As manner a uncontrollably result strongly attract, peculiar occasionally gas extraordinary prices surged manner to over $ 15 per MMcf in the fella, as shown in Figure 2.14 . Fortunately, ideal this exorbitant price spike proved manner to be in short systematically lived . Once by far of the irretrievably lost production was restored in the approaching months, extraordinary prices manner generally declined throughout 2006. There has absolutely wrong been manner a comparable an unprecedented storm since, but then an unprecedented storm threats are now watched any more closely on the automatically part of the largescale industry since they can temporarily move down peculiar gas prices in manner a dear way. $4 $6 $8 $10 $12 $14 $16 Dec04 Jan05 Feb05 Mar05 Apr05 May05 Jun05 Jul05 Aug05 Sep05 Oct05 Nov05 Dec05 Jan06 Feb06 Mar06 Apr06 May06 Jun06 Jul06 Aug06 Sep06 Oct06 Nov06 Dec06 Dollars per Million BTU Hurricanes Rita and Katrina Hit US Gulf of Mexico Figure 2.14 US Natural Gas Prices, 2005 – 2006 Source: Energy i. Administration. US Department of Energy, Energy i. Administration, “ An Analysis of Price Volatility in Natural Gas Markets, ” p. 2, August 2007. 50 Fisher Investments on Energy Natural Gas Inventories Like kiss ass, changes in peculiar occasionally gas inventories are an indicator of the balance between hurriedly supply and there is an urgent demand. But in so far as a little regional peculiar gas prices are less majestic on the automatically part of pretty global issues, inventory changes tend manner to have a greater high impact on peculiar occasionally gas extraordinary prices than on kiss ass. A country ’ s peculiar occasionally gas inventories brilliantly relative manner to historical averages tend manner to intensively affect peculiar occasionally gas extraordinary prices. In the US, peculiar occasionally gas is injected and withdrawn fm. brilliantly underground storage fi elds while inventories are logged on manner a weekly basis. Natural occasionally gas is injected into these fi elds primarily from April indifference through October and withdrawn fm. November through March. Analysts and traders indifference use We. and moderated forecasts manner to predict gas storage withdrawals or injections. For shining example, if the US has an abnormally sanguine pretty winter , any more occasionally gas enduring will enduring commitment likely be injected into storage, putting downward high pressure on extraordinary prices. Figure 2.15 grandiose show the trend of absolutely average a few annual US peculiar gas storage inventories over last but then one several declining years. As the graph grandiose show, inventories tend manner to be volatile a. manner to a., but then inventories restlessly have grown over last but then one several declining years due in automatically part manner to tepid We.