MONROE, WASHINGTON

Monthly Total Growing Degree Days

(455525)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 682.24 a 751.00 718.00 536.90 a 314.00 82.00 10.00 3094.14
1949 1.50 44.00 177.50 363.10 a 546.50 539.50 674.50 734.18 a 608.00 246.50 296.50 64.00 4295.79
1950 9.50 91.50 127.50 247.50 386.50 635.50 718.68 a 776.07 b 596.00 314.00 119.00 167.50 4189.25
1951 22.50 79.00 100.00 322.50 464.50 658.50 773.50 709.00 604.66 a 370.00 139.50 30.00 4273.66
1952 45.00 102.00 120.00 359.50 473.00 522.41 a 754.50 799.28 a 640.00 442.27 a 130.50 88.35 a 4476.81
1953 175.67 a 85.50 176.50 287.14 b 494.50 553.93 b 736.00 785.00 640.50 452.00 276.00 115.00 4777.74
1954 43.00 106.50 79.22 d 255.50 472.00 515.00 656.00 667.50 575.00 361.00 319.50 96.50 4146.72
1955 51.50 46.00 55.50 191.50 399.00 589.14 a 656.50 652.50 537.50 378.50 98.00 58.90 a 3714.54
1956 58.00 8.50 111.50 329.00 556.00 605.50 807.03 a 740.00 573.50 323.95 a 114.50 110.00 4337.48
1957 15.50 55.50 153.97 a 331.03 a 611.22 a 651.21 a 694.92 a 702.50 686.90 a 357.10 e 134.50 115.50 4509.83
1958 119.50 235.50 185.00 330.00 535.00 h 799.50 991.50 865.50 615.50 493.50 157.00 169.50 4962.00
1959 96.50 76.46 b 171.00 329.00 372.00 f 648.00 812.00 760.00 555.00 390.50 143.50 65.00 4046.96
1960 41.00 88.00 189.00 343.00 440.50 616.00 828.50 740.38 a 574.00 442.00 143.00 49.00 4494.38
1961 114.50 154.00 222.50 277.00 479.50 708.50 834.00 867.00 576.50 357.00 90.00 85.50 4766.00
1962 77.00 174.50 123.48 a 367.00 397.50 596.00 734.00 750.00 593.00 415.29 b 209.50 123.00 4560.28
1963 29.50 217.50 158.50 285.00 520.50 586.50 703.50 796.00 729.83 a 473.00 184.00 85.25 a 4769.08
1964 63.50 52.00 140.00 242.50 409.50 550.00 681.00 639.00 511.00 377.50 80.00 38.50 3784.50
1965 43.00 71.00 147.50 315.00 0.00 z 593.50 776.00 773.00 510.00 461.50 253.50 74.50 4018.50
1966 70.00 75.00 175.50 283.50 431.50 580.50 701.00 717.00 634.50 373.50 147.00 132.00 4321.00
1967 80.00 94.00 92.00 186.50 465.50 695.50 746.00 855.50 683.00 414.00 167.50 78.50 4558.00
1968 77.00 151.50 0.00 z 236.50 472.00 574.50 784.50 695.00 563.00 316.00 140.00 17.00 4027.00
1969 11.00 25.50 168.50 264.50 535.50 734.50 701.50 646.50 559.50 336.50 153.00 71.50 4208.00
1970 54.00 144.00 162.50 198.00 417.00 628.00 714.50 693.00 472.50 296.50 167.00 24.91 c 3971.91
1971 82.00 57.68 c 80.50 253.50 467.00 511.50 749.00 803.00 498.50 298.00 125.00 8.50 3934.18
1972 28.00 84.00 184.00 177.50 536.00 576.00 730.00 766.50 488.00 289.00 137.50 89.00 4085.50
1973 65.00 110.50 166.00 254.00 495.00 591.00 723.00 647.50 611.50 342.50 0.00 z 100.50 4106.50
1974 81.50 84.50 156.00 278.00 382.50 585.00 687.50 762.00 667.00 390.00 193.50 119.00 4386.50
1975 54.00 53.00 86.50 179.50 429.50 553.97 a 776.00 672.50 623.28 a 346.00 153.00 100.50 4027.74
1976 83.00 53.50 73.00 273.00 472.50 510.00 716.50 671.50 627.00 379.50 165.50 104.50 4129.50
1977 38.00 169.00 113.50 355.00 412.00 652.50 676.50 837.00 529.00 324.00 141.50 78.00 4326.00
1978 79.00 150.00 242.00 291.50 435.50 710.50 792.00 739.00 553.00 410.50 68.00 18.00 4489.00
1979 5.50 45.50 222.50 270.00 518.50 608.00 796.00 783.00 676.55 a 443.00 95.00 116.00 4579.55
1980 0.00 z 111.50 148.00 388.00 496.50 561.50 730.00 700.50 599.50 395.00 208.00 162.75 a 4501.25
1981 133.50 130.00 277.00 297.50 482.00 565.00 769.50 881.00 622.00 306.00 226.00 68.41 b 4757.91
1982 58.50 80.00 131.50 227.50 482.50 714.00 707.50 770.00 619.00 373.00 80.00 50.50 4294.00
1983 140.50 163.50 263.50 319.00 571.50 598.50 628.50 803.00 527.50 349.50 196.50 19.50 4581.00
1984 137.50 140.00 271.50 291.50 439.00 605.50 755.50 764.00 555.00 283.50 123.50 7.50 4374.00
1985 18.00 43.00 95.00 283.50 481.50 594.50 854.00 756.50 518.50 333.00 64.50 11.00 4053.00
1986 151.00 132.50 300.00 244.50 490.50 667.00 686.00 842.50 551.50 422.00 154.00 48.00 4689.50
1987 67.50 154.00 228.00 376.50 508.00 662.50 775.00 768.00 657.50 406.00 237.50 52.50 4893.00
1988 0.00 z 0.00 z 163.00 322.50 511.00 584.50 745.00 766.50 594.00 484.50 156.50 90.50 4418.00
1989 59.50 21.00 145.50 358.00 457.50 639.50 712.00 741.50 618.50 358.00 176.50 100.00 4387.50
1990 66.00 70.00 187.00 353.00 440.00 601.00 831.50 830.50 664.50 291.50 187.00 39.50 4561.50
1991 54.50 203.50 120.50 266.00 428.00 291.00 n 781.00 811.50 623.50 346.50 189.00 109.00 3933.00
1992 111.50 181.50 262.00 385.00 559.00 688.50 773.00 777.50 551.00 401.50 122.00 15.50 4828.00
1993 50.00 72.00 204.50 318.50 606.00 597.00 665.50 743.00 594.50 441.50 72.00 69.50 4434.00
1994 126.00 51.50 207.50 362.00 534.50 588.00 813.50 806.50 682.50 353.50 68.50 62.50 4656.50
1995 92.00 150.50 193.50 313.50 555.50 638.00 805.50 670.00 680.50 0.00 z 239.00 88.00 4426.00
1996 86.00 108.00 196.00 372.50 385.00 572.00 789.00 768.50 524.00 324.00 134.50 26.00 4285.50
1997 85.50 90.00 162.50 284.50 570.50 604.00 750.00 850.50 0.00 z 371.50 0.00 z 0.00 z 3769.00
1998 118.50 124.00 209.00 337.00 0.00 z 0.00 z 951.00 941.00 772.50 365.00 0.00 z 90.00 3908.00
1999 82.50 89.00 156.00 247.50 378.00 548.50 693.50 776.50 572.00 341.50 218.50 85.00 4188.50
2000 26.50 114.50 159.50 355.00 492.50 631.50 759.50 733.50 615.00 385.50 103.00 60.00 4436.00
2001 77.00 66.00 203.50 305.00 550.00 309.00 n 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1201.50
2002 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 224.50 v 756.50 573.00 310.00 195.00 78.00 1912.50
2003 131.50 70.50 217.50 289.00 467.00 653.00 831.50 794.50 653.50 446.50 84.50 68.50 4707.50
2004 82.50 102.00 250.00 403.00 527.50 683.50 855.00 877.50 575.50 401.00 139.50 74.50 4971.50
2005 133.76 d 73.50 278.00 0.00 z 565.00 598.50 757.50 787.00 554.50 444.00 78.50 86.50 4356.76
2006 121.50 66.50 170.00 299.50 472.00 659.50 480.50 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1789.00
Period of Record Statistics
MEAN 73.20 99.89 170.74 297.78 482.48 614.87 755.31 762.84 595.53 372.55 153.30 74.41 4400.28
S.D. 41.00 50.24 57.34 55.91 59.08 59.95 68.23 65.89 61.59 56.43 59.70 40.06 294.99
SKEW 0.33 0.66 0.19 -0.30 0.14 0.58 0.99 0.20 0.39 0.16 0.68 0.24 -0.23
MAX 175.67 235.50 300.00 403.00 611.22 799.50 991.50 941.00 772.50 493.50 319.50 169.50 4971.50
MIN 1.50 8.50 55.50 177.50 378.00 510.00 628.50 639.00 472.50 246.50 64.50 7.50 3714.54
NO YRS 55 56 56 56 53 55 56 57 56 56 54 56 43