KLAMATH, CA

Monthly Sum of Heating Degree Days (Degrees Fahrenheit)

(044577)

Base Temperature = 65 F

File last updated on Apr 27, 2015
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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1948-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1949-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z204.50j661.00 661.00k
1950770.50 512.00 519.00a463.00 403.00 254.00 187.50a167.00 231.50 254.00 338.50 416.00 4516.00
1951608.50 491.50 592.00 443.50a330.00 261.50 206.79c235.00 220.00 277.00 416.00 621.50 4703.29
1952684.50 528.50 611.00 450.50 346.50 284.00 186.00 223.50 212.50 282.00 484.00 593.50 4886.50
1953462.50 341.00h555.00 459.50 388.00 268.00 191.00 139.00 129.50 292.00 365.00 531.00 3780.50a
1954590.50 434.00 532.00 396.00 341.00a273.50 216.50 190.50 193.50 298.50 367.50 558.10b4391.60
1955655.00 578.00 559.00 548.50 387.50 252.00 228.00 256.50 234.00 338.50 467.50 488.57c4993.07
1956548.00 615.50 537.50 415.00 320.00 224.00a191.50 159.50 213.50 350.50 457.50 598.00 4630.50
1957712.50 453.00 471.00a407.50 307.50 191.00 173.50 152.00a134.00 280.00 455.00 528.00 4265.00
1958489.00 364.00 554.00 413.00 265.50 132.00 137.50 133.00 122.00 290.50 382.00 419.00 3701.50
1959520.00 517.00 494.00 396.00 363.00a221.50a186.00 202.00 180.50 238.00 433.50 587.50 4339.00
1960570.00 515.00 476.50 427.50 357.50 210.25d218.50 187.50 262.00 308.50 454.50 545.50 4533.25
1961500.50 435.50 514.50 436.00 368.00 192.00 196.50 153.00 201.00 323.00a481.50 586.00 4387.50
1962624.50 497.00 539.50 412.50 398.00 297.00 229.50 155.00 184.00 284.00a366.50 498.00 4485.50
1963673.50 298.00 541.00 463.00 325.50 240.00 169.00 174.50 129.00 245.56d402.50 489.83b4151.38
1964612.50 522.00 588.50 486.00 393.50 243.00 163.50a145.50 222.50 239.50a476.00 -----z4092.50a
1965-----z284.00m516.50 412.50 394.00a313.50 240.50 114.00 265.14b233.50a319.50a637.00 3446.14b
1966607.50 543.00 517.00a373.00 377.50 248.00 221.00 196.50 147.00 303.00 399.00 500.50a4433.00
1967567.93b499.50 574.00 566.00 359.00 241.00a175.00 170.50a127.02e241.50 362.50 648.50 4532.45
1968606.50 369.50 458.50 475.00 361.00 231.00 191.50 138.00a161.00 334.00 433.00 634.50 4393.50
1969705.00 553.50a521.50 471.50 291.00 205.00 193.00a214.50 195.50a292.50 399.00 495.50 4537.50
1970478.00 373.00 472.50 522.50a338.50a247.00 214.00a234.00 230.50 371.50 378.50 627.50 4487.50
1971620.50 522.00 576.50 531.00 404.50 285.50 216.50a120.00 209.50 426.00a482.50 681.00 5075.50
1972653.00a490.50 447.50 490.00 388.00 251.50a180.50 160.50 257.00 289.50a442.00 695.00 4745.00
1973610.50a441.50 589.50 395.50a369.50 240.50 223.50a259.50 187.50 375.50 486.00 503.50 4682.50
1974618.00a567.50 491.50 446.00a427.00 279.50 188.00 183.00 250.50 350.00 435.50 596.00 4832.50
1975604.00 534.00 570.00 577.00 380.00 252.00 171.00a215.00a248.50 368.50 528.50 536.50 4985.00
1976570.50 573.00 608.50 498.18b384.00 288.50 173.50 174.00 196.00 301.00a372.50 598.50 4738.18
1977564.31b420.50 595.00 443.29b393.50a235.00a216.00 148.50 192.50 310.00 457.50 462.00 4438.10
1978430.50a428.50 362.00 418.00 297.00 216.00 159.50 152.50 166.50 247.50 527.00 689.50 4094.50
1979640.50 512.00 459.50 425.00 291.00a257.00 136.50 124.50 71.50 221.00 434.00 494.00 4066.50
1980547.50 363.50 515.00a368.00 366.50 254.50 152.50 209.50 189.50 287.00 411.50 462.00 4127.00
1981417.00 425.50 472.00 408.00 331.00 193.50 203.00 173.00 196.00 332.00 375.00 468.00 3994.00
1982632.50a477.50a541.00 469.50 348.50 260.00 191.50 168.50 189.00 265.50 459.00 533.00 4535.50
1983483.00a386.00 419.00 445.50 328.00 210.00 138.50a98.50 116.00 248.50 421.50 533.50 3828.00
1984508.50 465.00 415.50 453.00 331.03b252.50 164.00 137.50 193.00 342.00 451.00 616.50 4329.53
1985558.50a494.00 590.00 390.50 366.50 187.50 145.50 164.00a221.50 313.00 584.00 551.50a4566.50
1986413.50 391.50 385.50 453.00 367.50 180.50a186.50 192.50 245.00 300.50 391.50 514.00 4021.50
1987537.50a426.00 445.00 384.00 264.50 208.80e130.50k183.00 242.50a259.50 379.00 566.50 3896.30a
1988519.50a453.00 508.50 400.00 344.50 228.50 126.00 179.50 208.50 265.50a397.50 558.00 4189.00
1989611.00 619.00 454.50 295.50 275.50a174.50a150.00 112.00 201.50 311.50 367.50 501.00 4073.50
1990525.50a555.50 -----z324.50a288.00a190.00 96.50 97.00 81.00 288.00a464.00 716.50a3626.50a
1991583.00 362.00 532.50c438.50 370.00 257.50 136.00 117.00 151.50 229.50 376.00 536.50 4090.00
1992502.50 219.50k375.00 298.00 241.00 176.50a117.50 159.50 196.00 231.50 437.50 616.50 3351.50a
1993594.50a469.50a366.50a304.00h187.00g205.50 161.50 158.50a267.50 295.50 544.50 589.50 3653.00b
1994545.50 555.00 469.00a417.00a345.50 284.00 202.50a159.50 186.00a373.50 644.50 657.00 4839.00
1995479.50a422.00 527.00 471.00 350.50a286.00 133.00 199.14b173.00 313.50a383.50 461.50a4199.64
1996554.00a446.00 480.50a422.50 380.50 271.88b205.50 213.00a278.50 343.50 454.50a543.00 4593.38
1997587.59b500.00a519.00 423.00a256.00 232.50 178.00 140.50 113.00 322.00a399.00 619.50 4290.09
1998521.50 504.50 513.50 481.00a389.50a256.50 188.50a204.00 235.00 354.50a487.50 688.89d4824.89
1999625.50 573.50 616.00 506.00 418.50a259.50a213.00 108.50a210.50 317.00a329.50a576.50 4754.00
2000552.50 409.50a519.50 356.50 309.50 183.32b164.00 176.50 142.50 328.45b521.50 493.00a4156.77
2001555.00a519.00 456.00 471.00a290.00a240.80b195.00b150.00 221.00 290.00 411.00 531.00a4329.80
2002572.59b435.00 545.50 389.00a364.50a210.50a135.52b226.50 223.71b392.00a412.50a522.93b4430.25
2003502.78d675.00a729.00 723.00a647.68c501.50 502.50 451.50 434.50a502.76b685.26c728.50 7083.97
2004-----z216.00t-----z329.36b298.39c235.50 141.50a82.50 194.50a296.50a487.82b543.46e2609.53c
2005542.31e429.92b400.56d-----z-----z-----z78.00g27.00y-----z-----z-----z-----z1372.79i
2006217.00s201.00q-----z-----z-----z-----z-----z-----z-----z262.00i467.11b-----z467.11k
Period of Record Statistics
MEAN569.84 479.74 511.85 440.36 352.28 241.39 185.36 173.46 197.93 304.90 438.35 564.53 4495.36
S.D.73.92 76.18 71.41 71.17 60.25 51.18 54.52 55.38 57.29 52.91 71.14 75.50 496.32
SKEW0.15 0.07 0.06 1.03 1.89 2.17 3.56 2.27 0.85 1.05 1.17 0.25 2.96
MAX770.50 675.00 729.00 723.00 647.68 501.50 502.50 451.50 434.50 502.76 685.26 728.50 7083.97
MIN413.50 298.00 362.00 295.50 241.00 132.00 96.50 82.50 71.50 221.00 319.50 416.00 3701.50
YRS54.00 52.00 54.00 54.00 54.00 55.00 54.00 55.00 55.00 55.00 56.00 55.00 47.00