STEPHAN 2 NW, SD

Average of Maximum Temperature (Degrees Fahrenheit)

(397992)

File last updated on March 29, 2024
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
1903-----z-----z-----z-----z-----z-----z-----z-----z72.43g68.71 41.43b27.72b45.95i
190421.71 21.07 43.39 57.20 71.79c79.04d83.42 86.13 78.42d68.43a53.47 29.45 57.79
190518.90 23.63a52.35 57.93a64.32 76.22l80.48 86.73a81.57 56.65 50.40 34.17a55.19a
190632.68 35.00a32.55 64.27 69.52 75.20 82.93d80.74 75.93 61.45 41.57 30.45 56.86
190716.81d32.07a49.84 51.57b61.45 76.47 84.08e85.00b72.93a63.53a49.17a39.63a56.88
190837.17a31.97 44.26 66.59a66.97 73.63 84.67a82.70a83.37 59.42 47.33 29.00a58.92
190923.97 28.36 41.45 54.33 69.67a79.03 85.39 90.13 76.13 61.71 42.80 15.48 55.70
191022.68 18.71 60.58 67.83 65.87 81.30 88.03 84.65 76.07 71.26 -----z28.13 60.46a
191125.84 30.25 54.13 58.70 74.68 88.67 85.27a79.35 72.53 53.97 36.47 30.07b57.49
191211.90 31.21 35.06 64.10 71.39 78.80 85.29c82.16 66.93 65.26 52.57 41.10 57.15
191335.70a29.29 37.13 63.52a66.37a86.00 83.90 88.70a77.10 57.87 52.03 37.71 59.61
191435.48b21.07 41.81 60.50 68.68 78.20 89.94 84.94 75.13 66.23 51.57 25.23 58.23
191523.35 28.78a28.10 66.03 63.58 72.97 79.68 78.74 71.70 66.19 47.93a33.52 55.05
191614.03 25.45 46.26 57.17 69.35 72.87 90.03 87.16l74.13 61.06 46.91g23.50a53.39b
191722.73a19.07 35.65 52.37 66.42 76.60 88.81 83.32 73.77 56.06 55.20 24.07a54.51
191817.32 31.96 55.81 56.30 75.35k-----z-----z-----z-----z-----z-----z-----z40.35h
1919-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1920-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1921-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1922-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1923-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1924-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1925-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1926-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1927-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1928-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1929-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1930-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1931-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1932-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1933-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1934-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1935-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1936-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1937-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1938-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1939-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1940-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1941-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1942-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1943-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1944-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1945-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1946-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1947-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1948-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1949-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1950-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1951-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1952-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1953-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1954-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1955-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1956-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1957-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1958-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1959-----z-----z-----z-----z-----z88.64b91.06 93.35 75.14a57.86b37.67c38.90a68.95e
196024.14b22.50c27.33a57.64b71.81 76.90 90.45 88.32 78.57 68.23 51.18b28.60a57.14
196127.97 35.39 48.32 55.33c66.48 82.93 87.84 89.81 73.52a66.55 47.90a29.61 59.30
196227.53a27.89 31.74 61.96b71.35 76.03 82.16 85.10 75.55a66.57a51.63 36.42 57.83
196321.03a37.15b53.26 59.60 71.03 84.00 88.32 87.48 78.97 -----z-----z27.41b60.83b
196434.94 39.03 39.62b62.90 75.26 82.53 91.63a83.55 77.04b66.52 46.47 24.26 60.31
196522.32 34.21 32.13 57.90 73.83a77.57 86.94 88.17a61.50 69.39 47.60 40.03 57.63
196617.74 25.46 49.80a54.23 72.68 82.90 91.48 81.74 74.27 63.52 43.55a33.26 57.55
196733.06 32.39 46.00a59.79a64.16 76.13 85.13 85.52 78.10 61.87 46.90 33.43c58.54
196826.67a30.14 55.84 59.31a66.03 -----z85.03 83.53a73.90 -----z43.14a24.83a54.84b
196915.26 28.54 31.52 63.63 76.26 74.79a86.42 90.93a80.33 54.21b47.60 31.33a56.74
197019.20a35.46 37.00 55.97 75.32 83.23 90.97a88.17a77.47 61.23 39.40 26.06 57.46
197118.43a27.82 43.10a63.10 69.42 85.83 87.84 92.03 75.57 62.55 43.57b26.58 57.99
197222.58 24.62 42.13a56.90 -----z81.27 83.87 86.45 77.50 58.87 -----z23.94 55.81b
197328.55 -----z-----z59.14a72.45 84.67 89.32 93.30a71.97 67.52 -----z29.10 66.22c
197429.84 37.96 48.90a62.87 70.10 82.40 96.17a85.13 76.43 69.29 47.43 37.63a62.01
197530.71 25.82 38.87 51.10 73.39 79.90 94.13 89.23 74.43 67.77 46.83 34.68 58.91
197629.48b44.34 46.00 65.03 74.03a88.33 94.97 95.90 81.57 60.47a41.70 30.35 62.68
197718.48 38.61 44.26 67.43 78.87 84.03 90.55 82.52 75.97 62.00 42.33 25.45 59.21
197811.58 17.11 41.32 56.38a71.58 83.67 86.52 90.65 85.60 66.16 41.90 26.97 56.62
197914.03a20.11 42.23 57.17 67.68 82.10a85.45 84.65 85.10 64.84 39.97 44.26 57.30
198029.38b30.72 43.68 66.63 77.81 85.60 93.47a88.84 80.40 61.45 48.00 32.84 61.57
198137.38b38.82 55.26 68.13 69.94 82.00 88.10 84.35 82.20 60.77 55.42d27.39 62.48
198214.19d31.85a40.10a58.03 69.74 75.73 88.10 85.03 73.10 59.61 41.03 37.97a56.21
198336.93a43.29 41.84 54.17 67.60a77.66a90.40a96.03 80.43 62.45 41.33 11.70a58.65
198431.21b41.45 39.27a57.10a72.07b80.62a90.42 91.94 74.10 61.32 48.93 27.90 59.69
198525.32 29.43 48.06 67.67 80.45 76.07b91.26 81.13 69.30 61.93a27.62a24.26 56.88
198631.90a24.07 52.13 58.00b70.81 82.60 88.97 84.97 69.77 61.83b39.50b40.58 58.76
198738.67a43.33a41.94 68.00a76.40a85.93 91.55 81.74 75.87 59.63a47.73 34.35 62.10
198821.71c29.00 49.19 63.40 74.06 90.70 92.06 90.87 76.38a60.45 44.93 34.87 60.64
198932.87 23.12b36.40a61.97a72.53a83.23 91.52 89.10a75.97a64.23 43.80 21.16 57.99
199039.52 36.50 47.77 61.77 67.48 81.57 85.58 86.00a82.10 64.87 50.93 28.23a61.03
199125.10 43.48a48.83a61.70c70.00 81.86b87.03 89.29 76.93 60.10 36.13 38.57c59.92
199237.29 38.86 49.61 60.04b78.48 77.31a75.33d77.82c75.10 62.90 36.17a29.33a58.19
199325.26 23.63a44.97 56.28a69.70a74.29b78.79c83.18c73.03a62.07a38.20 31.39 55.06
199416.87 21.25 50.06 61.80 76.43a82.07a84.89c84.75c78.33 62.23a45.73 29.84 57.86
199525.47a36.82 41.77a47.97 64.60a77.63 86.67a88.43a73.57b59.17a43.36b31.87 56.44
199621.57a32.61a34.50a58.07 62.43a80.28a84.31b87.97a74.41a61.37a31.03a16.45 53.75
199717.17a29.89 42.60a51.00a67.30a80.70c82.70a81.83b77.97a64.00a41.10 37.48 56.15
199827.60a41.11 36.07a62.48a73.48b75.00a86.55 85.93a84.48a60.28b45.82b40.13a59.91
199929.52 43.85a48.97 56.97a69.43a77.70 87.72b86.40a-----z-----z56.20 39.70a59.65b
200032.55 42.45 53.45 58.07 72.52 78.03 86.58 88.13 78.67 62.55 32.20 17.16 58.53
200127.90 19.39 35.32 55.43 70.29 77.17 86.58 88.32 76.07 61.61 55.03 32.03 57.10
200231.39 42.21 31.71 58.47 65.87 84.60 90.10 82.29 76.33 49.74 44.43 36.13 57.77
200327.06 28.21 44.58 60.60 66.84 77.03 87.68 87.87 76.17 71.40f35.97 33.43c56.86a
200424.03 30.44b49.52 62.97 68.23 73.80 83.67a80.17a77.07 61.48d47.80 36.89c58.00
200524.48b40.71 48.00b61.63 65.16 77.77 88.52 87.84 80.50 62.68 47.67 25.96c59.24
200638.83a33.36 40.07c62.30g72.48 83.83 94.74 86.58 68.43 57.42 46.00 37.55 59.94a
200728.47a22.82 51.61 53.60 71.87 78.10 90.10 81.74 77.93 62.94 46.33 29.03 57.88
200827.40a29.31c44.19 55.28a64.42 76.17 85.65 83.84 75.80 59.00 42.37 21.81 55.44
200924.55 33.29 41.84 52.90a69.42 75.23 80.32 80.87 75.00 47.10 52.37 30.57x57.53a
2010-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2011-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2012-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2013-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2014-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN25.93 31.21 43.61 59.47 70.31 80.11 87.35 86.13 76.24 62.07 44.95 30.59 58.16
S.D.7.23 7.37 7.37 4.72 4.21 4.29 4.06 4.01 4.21 4.47 6.14 6.74 2.00
SKEW-0.01 0.06 -0.13 -0.02 0.18 0.35 -0.31 0.27 -0.43 -0.70 -0.44 -0.39 0.32
MAX39.52 44.34 60.58 68.13 80.45 90.70 96.17 96.03 85.60 71.26 56.20 44.26 62.68
MIN11.58 17.11 27.33 47.97 61.45 72.87 75.33 77.82 61.50 47.10 27.62 11.70 53.75
YRS65 64 64 64 63 63 65 64 64 62 61 65 53