BITTER LAKES WL REFUGE, NEW MEXICO

Monthly Total Growing Degree Days

(290992)

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
1950 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 194.27 a 194.27
1951 82.50 197.50 358.50 571.50 526.00 k 468.00 s 1316.50 1232.00 989.50 724.00 234.50 169.50 5876.00
1952 264.50 166.00 266.50 588.50 882.50 1235.00 1185.50 1267.50 917.00 553.00 209.00 34.50 7569.50
1953 223.00 139.50 445.50 586.50 776.50 1196.00 1237.50 1138.50 893.50 594.00 203.79 a 15.50 f 7434.29
1954 141.00 258.00 360.00 721.50 884.50 1145.00 1268.00 1179.15 d 1019.00 683.00 308.00 104.00 8071.15
1955 61.50 212.33 d 440.00 660.50 0.00 z 165.50 z 1154.00 1149.50 982.00 633.50 329.50 169.00 5791.83
1956 114.91 b 134.50 409.00 556.50 943.50 1205.50 1226.00 1147.00 989.00 718.00 169.50 107.50 7720.91
1957 150.00 378.00 368.50 568.50 801.00 1117.50 1272.00 1182.00 901.50 558.00 184.00 112.12 a 7593.12
1958 70.50 176.62 b 229.50 557.00 926.79 b 1214.50 1308.50 1220.00 937.50 559.00 236.50 83.00 7519.41
1959 95.50 121.50 290.88 a 557.50 859.98 b 1095.50 1120.00 1172.00 930.50 560.00 169.00 106.50 7078.87
1960 78.50 97.00 385.50 672.00 874.50 1168.50 1156.50 1168.00 969.00 623.50 290.00 4.50 7487.50
1961 20.00 171.50 372.00 613.50 934.00 1125.00 1187.00 1129.50 923.50 605.00 149.50 109.50 7340.00
1962 54.00 306.96 a 286.00 647.50 962.50 1069.00 1195.50 1170.50 940.00 647.26 b 300.00 131.00 7710.22
1963 57.00 232.50 383.50 699.00 911.00 1123.00 1336.50 1201.50 1005.00 723.50 309.00 38.00 8019.50
1964 63.03 a 20.50 360.63 a 554.50 949.50 1084.50 1259.00 1192.47 a 962.00 619.00 170.50 i 84.50 h 7065.13
1965 143.50 f 99.12 c 266.27 c 664.82 b 922.25 e 1126.20 e 1035.50 f 1139.54 d 618.00 j 587.21 e 371.67 c 148.00 5325.07
1966 23.00 70.00 390.60 a 628.50 486.00 m 1082.78 c 1351.50 1133.57 a 694.00 h 385.50 j 202.50 m 47.00 p 4679.94
1967 130.00 f 160.16 c 425.00 h 551.00 h 544.00 m 833.50 g 1004.50 f 1138.50 688.50 g 696.31 e 207.00 l 67.54 c 2062.50
1968 88.00 g 207.83 b 341.00 d 505.71 b 614.00 j 658.00 m 916.50 f 747.00 k 402.00 o 491.50 h 253.45 a 35.59 d 1343.59
1969 227.00 127.50 141.16 c 628.00 888.00 1071.72 a 1311.50 1288.57 a 900.00 c 468.00 f 200.77 d 132.30 c 6916.52
1970 103.73 e 151.93 a 162.00 f 552.78 c 817.33 e 1015.00 c 1216.48 b 887.00 h 896.54 d 363.00 h 199.62 d 150.00 i 4953.40
1971 165.52 c 154.00 b 335.00 f 417.50 h 564.00 i 811.00 h 892.50 h 816.50 g 542.50 j 298.00 m 148.50 l 108.00 g 319.52
1972 57.00 m 161.00 g 490.04 e 648.00 880.00 1104.50 1217.86 c 1125.00 728.00 f 651.00 c 116.79 b 87.83 d 6321.01
1973 58.50 106.08 b 298.00 420.00 c 789.97 b 1037.50 1174.00 1129.00 893.00 609.50 290.00 71.50 6877.04
1974 97.13 a 0.00 z 502.00 617.00 966.17 a 1110.00 1213.00 1033.00 693.10 a 585.38 a 213.75 b 56.00 7086.54
1975 91.50 72.50 273.50 421.73 d 702.00 1023.00 1041.50 1091.50 763.00 564.00 235.50 90.50 6370.23
1976 67.37 e 260.00 330.50 606.50 782.75 a 1084.82 b 1115.45 c 1144.93 a 843.00 391.24 b 153.62 a 7.50 6787.68
1977 30.00 135.00 262.50 579.50 919.50 1171.61 b 1269.21 e 1241.50 980.00 648.93 a 304.50 133.00 7675.25
1978 37.00 78.00 365.50 680.50 869.00 1082.50 1222.00 1127.50 851.50 601.50 265.00 78.57 b 7258.57
1979 40.50 99.00 293.00 607.50 b 831.00 985.00 1252.00 1096.00 911.50 637.50 130.50 76.00 6959.50
1980 105.83 b 178.50 307.00 482.00 811.50 1272.00 1351.08 a 1177.00 923.50 491.35 a 220.50 127.00 7447.26
1981 53.22 a 151.50 315.50 648.00 836.00 1153.00 1220.50 1097.50 882.50 597.50 333.00 147.77 a 7435.98
1982 95.50 137.50 378.00 589.50 853.00 1086.50 1269.00 1250.00 981.00 523.00 231.00 61.50 7455.50
1983 60.00 118.50 347.00 426.50 797.00 1025.50 1281.00 1255.00 1037.00 660.50 344.50 89.00 7441.50
1984 34.00 129.50 323.50 531.00 936.50 1079.00 1168.50 1114.50 526.00 k 507.00 253.50 112.00 6189.00
1985 51.50 124.00 425.00 672.50 889.50 1053.00 1199.50 1224.00 912.00 593.50 337.76 a 67.50 7549.76
1986 109.00 265.50 435.50 705.00 869.50 1038.50 1176.00 1178.52 a 919.50 543.50 153.50 i 46.00 7286.52
1987 83.00 176.00 199.50 j 477.00 817.50 1056.50 1225.50 1168.18 a 864.00 646.00 231.21 a 120.50 6865.39
1988 38.00 166.75 a 327.50 530.50 503.50 l 1067.00 1065.88 a 543.00 n 487.50 m 337.00 o 150.00 p 14.50 k 3195.63
1989 57.50 n 90.00 i 181.50 q 654.50 1001.50 1101.00 1211.50 1212.50 878.00 593.50 221.00 23.50 6897.00
1990 48.50 150.00 317.00 619.00 862.50 1310.50 1206.00 1085.50 985.00 582.50 292.50 80.00 7539.00
1991 22.00 167.00 368.50 622.00 978.50 1111.50 1128.50 1126.50 796.50 618.00 190.00 56.00 7185.00
1992 31.50 147.50 356.00 613.00 796.00 1002.50 1197.00 1164.50 947.00 625.50 168.00 80.50 7129.00
1993 72.00 52.50 j 343.00 581.50 864.00 1153.00 1288.00 1188.50 888.50 548.00 140.00 78.50 7145.00
1994 46.00 116.50 374.00 580.86 a 866.50 1224.50 1290.00 1250.85 a 945.00 408.00 j 112.00 u 74.50 n 6694.21
1995 15.00 u 83.50 s 367.50 302.00 l 641.00 i 641.00 l 688.50 n 1256.00 925.34 a 324.50 p 309.00 89.00 o 2857.84
1996 59.50 p 145.50 p 268.50 354.50 l 431.00 s 1181.90 a 1277.00 737.00 k 516.00 m 608.50 176.00 l 49.50 u 3335.90
1997 32.00 v 0.00 z 41.00 z 460.00 495.00 m 1000.86 a 1253.50 1177.50 984.50 577.12 a 182.00 28.00 5663.48
1998 67.00 165.00 319.00 472.50 969.50 1172.00 1325.00 1184.50 1097.00 683.00 313.00 135.00 7902.50
1999 124.50 l 186.50 f 287.00 i 463.00 f 810.02 d 1037.78 c 730.00 l 1200.50 907.50 b 577.67 e 369.23 d 67.34 b 4970.04
2000 148.80 a 324.02 c 423.67 d 697.22 c 1087.00 1160.36 b 1318.00 1237.79 c 1019.46 b 645.63 e 142.78 c 48.88 e 8253.61
2001 18.50 j 210.54 b 329.93 c 671.00 956.50 1203.62 a 1391.42 e 1248.35 e 985.00 672.50 396.00 94.72 d 8159.58
2002 131.00 131.00 326.50 739.00 680.50 i 1174.50 1297.50 1293.00 623.50 k 350.50 m 191.50 92.50 5376.50
2003 126.00 187.48 e 378.00 676.00 977.00 1128.00 1347.50 1248.50 991.00 742.50 364.00 98.00 j 8165.98
2004 115.50 129.50 481.50 411.00 h 964.00 1116.50 1179.50 1120.50 920.00 618.50 231.50 78.50 j 6877.00
2005 137.50 n 173.50 349.50 556.00 866.00 0.00 z 1297.87 a 1168.00 1027.00 642.00 282.60 e 128.50 6490.97
2006 170.00 169.00 457.00 772.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1568.00
Period of Record Statistics
MEAN 89.46 163.59 351.61 597.83 883.72 1116.32 1236.17 1177.32 931.27 610.23 246.21 89.61 7437.60
S.D. 56.46 67.10 69.55 82.70 74.26 73.30 75.73 57.72 73.05 66.06 72.66 43.66 416.71
SKEW 1.24 0.97 -0.16 -0.34 0.15 0.42 -0.32 0.02 -0.76 -0.52 0.18 0.17 -0.40
MAX 264.50 378.00 502.00 772.00 1087.00 1310.50 1391.42 1293.00 1097.00 742.50 396.00 194.27 8253.61
MIN 20.00 20.50 141.16 420.00 702.00 985.00 1041.50 1033.00 693.10 391.24 116.79 4.50 6370.23
NO YRS 45 48 49 50 44 48 49 50 45 46 47 45 26