Station-level Summaries for Heat Units

Summaries of recent heat-unit data from individual stations

Tucson Station

Data from

  86/55 °F 86/50 °F 86/45 °F 94/55 °F
Date
Daily
Annual
Daily
Annual
Daily
Annual
Daily
Annual
May 15, 2025 14.7 1,309.6 19.3 1,772.4 24.3 2,304.0 14.8 1,347.8
May 14, 2025 15.2 1,294.9 20.2 1,753.1 25.2 2,279.7 15.2 1,333.0
May 13, 2025 23.6 1,279.7 28.6 1,732.9 33.6 2,254.5 24.7 1,317.8
May 12, 2025 24.7 1,256.1 29.7 1,704.3 34.7 2,220.9 27.1 1,293.1
May 11, 2025 26.8 1,231.4 31.8 1,674.6 36.8 2,186.2 30.1 1,266.0
May 10, 2025 27.8 1,204.6 32.8 1,642.8 37.8 2,149.4 30.4 1,235.9
May 9, 2025 19.6 1,176.8 24.6 1,610.0 29.6 2,111.6 21.6 1,205.5
May 8, 2025 16.3 1,157.2 21.0 1,585.4 26.0 2,082.0 16.7 1,183.9
May 7, 2025 13.6 1,140.9 18.1 1,564.4 23.1 2,056.0 13.6 1,167.2
May 6, 2025 8.5 1,127.3 12.9 1,546.3 17.9 2,032.9 8.5 1,153.6
May 5, 2025 7.3 1,118.8 12.2 1,533.4 17.2 2,015.0 7.3 1,145.1
May 4, 2025 14.7 1,111.5 19.7 1,521.2 24.7 1,997.8 14.7 1,137.8
May 3, 2025 18.0 1,096.8 23.0 1,501.5 28.0 1,973.1 18.8 1,123.1
May 2, 2025 17.2 1,078.8 22.1 1,478.5 27.1 1,945.1 18.3 1,104.3
May 1, 2025 17.7 1,061.6 22.7 1,456.4 27.7 1,918.0 18.5 1,086.0
April 30, 2025 15.2 1,043.9 19.9 1,433.7 24.9 1,890.3 15.2 1,067.5
April 29, 2025 11.5 1,028.7 15.4 1,413.8 20.4 1,865.4 11.5 1,052.3
April 28, 2025 10.5 1,017.2 14.1 1,398.4 19.0 1,845.0 10.5 1,040.8
April 27, 2025 11.1 1,006.7 15.9 1,384.3 20.9 1,826.0 11.1 1,030.3
April 26, 2025 17.2 995.6 22.2 1,368.4 27.2 1,805.1 17.4 1,019.2
April 25, 2025 16.7 978.4 21.7 1,346.2 26.7 1,777.9 17.0 1,001.8
April 24, 2025 16.0 961.7 20.5 1,324.5 25.5 1,751.2 16.8 984.8
April 23, 2025 15.7 945.7 20.6 1,304.0 25.6 1,725.7 15.9 968.0
April 22, 2025 16.6 930.0 21.0 1,283.4 26.0 1,700.1 17.7 952.1
April 21, 2025 15.2 913.4 19.0 1,262.4 23.8 1,674.1 16.1 934.4
April 20, 2025 11.5 898.2 14.8 1,243.4 18.7 1,650.3 11.5 918.3
April 19, 2025 5.5 886.7 9.2 1,228.6 14.2 1,631.6 5.5 906.8
April 18, 2025 8.2 881.2 12.0 1,219.4 16.7 1,617.4 8.2 901.3
April 17, 2025 14.0 873.0 19.0 1,207.4 24.0 1,600.7 14.0 893.1
April 16, 2025 18.8 859.0 23.8 1,188.4 28.8 1,576.7 19.8 879.1
April 15, 2025 18.3 840.2 23.3 1,164.6 28.3 1,547.9 19.7 859.3
April 14, 2025 20.3 821.9 25.3 1,141.3 30.3 1,519.6 21.5 839.6
April 13, 2025 20.0 801.6 25.0 1,116.0 30.0 1,489.3 21.5 818.1
April 12, 2025 17.9 781.6 22.8 1,091.0 27.8 1,459.3 20.2 796.6
April 11, 2025 17.8 763.7 22.6 1,068.2 27.6 1,431.5 20.2 776.4
April 10, 2025 17.0 745.9 21.4 1,045.6 26.4 1,403.9 19.0 756.2
April 9, 2025 16.3 728.9 20.5 1,024.2 25.5 1,377.5 17.7 737.2
April 8, 2025 14.8 712.6 18.4 1,003.7 22.9 1,352.0 16.0 719.5
April 7, 2025 11.7 697.8 15.3 985.3 19.2 1,329.1 11.7 703.5
April 6, 2025 7.6 686.1 10.8 970.0 14.5 1,309.9 7.6 691.8
April 5, 2025 4.9 678.5 7.6 959.2 11.0 1,295.4 4.9 684.2
April 4, 2025 4.2 673.6 7.4 951.6 12.0 1,284.4 4.2 679.3
April 3, 2025 4.2 669.4 6.9 944.2 10.3 1,272.4 4.2 675.1
April 2, 2025 4.9 665.2 8.4 937.3 13.2 1,262.1 4.9 670.9
April 1, 2025 9.8 660.3 14.2 928.9 19.2 1,248.9 9.8 666.0
March 31, 2025 11.2 650.5 15.3 914.7 20.3 1,229.7 11.2 656.2
March 30, 2025 9.8 639.3 13.4 899.4 17.9 1,209.4 9.8 645.0
March 29, 2025 12.8 629.5 17.8 886.0 22.8 1,191.5 12.8 635.2
March 28, 2025 15.7 616.7 20.6 868.2 25.6 1,168.7 15.8 622.4
March 27, 2025 17.0 601.0 22.0 847.6 27.0 1,143.1 17.5 606.6
March 26, 2025 21.9 584.0 26.9 825.6 31.9 1,116.1 23.3 589.1
March 25, 2025 17.5 562.1 21.8 798.7 26.8 1,084.2 19.6 565.8
March 24, 2025 15.0 544.6 19.1 776.9 24.0 1,057.4 15.7 546.2
March 23, 2025 13.4 529.6 17.3 757.8 21.9 1,033.4 13.5 530.5
March 22, 2025 12.7 516.2 16.3 740.5 20.6 1,011.5 12.8 517.0
March 21, 2025 10.4 503.5 13.6 724.2 17.3 990.9 10.4 504.2
March 20, 2025 10.0 493.1 13.1 710.6 16.4 973.6 10.0 493.8
March 19, 2025 5.2 483.1 7.8 697.5 11.0 957.2 5.2 483.8
March 18, 2025 3.8 477.9 6.9 689.7 11.0 946.2 3.8 478.6
March 17, 2025 13.3 474.1 16.7 682.8 21.0 935.2 13.4 474.8
March 16, 2025 7.8 460.8 10.9 666.1 14.2 914.2 7.8 461.4
March 15, 2025 2.1 453.0 4.8 655.2 8.8 900.0 2.1 453.6
March 14, 2025 0.0 450.9 1.3 650.4 3.9 891.2 0.0 451.5
March 13, 2025 7.5 450.9 11.0 649.1 15.4 887.3 7.5 451.5
March 12, 2025 9.5 443.4 14.0 638.1 19.0 871.9 9.5 444.0
March 11, 2025 9.0 433.9 12.3 624.1 16.6 852.9 9.0 434.5
March 10, 2025 12.3 424.9 15.5 611.8 19.7 836.3 12.3 425.5
March 9, 2025 8.8 412.6 11.7 596.3 15.0 816.6 8.8 413.2
March 8, 2025 2.5 403.8 5.2 584.6 8.8 801.6 2.5 404.4
March 7, 2025 0.1 401.3 1.9 579.4 5.0 792.8 0.1 401.9
March 6, 2025 7.4 401.2 12.2 577.5 17.2 787.8 7.4 401.8
March 5, 2025 9.1 393.8 12.2 565.3 15.7 770.6 9.1 394.4
March 4, 2025 3.7 384.7 6.2 553.1 9.2 754.9 3.7 385.3
March 3, 2025 2.9 381.0 5.8 546.9 9.7 745.7 2.9 381.6
March 2, 2025 9.4 378.1 12.9 541.1 16.9 736.0 9.4 378.7
March 1, 2025 11.4 368.7 14.7 528.2 18.9 719.1 11.4 369.3
February 28, 2025 8.9 357.3 11.9 513.5 15.3 700.2 8.9 357.9
February 27, 2025 10.5 348.4 13.7 501.6 17.4 684.9 10.5 349.0
February 26, 2025 12.6 337.9 16.1 487.9 20.6 667.5 12.6 338.5
February 25, 2025 12.0 325.3 15.2 471.8 19.3 646.9 12.0 325.9
February 24, 2025 10.7 313.3 13.8 456.6 17.4 627.6 10.7 313.9
February 23, 2025 8.2 302.6 11.0 442.8 14.3 610.2 8.2 303.2
February 22, 2025 6.4 294.4 9.3 431.8 12.6 595.9 6.4 295.0
February 21, 2025 9.3 288.0 12.3 422.5 16.0 583.3 9.3 288.6
February 20, 2025 7.8 278.7 10.9 410.2 14.5 567.3 7.8 279.3
February 19, 2025 8.7 270.9 11.7 399.3 15.1 552.8 8.7 271.5
February 18, 2025 7.8 262.2 11.2 387.6 15.3 537.7 7.8 262.8
February 17, 2025 9.3 254.4 12.6 376.4 16.3 522.4 9.3 255.0
February 16, 2025 7.8 245.1 10.7 363.8 14.0 506.1 7.8 245.7
February 15, 2025 3.2 237.3 5.7 353.1 9.0 492.1 3.2 237.9
February 14, 2025 8.8 234.1 13.2 347.4 18.2 483.1 8.8 234.7
February 13, 2025 8.1 225.3 11.1 334.2 14.6 464.9 8.1 225.9
February 12, 2025 2.9 217.2 5.8 323.1 9.7 450.3 2.9 217.8
February 11, 2025 7.6 214.3 11.7 317.3 16.7 440.6 7.6 214.9
February 10, 2025 10.1 206.7 14.3 305.6 19.3 423.9 10.1 207.3
February 9, 2025 9.9 196.6 13.1 291.3 16.6 404.6 9.9 197.2
February 8, 2025 8.6 186.7 11.5 278.2 15.1 388.0 8.6 187.3
February 7, 2025 8.7 178.1 11.7 266.7 15.2 372.9 8.7 178.7
February 6, 2025 11.6 169.4 14.7 255.0 18.1 357.7 11.6 170.0
February 5, 2025 10.5 157.8 13.6 240.3 17.1 339.6 10.5 158.4
February 4, 2025 13.4 147.3 16.9 226.7 20.9 322.5 13.7 147.9
February 3, 2025 12.8 133.9 16.0 209.8 19.9 301.6 13.0 134.2
February 2, 2025 8.5 121.1 11.5 193.8 14.9 281.7 8.5 121.2
February 1, 2025 6.4 112.6 9.0 182.3 12.1 266.8 6.4 112.7
January 31, 2025 3.4 106.2 5.6 173.3 8.2 254.7 3.4 106.3
January 30, 2025 0.5 102.8 2.0 167.7 4.2 246.5 0.5 102.9
January 29, 2025 0.0 102.3 0.8 165.7 2.8 242.3 0.0 102.4
January 28, 2025 1.1 102.3 3.0 164.9 5.7 239.5 1.1 102.4
January 27, 2025 1.8 101.2 3.8 161.9 6.2 233.8 1.8 101.3
January 26, 2025 6.5 99.4 9.7 158.1 13.1 227.6 6.5 99.5
January 25, 2025 7.2 92.9 10.4 148.4 13.9 214.5 7.2 93.0
January 24, 2025 5.4 85.7 7.9 138.0 10.7 200.6 5.4 85.8
January 23, 2025 3.5 80.3 5.6 130.1 8.0 189.9 3.5 80.4
January 22, 2025 1.3 76.8 3.0 124.5 5.0 181.9 1.3 76.9
January 21, 2025 1.6 75.5 3.5 121.5 5.8 176.9 1.6 75.6
January 20, 2025 1.7 73.9 3.5 118.0 5.8 171.1 1.7 74.0
January 19, 2025 2.9 72.2 5.1 114.5 7.6 165.3 2.9 72.3
January 18, 2025 1.9 69.3 3.9 109.4 6.3 157.7 1.9 69.4
January 17, 2025 2.7 67.4 5.0 105.5 8.0 151.4 2.7 67.5
January 16, 2025 6.6 64.7 9.4 100.5 12.6 143.4 6.6 64.8
January 15, 2025 5.5 58.1 8.0 91.1 10.6 130.8 5.5 58.2
January 14, 2025 1.3 52.6 3.0 83.1 5.0 120.2 1.3 52.7
January 13, 2025 1.0 51.3 2.6 80.1 4.6 115.2 1.0 51.4
January 12, 2025 1.5 50.3 3.1 77.5 5.4 110.6 1.5 50.4
January 11, 2025 1.2 48.8 3.0 74.4 5.1 105.2 1.2 48.9
January 10, 2025 0.7 47.6 2.4 71.4 4.7 100.1 0.7 47.7
January 9, 2025 0.0 46.9 0.9 69.0 2.8 95.4 0.0 47.0
January 8, 2025 0.6 46.9 2.5 68.1 5.2 92.6 0.6 47.0
January 7, 2025 5.4 46.3 8.4 65.6 11.6 87.4 5.4 46.4
January 6, 2025 4.8 40.9 7.4 57.2 10.1 75.8 4.8 41.0
January 5, 2025 4.0 36.1 6.5 49.8 9.6 65.7 4.0 36.2
January 4, 2025 7.4 32.1 10.5 43.3 14.0 56.1 7.4 32.2
January 3, 2025 11.4 24.7 14.2 32.8 17.7 42.1 11.5 24.8
January 2, 2025 7.0 13.3 9.6 18.6 12.6 24.4 7.0 13.3
January 1, 2025 6.3 6.3 9.0 9.0 11.8 11.8 6.3 6.3

Click or tap on column headers to sort data. Scroll vertically over the table to view additional rows and horizontally on narrow displays to view additional columns. Daily totals are based on sine-curve models of listed temperature thresholds. Annual values are accumulations of daily totals from January 1 through December 31. Those of 'NA' denote no data. Recent values are based on provisional data.

More Information about the Data and Stations
Data Variables Network Map Station Metadata