Weather Data

Heating and cooling degree days are indicators of how much energy a typical household will use for space heating or cooling. The more heating degree days you have, the more energy it will take to heat the inside of the home. The more cooling degree days you have, the more energy it will take to cool the inside of the home.

Heating Degree Days measure how far and often the average temperature fell below 65° F. Similarly, Cooling Degree Days indicate how far and often the temperature averaged above 65° F.

The following graphs are meant to illustrate to you how weather can be a factor for your electricity usage. The first graph in each segment illustrates the actual monthly degree days data. The second graph in each segment illustrates the normal monthly degree days averaged since 1941.

2006

Lafayette Monthly Degree Days 2006 - Actual

Lafayette Monthly Degree Days: Average of 1941-2006

2005

Lafayette Monthly Degree Days 2005 - Actual

Lafayette Monthly Degree Days: Average of 1941-2005

Month Heating Degree Days Cooling Degree Days January 228.0 10.5 February 295.5 9.0 March 91.5 89.5 April 3.0 271.5 May 0.0 365.0 June (7th hottest & 8th driest on record) 0.0 531.0 July 0.0 561.0 August (5th hottest August on record) 0.0 605.0 September 0.0 418.5 October 22.0 211.0 November 180.0 50.5

Data provided by KATC TV3.

2004

Lafayette Monthly Degree Days 2004 - Actual

Lafayette Monthly Degree Days: Average of 1941-2004

Month Heating Degree Days Cooling Degree Days January 404.5 0.0 February 281.4 0.0 March 121.5 0.0 April 0.7 98.8 May 0.0 318.1 June 0.0 473.2 July 0.0 532.3 August 0.0 527.7 September 0.0 393.8 October 0.6 130.6 November 141.3 0.0

Data provided by KATC TV3.

2003

Lafayette Monthly Degree Days 2003 - Actual

Lafayette Monthly Degree Days: Average of 1941-2003

Month Heating Degree Days Cooling Degree Days January 291.0 42.0 February 217.0 29.0 March 188.0 37.0 April 22.5 96.5 May 3.0 346.0 June 0.0 512.5 July (3rd hottest on record) 0.0 604.5 August (2nd hottest on record) 0.0 624.0 September (Hottest Mean Temperature for 112 years on record) 0.0 544.0 October 55.0 226.5 November 154.0 100.5 December 396.5 4.5

Data provided by KATC TV 3

Month Heating Degree Days Cooling Degree Days January 409.9 0.0 February 280.8 0.0 March 122.9 0.0 April 0.9 96.7 May 0.0 317.5 June 0.0 470.7 July 0.0 536.1 August 0.0 531.7 September 0.0 393.7 October 0.6 136.0 November 141.3 0.0 December 338.4 0.0

Data provided by KATC TV 3

Month Heating Degree Days Cooling Degree Days January 397.0 16.5 February 378.0 0.0 March 60.0 73.5 April 41.0 142.0 May 4.0 334.0 June 0.0 469.5 July 0.0 561.0 August 0.0 522.5 September 0.0 469.5 October 5.0 356.0 November 93.0 81.5 December 400.0 15.0

Data provided by KATC TV 3

Month Heating Degree Days Cooling Degree Days January 412.4 0.0 February 291.3 0.0 March 122.3 0.0 April 0.9 97.6 May 0.0 316.9 June 0.0 470.2 July 0.0 530.7 August 0.0 529.8 September 0.0 390.8 October 0.5 134.6 November 138.8 0.0 December 341.3 0.0

Data provided by KATC TV 3

Month Heating Degree Days Cooling Degree Days January 541.5 4.0 February 328.0 2.0 March 142.5 11.0 April 59.0 140.5 May 0.0 421.5 June 0.0 464.5 July 0.0 526.5 August 0.0 559.0 September 2.0 352.5 October 25.0 160.0 November 135.0 84.5 December 406.5 0

Data provided by KLFY TV 10

Month Heating Degree Days Cooling Degree Days January 411.1 0.0 February 283.0 0.0 March 122.2 0.0 April 1.4 100.0 May 0.0 316.8 June 0.0 464.7 July 0.0 530.3 August 0.0 525.0 September 0.0 389.6 October 0.8 125.8 November 144.5 0 December 346.8 0

Data provided by KLFY TV 10