SAN CARLOS RESERVOIR, ARIZONA

Monthly Total Heating Degree Days

(027480)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201303
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1900 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 54.50 v 223.00 h 603.50 603.50
1901 551.00 407.00 344.00 208.50 19.50 0.00 0.00 a 0.00 0.00 75.00 351.50 174.50 u 1956.50
1902 611.00 400.00 384.50 70.50 22.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1488.50
1903 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 n 0.00 71.50 323.57 b 619.00 1014.07
1904 727.50 341.50 193.00 80.50 18.00 0.00 0.00 0.00 0.50 74.00 359.50 568.50 2363.00
1905 489.50 382.00 249.50 153.50 51.50 0.00 0.00 0.00 2.00 62.50 293.00 664.00 2347.50
1906 633.00 357.00 267.50 144.00 21.50 0.00 0.00 b 0.00 0.00 105.50 315.50 446.50 2290.50
1907 382.00 i 315.00 260.00 98.50 45.00 0.00 0.00 0.00 5.00 41.50 333.50 607.00 1705.50
1908 528.50 441.50 182.00 o 103.89 c 35.50 2.50 0.00 z 0.00 z 5.00 185.50 367.00 555.50 2224.89
1909 474.50 452.00 426.00 152.50 20.50 0.00 0.00 0.00 0.00 59.50 337.50 692.50 2615.00
1910 608.00 463.00 153.50 100.00 0.50 0.00 0.00 0.00 0.00 53.50 321.00 574.00 2273.50
1911 502.00 465.00 212.50 93.50 4.00 0.00 0.00 b 0.00 0.00 z 136.50 0.00 z 0.00 z 1413.50
1912 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1913 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1914 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1915 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1916 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1917 0.00 z 316.00 h 399.68 c 145.71 b 45.47 a 0.52 a 0.00 a 0.00 b 0.00 z 0.00 z 0.00 z 0.00 z 591.38
1918 0.00 z 225.50 k 191.74 d 87.50 f 19.50 f 0.00 i 0.00 o 0.00 b 0.00 f 6.50 r 204.50 t 706.50 898.24
1919 0.00 z 0.00 z 273.00 k 156.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 156.50
1920 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1921 252.00 p 313.50 g 132.00 h 134.50 j 15.00 k 0.00 l 0.00 l 0.00 p 0.00 l 41.50 l 232.00 j 294.00 l 0.00
1922 0.00 z 224.00 l 415.52 e 158.00 h 19.00 f 0.00 i 0.00 l 0.00 i 0.00 k 49.50 h 350.00 h 369.00 i 415.52
1923 339.00 k 274.00 k 259.50 i 99.00 h 2.50 m 0.00 k 0.00 l 0.00 n 2.50 m 155.57 d 379.50 g 314.00 r 155.57
1924 569.50 f 488.17 e 380.50 g 167.88 d 0.00 e 0.00 k 0.00 f 0.00 q 0.00 d 75.20 d 223.50 n 690.35 e 1421.60
1925 386.50 o 353.50 d 196.50 f 91.67 c 0.00 e 0.00 e 0.00 g 0.00 j 0.00 i 65.44 d 302.50 g 643.80 c 1154.41
1926 703.46 e 399.26 a 255.20 c 135.58 d 22.65 e 0.00 d 0.00 f 0.00 y 0.00 c 0.00 z 185.00 q 621.11 c 2137.26
1927 559.19 e 339.77 b 365.36 c 190.56 c 16.07 d 0.00 d 0.00 l 0.00 n 0.00 e 50.08 e 275.77 d 717.43 c 2514.22
1928 504.00 f 0.00 z 207.00 i 171.00 m 20.00 o 2.50 n 0.00 v 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1929 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1930 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 j 0.00 d 10.91 d 288.60 e 535.94 e 835.45
1931 555.62 e 309.75 d 261.12 e 30.00 d 1.19 e 0.00 d 0.00 d 0.00 e 0.00 d 44.78 d 398.40 e 616.42 e 2217.27
1932 557.00 f 406.00 d 270.96 d 102.69 d 14.31 e 0.00 d 0.00 e 0.00 d 0.00 d 58.42 e 181.80 e 595.89 d 1630.07
1933 627.15 e 557.57 e 201.50 d 166.20 e 75.12 e 0.00 d 0.00 f 0.00 d 0.00 d 0.00 e 189.00 e 498.98 e 2315.52
1934 485.09 d 236.78 e 54.54 d 46.20 e 5.37 e 0.00 d 0.00 f 0.00 d 0.00 e 4.02 d 208.20 e 373.00 f 1040.20
1935 525.28 d 355.48 e 354.12 e 111.00 e 37.00 f 0.00 e 0.00 e 0.00 d 0.00 e 41.33 d 384.60 e 412.00 f 1771.80
1936 584.83 e 447.18 d 251.58 e 98.65 d 7.00 f 0.00 d 0.00 d 0.00 e 0.00 d 45.35 d 248.50 f 597.94 e 2025.53
1937 666.50 f 294.50 m 397.26 d 114.81 d 4.77 e 0.00 d 0.00 e 0.00 e 0.00 d 0.60 e 235.20 e 482.22 d 1234.85
1938 522.23 e 416.96 e 349.61 d 204.23 d 60.81 e 0.00 d 0.00 e 0.00 d 0.00 d 58.42 e 377.50 f 489.11 d 2101.37
1939 550.25 e 597.74 e 273.83 d 60.00 e 0.00 e 0.00 d 0.00 f 0.00 d 0.00 e 35.17 e 240.58 d 500.77 e 2258.34
1940 564.89 d 448.34 d 243.83 e 78.46 d 11.48 d 0.00 e 0.00 e 0.00 d 0.00 e 42.48 d 399.23 d 488.25 e 2276.96
1941 534.75 c 365.17 d 345.17 e 243.46 d 42.33 e 0.00 e 0.00 e 0.00 e 2.88 d 76.35 d 239.00 f 538.33 e 2148.44
1942 458.50 f 526.17 d 393.46 e 120.58 d 31.60 e 0.00 d 0.00 e 0.00 e 0.00 d 52.24 d 189.00 e 481.10 e 1794.14
1943 590.79 e 368.08 d 262.93 d 64.62 d 1.19 e 0.00 d 0.00 d 0.00 d 0.00 d 55.44 e 280.50 542.00 2165.55
1944 630.50 480.50 365.50 192.00 9.00 0.00 0.00 0.00 0.00 11.50 358.00 586.50 2633.50
1945 578.50 403.50 419.00 154.50 4.50 0.50 0.00 0.00 2.00 19.00 314.00 602.50 2498.00
1946 651.50 500.00 294.50 35.00 2.58 a 0.00 0.00 0.00 0.00 a 67.50 423.00 473.78 a 2447.87
1947 665.50 317.50 238.00 82.00 6.50 0.00 0.00 0.00 0.00 53.50 415.50 620.50 2399.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 34.50 467.50 588.00 1090.00
1949 752.35 e 483.00 b 307.00 113.00 3.00 0.00 0.00 0.00 0.00 106.50 185.00 577.63 a 2527.48
1950 600.50 317.00 240.00 30.00 25.50 0.00 0.00 0.00 0.00 g 0.00 247.00 454.50 1914.50
1951 597.50 433.50 333.00 126.50 56.00 0.00 0.00 b 0.00 h 0.00 44.50 379.00 608.50 2578.50
1952 566.50 491.50 472.00 106.50 6.00 1.50 0.00 0.00 0.00 3.21 b 418.97 a 626.50 2692.67
1953 539.40 a 462.00 a 302.50 118.50 58.38 a 0.00 0.00 0.00 0.00 65.00 275.00 698.00 2518.78
1954 599.50 279.50 323.00 27.86 b 98.00 0.00 0.00 a 0.00 0.00 30.00 205.86 a 544.50 2108.22
1955 683.50 547.50 287.50 126.00 22.50 0.00 0.00 0.00 0.00 5.00 277.00 491.00 2440.00
1956 493.00 580.00 250.50 108.50 3.00 0.00 a 0.00 0.00 0.00 76.00 438.50 652.00 2601.50
1957 522.41 d 225.00 267.12 a 109.50 39.00 0.00 0.00 0.00 0.00 b 85.00 405.00 531.65 a 2184.67
1958 570.50 360.00 448.50 162.00 3.00 0.00 0.00 0.00 0.00 30.00 319.00 487.50 2380.50
1959 503.00 446.50 262.50 12.00 15.50 0.00 0.00 0.00 0.00 50.50 318.50 543.00 2151.50
1960 538.00 h 552.00 207.50 81.50 15.00 0.00 0.00 0.00 0.00 71.00 327.50 646.50 1901.00
1961 564.00 403.50 308.50 89.00 14.00 0.00 0.00 0.00 0.00 79.50 446.50 585.00 2490.00
1962 627.50 375.00 446.50 25.50 22.00 0.00 0.00 0.00 0.00 23.00 202.00 480.50 2202.00
1963 699.50 328.00 329.00 143.00 0.00 0.00 0.00 0.00 0.00 7.50 256.00 571.00 2334.00
1964 713.00 599.00 424.50 150.00 37.50 0.00 0.00 0.00 0.50 3.50 415.50 589.00 2932.50
1965 553.00 482.00 375.50 159.50 32.50 0.00 0.00 0.00 2.00 48.00 207.50 588.50 2448.50
1966 687.00 575.00 275.00 44.50 0.00 0.00 0.00 0.00 0.50 30.00 217.50 560.00 2389.50
1967 631.50 352.00 185.50 153.00 41.00 0.00 0.00 0.00 0.00 20.00 209.00 670.50 2262.50
1968 588.48 a 295.00 324.00 160.00 4.65 a 0.00 0.00 0.00 0.00 12.00 293.50 690.00 2367.63
1969 498.00 461.00 424.50 55.00 35.00 0.00 0.00 0.00 0.00 78.50 293.50 502.50 2348.00
1970 603.00 378.50 370.50 217.50 28.50 0.00 0.00 0.00 3.00 109.00 314.50 605.50 2630.00
1971 645.50 431.00 306.50 125.00 20.67 a 0.00 0.00 0.00 0.00 183.50 355.00 674.00 2741.17
1972 603.50 406.00 93.00 78.00 0.00 0.00 0.00 0.00 0.00 92.50 463.50 635.00 2371.50
1973 693.00 481.00 493.50 201.50 30.50 4.50 0.00 0.00 0.00 22.50 283.00 514.00 2723.50
1974 594.00 462.00 226.00 72.50 11.00 0.00 0.00 0.00 0.00 78.50 463.50 680.50 2588.00
1975 693.00 437.50 411.00 304.50 49.50 0.00 0.00 0.00 8.00 105.00 355.50 641.00 3005.00
1976 649.00 421.00 357.00 129.50 19.50 0.00 0.00 0.00 0.00 98.00 343.50 667.50 2685.00
1977 622.50 389.00 395.50 97.50 24.00 0.00 0.00 0.00 0.00 4.50 248.50 441.50 2223.00
1978 547.50 404.00 226.50 92.00 37.50 0.00 0.00 0.00 0.00 42.00 297.00 659.50 2306.00
1979 676.00 448.50 348.00 123.50 34.50 0.00 0.00 0.00 7.00 28.50 358.00 526.50 2550.50
1980 545.50 381.00 354.00 151.00 26.00 0.00 0.00 0.00 0.00 98.00 288.00 448.00 2291.50
1981 471.00 347.50 245.00 h 50.50 0.00 0.00 0.00 0.00 0.00 46.00 232.50 493.00 1640.50
1982 586.50 385.50 347.50 94.50 18.50 0.00 0.00 0.00 0.00 50.00 318.00 605.00 2405.50
1983 556.50 387.00 339.50 229.50 21.50 0.00 0.00 0.00 0.00 13.50 315.00 551.50 2414.00
1984 550.50 453.50 215.00 158.50 3.50 0.00 0.00 0.00 0.00 89.50 301.50 576.00 2348.00
1985 604.50 483.50 312.00 76.00 3.50 0.00 0.00 0.00 4.00 34.00 320.50 546.50 2384.50
1986 433.00 351.00 211.50 65.50 18.50 0.00 0.00 0.00 4.00 60.50 326.00 564.50 2034.50
1987 635.00 449.50 377.00 65.00 2.50 0.00 0.00 0.00 0.00 0.50 305.50 642.50 2477.50
1988 617.00 381.00 265.00 106.00 44.00 0.00 0.00 0.00 0.00 0.00 289.00 563.00 2265.00
1989 592.00 304.00 130.50 13.50 6.00 0.00 0.00 0.00 0.00 53.00 238.00 599.00 1936.00
1990 612.00 459.50 192.00 30.50 3.00 0.00 0.00 0.00 0.00 14.00 256.50 625.00 2192.50
1991 542.00 277.00 466.50 128.00 18.50 8.00 0.00 0.00 0.00 54.00 322.00 545.50 2361.50
1992 641.00 386.00 307.00 60.00 6.50 0.00 0.00 0.00 0.00 12.00 448.50 645.00 2506.00
1993 545.50 492.50 297.00 120.00 7.50 4.50 0.00 0.00 0.00 78.00 388.50 566.50 2500.00
1994 552.50 446.00 222.50 89.00 3.50 0.00 0.00 0.00 0.00 48.50 407.00 501.00 2270.00
1995 575.50 296.50 280.50 148.00 36.00 0.00 0.00 0.00 0.00 7.50 151.00 478.00 1973.00
1996 506.00 176.50 i 139.50 k 44.00 0.00 i 0.00 j 0.00 0.00 0.00 121.50 255.00 494.00 1420.50
1997 561.00 380.00 158.50 111.50 0.00 0.00 0.00 0.00 0.00 83.50 255.50 647.00 2197.00
1998 518.50 496.50 0.00 z 207.00 9.00 0.00 z 0.00 0.00 z 0.00 z 0.00 z 256.00 512.50 1999.50
1999 484.50 306.50 141.00 0.00 z 15.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 160.00 517.50 1625.00
2000 475.00 0.00 z 218.03 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 78.50 465.50 532.00 1769.03
2001 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 366.21 a 705.50 1071.71
2002 531.50 359.00 266.50 13.00 7.00 0.00 0.00 0.00 0.00 35.00 212.00 540.50 1964.50
2003 367.50 369.00 278.50 121.50 0.00 z 0.00 0.00 0.00 0.00 8.50 287.50 562.50 1995.00
2004 0.00 z 483.00 0.00 z 74.00 0.00 0.00 0.00 0.00 0.00 0.00 z 343.00 592.50 1492.50
2005 481.00 348.50 285.50 82.00 3.00 0.00 z 0.00 z 0.00 z 0.00 2.00 0.00 z 487.50 1689.50
2006 450.50 285.50 312.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1048.50
2007 0.00 z 392.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 392.50
2008 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 584.50 584.50
2009 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 82.27 e 0.00 z 733.00 815.27
2010 603.31 e 517.00 358.64 b 114.50 48.00 0.00 0.00 0.00 f 0.00 26.50 344.50 327.00 h 2012.45
2011 574.65 d 208.50 o 169.39 c 61.11 c 17.57 a 0.00 b 0.00 c 0.00 c 0.00 f 37.95 b 326.25 b 480.50 g 1186.92
2012 432.50 f 291.50 h 319.00 g 185.89 b 38.00 o 0.00 y 0.00 z 0.00 t 0.00 d 14.00 258.50 102.50 u 458.39
2013 1779.00 830.00 153.00 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2609.00
Period of Record Statistics
MEAN 592.34 417.00 297.94 112.67 20.00 0.26 0.00 0.00 0.53 52.27 311.86 577.22 2390.39
S.D. 150.22 92.25 89.75 56.73 19.48 1.13 0.00 0.00 1.53 39.74 77.85 71.81 217.92
SKEW 5.98 1.02 -0.13 0.55 1.33 5.17 0.00 0.00 3.21 1.00 0.11 0.11 0.36
MAX 1779.00 830.00 493.50 304.50 98.00 8.00 0.00 0.00 8.00 185.50 467.50 733.00 3005.00
MIN 367.50 225.00 54.54 12.00 0.00 0.00 0.00 0.00 0.00 0.00 151.00 441.50 1936.00
NO YRS 83 88 86 90 85 85 81 81 87 90 85 90 57