NAMPA 2 NW, IDAHO

Monthly Total Heating Degree Days

(106300)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196001
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
1946 1093.00 852.50 618.00 355.00 175.00 38.50 0.50 2.00 150.50 559.50 791.00 884.00 5519.50
1947 1260.00 741.00 574.00 394.50 97.00 105.50 0.00 7.50 134.00 336.50 819.50 986.50 5456.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 12.40 a 136.50 410.00 795.00 1163.50 2517.40
1949 1595.50 915.00 651.50 330.00 131.50 66.00 3.21 b 0.00 95.50 540.43 a 531.00 g 989.50 5318.14
1950 1189.00 857.50 760.00 467.00 300.70 a 111.00 4.50 8.00 124.00 288.50 669.00 847.33 a 5626.53
1951 1052.50 775.00 840.50 385.00 233.00 111.50 4.00 24.00 123.50 469.50 792.50 1080.50 5891.50
1952 1220.50 981.50 822.00 361.50 188.58 a 74.50 12.00 11.00 71.00 308.00 894.00 954.00 5898.58
1953 712.00 736.50 525.00 f 502.50 349.00 167.50 1.00 20.00 97.50 395.50 615.50 996.65 a 4593.65
1954 878.00 734.00 777.50 425.00 192.50 178.00 15.50 51.00 169.66 a 483.50 673.00 1145.97 a 5723.62
1955 1277.50 1048.96 a 860.00 580.50 320.00 64.50 47.00 0.00 187.50 400.50 889.50 894.50 6570.46
1956 969.00 1084.50 694.50 415.00 207.50 93.00 12.50 36.00 113.50 465.50 877.00 1052.50 6020.50
1957 1399.02 d 929.92 b 659.50 435.52 a 198.50 72.00 7.00 10.33 a 96.50 495.00 862.76 a 933.62 a 6099.67
1958 1048.50 654.00 761.50 508.00 129.00 56.50 4.50 7.00 165.50 386.50 784.00 917.00 5422.00
1959 913.50 796.00 749.68 a 429.50 379.00 53.50 19.50 28.00 223.00 448.47 a 873.50 1146.50 6060.15
1960 1325.50 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 0.00 z 1325.50
Period of Record Statistics
MEAN 1138.11 854.34 730.72 429.92 223.18 91.69 10.09 15.52 134.87 427.67 795.10 999.43 5844.41
S.D. 232.33 131.49 91.14 70.26 88.55 42.59 12.66 14.78 41.26 81.87 91.26 103.90 342.34
SKEW 0.08 0.33 -0.22 0.61 0.42 0.89 2.04 1.09 0.53 -0.14 -0.74 0.30 0.61
MAX 1595.50 1084.50 860.00 580.50 379.00 178.00 47.00 51.00 223.00 559.50 894.00 1163.50 6570.46
MIN 712.00 654.00 574.00 330.00 97.00 38.50 0.00 0.00 71.00 288.50 615.50 847.33 5422.00
NO YRS 14 13 12 13 13 13 13 14 14 14 13 14 11