Station-level Summaries for Heat Units

Summaries of recent heat-unit data from individual stations

San Simon Station

Data from

  86/55 °F 86/50 °F 86/45 °F 94/55 °F
Date
Daily
Annual
Daily
Annual
Daily
Annual
Daily
Annual
March 20, 2026 16.3 418.0 20.3 616.7 25.2 870.0 18.3 422.1
March 19, 2026 16.1 401.7 20.3 596.4 25.2 844.8 17.9 403.8
March 18, 2026 13.5 385.6 17.1 576.1 21.1 819.6 13.8 385.9
March 17, 2026 10.4 372.1 13.7 559.0 17.4 798.5 10.4 372.1
March 16, 2026 7.0 361.7 10.2 545.3 14.2 781.1 7.0 361.7
March 15, 2026 11.4 354.7 14.9 535.1 19.2 766.9 11.4 354.7
March 14, 2026 11.9 343.3 15.6 520.2 19.9 747.7 11.9 343.3
March 13, 2026 12.2 331.4 15.8 504.6 20.5 727.8 12.2 331.4
March 12, 2026 9.2 319.2 12.7 488.8 16.7 707.3 9.2 319.2
March 11, 2026 6.9 310.0 9.9 476.1 13.7 690.6 6.9 310.0
March 10, 2026 1.9 303.1 5.1 466.2 10.0 676.9 1.9 303.1
March 9, 2026 9.7 301.2 13.0 461.1 17.0 666.9 9.7 301.2
March 8, 2026 7.9 291.5 10.9 448.1 14.1 649.9 7.9 291.5
March 7, 2026 5.2 283.6 7.7 437.2 10.5 635.8 5.2 283.6
March 6, 2026 3.4 278.4 5.9 429.5 8.9 625.3 3.4 278.4
March 5, 2026 8.7 275.0 11.6 423.6 15.2 616.4 8.7 275.0
March 4, 2026 8.7 266.3 11.8 412.0 15.4 601.2 8.7 266.3
March 3, 2026 11.4 257.6 14.5 400.2 18.4 585.8 11.4 257.6
March 2, 2026 12.9 246.2 16.2 385.7 20.3 567.4 12.9 246.2
March 1, 2026 12.6 233.3 16.1 369.5 20.3 547.1 12.6 233.3
February 28, 2026 13.2 220.7 16.8 353.4 21.2 526.8 13.2 220.7
February 27, 2026 12.1 207.5 15.5 336.6 19.6 505.6 12.1 207.5
February 26, 2026 11.0 195.4 14.5 321.1 18.3 486.0 11.0 195.4
February 25, 2026 10.0 184.4 13.2 306.6 16.9 467.7 10.0 184.4
February 24, 2026 8.0 174.4 10.8 293.4 14.4 450.8 8.0 174.4
February 23, 2026 5.4 166.4 8.0 282.6 11.1 436.4 5.4 166.4
February 22, 2026 4.7 161.0 7.8 274.6 11.6 425.3 4.7 161.0
February 21, 2026 2.6 156.3 4.8 266.8 7.2 413.7 2.6 156.3
February 20, 2026 1.4 153.7 3.4 262.0 5.8 406.5 1.4 153.7
February 19, 2026 2.2 152.3 4.4 258.6 7.4 400.7 2.2 152.3
February 18, 2026 3.4 150.1 5.8 254.2 8.5 393.3 3.4 150.1
February 17, 2026 2.8 146.7 5.6 248.4 9.4 384.8 2.8 146.7
February 16, 2026 6.9 143.9 9.6 242.8 12.7 375.4 6.9 143.9
February 15, 2026 4.9 137.0 7.7 233.2 11.0 362.7 4.9 137.0
February 14, 2026 2.8 132.1 5.4 225.5 8.8 351.7 2.8 132.1
February 13, 2026 1.7 129.3 4.6 220.1 9.2 342.9 1.7 129.3
February 12, 2026 6.7 127.6 10.0 215.5 14.1 333.7 6.7 127.6
February 11, 2026 8.9 120.9 12.2 205.5 16.4 319.6 8.9 120.9
February 10, 2026 7.3 112.0 10.4 193.3 14.1 303.2 7.3 112.0
February 9, 2026 6.9 104.7 9.6 182.9 13.0 289.1 6.9 104.7
February 8, 2026 6.5 97.8 9.4 173.3 12.8 276.1 6.5 97.8
February 7, 2026 5.6 91.3 8.5 163.9 12.1 263.3 5.6 91.3
February 6, 2026 5.2 85.7 7.8 155.4 10.8 251.2 5.2 85.7
February 5, 2026 2.7 80.5 5.0 147.6 7.8 240.4 2.7 80.5
February 4, 2026 3.4 77.8 5.8 142.6 8.6 232.6 3.4 77.8
February 3, 2026 5.3 74.4 8.1 136.8 11.1 224.0 5.3 74.4
February 2, 2026 5.4 69.1 7.9 128.7 11.0 212.9 5.4 69.1
February 1, 2026 4.3 63.7 6.7 120.8 9.4 201.9 4.3 63.7
January 31, 2026 3.1 59.4 5.2 114.1 7.8 192.5 3.1 59.4
January 30, 2026 2.5 56.3 4.4 108.9 7.0 184.7 2.5 56.3
January 29, 2026 1.2 53.8 3.1 104.5 5.4 177.7 1.2 53.8
January 28, 2026 1.1 52.6 2.9 101.4 5.2 172.3 1.1 52.6
January 27, 2026 0.9 51.5 2.6 98.5 4.9 167.1 0.9 51.5
January 26, 2026 0.0 50.6 0.6 95.9 2.3 162.2 0.0 50.6
January 25, 2026 0.0 50.6 1.1 95.3 3.0 159.9 0.0 50.6
January 24, 2026 0.0 50.6 0.4 94.2 3.2 156.9 0.0 50.6
January 23, 2026 0.5 50.6 2.7 93.8 6.4 153.7 0.5 50.6
January 22, 2026 3.0 50.1 5.3 91.1 7.9 147.3 3.0 50.1
January 21, 2026 2.9 47.1 4.9 85.8 7.4 139.4 2.9 47.1
January 20, 2026 2.1 44.2 4.2 80.9 6.9 132.0 2.1 44.2
January 19, 2026 4.9 42.1 7.3 76.7 10.1 125.1 4.9 42.1
January 18, 2026 3.4 37.2 5.4 69.4 7.9 115.0 3.4 37.2
January 17, 2026 3.1 33.8 5.2 64.0 7.7 107.1 3.1 33.8
January 16, 2026 3.6 30.7 5.7 58.8 8.6 99.4 3.6 30.7
January 15, 2026 3.3 27.1 5.3 53.1 7.9 90.8 3.3 27.1
January 14, 2026 3.3 23.8 5.4 47.8 8.0 82.9 3.3 23.8
January 13, 2026 1.8 20.5 3.6 42.4 5.7 74.9 1.8 20.5
January 12, 2026 0.5 18.7 2.1 38.8 4.1 69.2 0.5 18.7
January 11, 2026 0.0 18.2 0.7 36.7 2.5 65.1 0.0 18.2
January 10, 2026 0.0 18.2 0.0 36.0 1.1 62.6 0.0 18.2
January 9, 2026 0.0 18.2 0.0 36.0 1.0 61.5 0.0 18.2
January 8, 2026 0.7 18.2 2.7 36.0 5.5 60.5 0.7 18.2
January 7, 2026 0.0 17.5 0.9 33.3 3.3 55.0 0.0 17.5
January 6, 2026 3.0 17.5 5.2 32.4 8.0 51.7 3.0 17.5
January 5, 2026 2.7 14.5 5.0 27.2 7.9 43.7 2.7 14.5
January 4, 2026 2.6 11.8 5.0 22.2 8.1 35.8 2.6 11.8
January 3, 2026 4.0 9.2 6.6 17.2 9.8 27.7 4.0 9.2
January 2, 2026 3.2 5.2 5.7 10.6 8.8 17.9 3.2 5.2
January 1, 2026 2.0 2.0 4.9 4.9 9.1 9.1 2.0 2.0

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