,475 |
| 1996 | 68,777 | 67,398 | 62,293 | 60,985 | 63,332 | 68,622 | 73,761 | 77,441 | 81,241 | 81,277 | 81,147 | 78,148 |
| 1997 | 72,625 | 67,763 | 65,695 | 60,125 | 65,454 | 70,711 | 76,250 | 80,739 | 85,879 | 85,421 | 82,144 | 77,520 |
| 1998 | 72,497 | 68,386 | 64,641 | 61,029 | 66,977 | 70,929 | 74,943 | 80,786 | 86,697 | 88,658 | 90,505 | 83,089 |
| 1999 | 79,098 | 75,420 | 72,160 | 63,279 | 63,585 | 69,062 | 75,804 | 81,240 | 86,113 | 88,532 | 89,406 | 84,304 |
| 2000 | 78,107 | 74,753 | 68,167 | 66,785 | 67,417 | 72,028 | 76,652 | 81,438 | 83,628 | 85,578 | 81,594 | 76,741 |
| 2001 | 72,347 | 67,973 | 66,186 | 65,526 | 67,784 | 71,853 | 76,035 | 80,734 | 85,847 | 85,091 | 85,157 | 83,632 |
| 2002 | 78,741 | 71,559 | 65,793 | 68,014 | 67,314 | 70,604 | 74,552 | 81,213 | 85,223 | 84,363 | 84,324 | 82,219 |
| 2003 | 77,989 | 69,739 | 64,954 | 64,220 | 63,582 | 68,266 | 71,695 | 77,814 | 82,022 | 85,104 | 83,282 | 81,350 |
| 2004 | 77,862 | 73,164 | 72,758 | 64,137 | 63,835 | 67,269 | 71,660 | 79,113 | 84,112 | 86,732 | 84,709 | 81,572 |
| 2005 | 76,884 | 72,832 | 67,041 | 61,353 | 64,482 | 67,853 | 71,551 | 76,194 | 81,498 | 85,167 | 85,005 | 80,773 |
| 2006 | 79,883 | 72,217 | 69,631 | 66,234 | 66,967 | 70,379 | 74,653 | 79,654 | 83,415 | 83,385 | 83,267 | 78,801 |
| 2007 | 70,819 | 69,013 | 69,356 | 64,252 | 66,208 | 69,646 | 73,864 | 80,453 | 83,845 | 85,666 | 82,216 | 77,931 |
| 2008 | 73,264 | 71,580 | 66,485 | 63,075 | 64,403 | 67,413 | 71,803 | 76,788 | 82,710 | 85,407 | 84,131 | 80,055 |
| 2009 | 76,008 | 73,119 | 68,709 | 64,500 | 66,205 | 69,601 | 76,959 | 84,010 | 88,862 | 91,966 | 93,498 | 86,993 |
| 2010 | 78,416 | 73,413 | 67,404 | 63,088 | 64,840 | 69,973 | 77,415 | 84,064 | 87,405 | 89,079 | 86,068 | 80,805 |
| 2011 | 74,070 | 68,984 | 67,743 | 63,112 | 64,458 | 70,298 | 75,965 | 82,152 | 87,830 | 89,147 | 90,370 | |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 1/30/2012 |
| Next Release Date: 2/29/2012 |