STEPHAN 2 NW, SD

Average of Average Temperature (Degrees Fahrenheit)

(397992)

File last updated on March 28, 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-----z57.00g50.69 29.35c16.26b32.10i
190410.02 8.16a29.87 42.03 57.95c66.79d69.24 70.31 61.90d53.08a38.08 18.29 43.81
19057.62a11.02a39.05 44.05b51.75a65.46r69.34 73.58a65.02 44.11 37.22 24.02a42.43a
190619.87 20.83a21.77 49.52 56.37a63.32 69.13d68.74 62.72 48.05 30.57a19.66 44.21
19074.94f21.09a36.21 37.91c48.03a63.97 70.47k69.91b58.07a47.50a34.95a25.76b44.34b
190822.43b21.74 30.52 49.45a53.92 62.40 70.72a66.85a66.09a46.97b33.57 19.05a45.31
190912.66 17.57 30.56 39.59a54.80a66.87 71.76 75.28a61.25 48.10 31.98 7.97a43.20
191011.47 7.29 45.45 50.15 52.10 67.15 72.76 67.94 60.68 53.24 -----z17.15 45.94a
191113.02 17.21 38.35 44.15 59.97a73.12 70.27a66.87 59.85 44.23 23.86b19.48e44.20
19121.50 19.95 22.95 47.98 57.87 64.40 71.52c68.27 55.37 48.89 36.15 26.31 43.43
191317.95a15.17a23.69 47.88a53.50a71.23 70.77 74.50a62.58 44.18 38.15 25.55 45.43
191423.10b9.18 30.05 46.47 57.16 66.37 75.44 70.53a63.50 51.13 37.23 12.15 45.19
191512.18 21.67a19.40 52.78 52.08 61.40 67.05 64.74 58.52 51.30a35.66a23.29 43.34
19162.47 14.98 32.61 43.57 54.02 61.00 76.53 73.00l58.75 45.92a32.27j10.22a40.01b
19179.84b6.98a25.74 41.35 52.33a62.03 73.52 67.70a60.62 39.87 41.63 12.48b41.18
19185.44 17.96 39.95 41.93 58.30k-----z-----z-----z-----z-----z-----z-----z26.32h
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-----z73.70c73.58 74.83b58.98c43.12e25.20c28.47a53.98e
196013.68c12.48d15.81d44.77b54.75c63.55 73.66 71.34b62.03 49.95a33.02f15.59c43.42a
196114.14c22.33b35.85 37.86i53.33a67.43 71.02b72.83a57.28a49.37 32.58e15.97 44.74a
196211.12e15.75 21.70a44.48g58.63 64.18 68.97 68.37e57.64i49.32a36.68 22.48 41.72b
19637.60b22.92b36.71 45.78 55.71 69.65 74.42 71.77 63.40 -----z-----z14.52d46.25b
196420.82 25.43 24.64b47.95 59.44 67.12 76.47b67.32 58.72e47.71 30.18 11.32 44.76
19659.63 18.30 19.32 44.28 57.67a64.87 72.03 70.83a49.74a51.90 32.85 28.93a43.36
19665.66 13.43 37.28b39.87 54.40a67.07 77.24 66.82 59.05 46.89 29.52b19.75a43.08
196718.53 16.00a30.68a44.74a50.44 63.75 69.69 68.03 62.42 47.92 33.18 19.98c43.78
196813.83b18.38 38.95 44.86a51.38a-----z71.73a69.85a60.03a-----z31.95b14.68a41.57b
19697.32a19.73 20.58a49.17 60.21 61.05a72.60 74.67a63.87 40.30f34.93 21.40a44.14a
19707.84b23.26a25.65 42.93 59.61 68.59a74.37a73.00a61.78 46.37a29.28a13.80a43.87
19717.60a17.00 30.65a47.72 54.52 71.48 70.39 74.69 60.78 49.56 32.07b15.50 44.33
19728.40a13.16 30.27a44.67 -----z66.80 69.16 71.63 61.82 45.58 -----z13.68 42.52b
197318.47a-----z-----z44.59a56.23 68.48 73.45 76.23a58.75 53.27a-----z17.57a51.89c
197416.95 24.59 34.93a47.98 54.90b66.32 79.37a69.24 58.98 52.66 33.67 25.02e47.05
197519.41b15.20a25.81b41.07 58.79 66.52 77.50 73.77 59.25 51.37 33.23 22.11 45.34
197617.41b31.16 32.35 50.28 57.00a70.57 77.85 78.02 63.30 44.62b26.25b17.45a47.19
19775.87 26.84 34.02 52.40 64.63 69.20 75.18a67.09b62.02 48.21 29.83 14.90a45.85
19780.03 7.46a28.63a44.53a56.88b67.03 71.61 71.81b67.87 48.90 28.62 15.27a42.39
19792.70a7.52 30.68 43.55 53.44 67.14a71.69 70.05 66.48a48.30h28.30b29.16 42.79a
198016.00b19.38a29.71 48.05b60.19b69.35 75.92a72.75c62.77b45.78b36.24a21.44 46.46
198123.98c25.14 37.10b51.43a53.76d65.36b72.52b69.27 64.09b47.08a39.60d17.26 47.22
19821.44e18.13b28.27a41.77 57.85 61.30 72.50 70.12a58.14a46.50 28.22 23.77a42.33
198323.47a29.32 31.53a39.82 50.47a64.78a75.60a78.55 59.90 47.95a31.62a1.52b44.54
198419.55b29.90 27.23a44.33a55.45b66.30b73.23a74.21 56.53 46.61 32.58 13.67a44.97
198511.02c14.46a33.10 48.72a61.90a59.41c70.33b64.40a57.38 46.97a17.98a12.81b41.54
198621.08a14.94c39.98a44.72c57.05c68.22a73.52a67.74 57.43b49.04c29.35c26.98 45.84
198726.07b32.80a32.97a51.91a63.10a70.72 76.81 68.43a61.47 44.82a38.18 25.03a49.36
198810.39d17.31 35.73 46.82 61.82 76.00 76.55 75.18 61.43b46.55 34.08 21.73a46.97
198920.81 10.72c26.63a47.98a57.83a67.37 76.95 73.97a61.47a49.65 32.17 11.32 44.74
199028.82 25.39 36.19 45.48a55.05 67.53 72.18 72.19b65.92 48.82a36.60 15.95a47.51
199111.50c30.54a35.57a48.33c59.29 69.94c73.11 74.18 62.60 45.77a26.63 26.40e46.99
199226.19 29.76 37.52 45.32b60.11 64.93a64.61d65.46c60.62a48.40 29.41a18.12b45.87
199314.13 14.72a33.58 44.19a55.80a63.28c67.98c69.91c57.10a46.28a27.98 21.92 43.07
19947.44 11.07 36.90 46.38 61.25a68.88a70.38c70.26d64.33 50.68a34.13 20.81 45.21
199516.97a26.04 30.43a38.07 53.38a66.45 72.68a74.70a60.07c47.38a31.62b22.76 45.05
19969.57b21.98a23.19b43.42 53.61c67.36a69.78b72.33a61.17a47.97a22.98b8.18a41.80
19979.16b20.29 31.25a39.66a54.47b67.94c71.95a69.95c64.07b50.21c30.24a28.18 44.78
199817.96c32.24a27.19b48.41b60.03b63.19c73.66 73.20a68.48a49.31e36.14b26.05a47.99
199917.03a33.00a36.74 44.75b56.73a65.98 74.00b72.22a-----z-----z40.55b27.53b46.85b
200019.38a28.38 38.73 44.33 58.47 64.25 73.31 73.90 61.92 49.13 23.13 7.92a45.24
200118.05 9.82 25.71 44.27 57.80a65.27 74.66 73.15 62.38 46.66 40.65 22.37 45.07
200221.10 28.84 21.21 44.45 51.89 70.32 76.56 69.71 61.62a38.81 32.37 24.90 45.15
200315.81 16.62 30.84 47.18 54.58 64.40 73.44 72.92 60.13 54.02f26.00 25.12c44.28a
200413.45 19.20b37.61 46.52 55.55 61.03 70.35a66.30a63.40 47.78d35.38 24.54c45.09
200514.67b27.70 34.45b47.67 53.02 67.72 73.92 72.65 65.47a48.26 34.55 17.89c46.50
200630.27a21.02c29.48c50.02g57.71 69.10 78.85 72.98 56.08 43.10 31.92 24.90 46.86a
200717.30a12.48 38.45 41.67 59.45 67.79d75.85 70.48 61.72a49.16 33.50 17.47 45.44
200814.52a16.62c30.68 41.09a52.48 63.78 72.34 71.16 60.57 46.10 32.50 11.42 42.77
200912.58 22.21 28.98 41.29a54.25c63.77 67.31 67.06 61.70 38.29 37.87 19.79x45.03a
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
MEAN14.16 19.40 31.06 45.29 56.16 66.45 72.83 71.04 61.13 47.62 32.35 19.13 44.85
S.D.6.89 7.04 6.16 3.52 3.39 3.32 3.03 3.18 3.16 3.14 4.75 6.10 1.76
SKEW0.09 0.14 -0.28 0.02 0.15 0.31 -0.09 0.03 -0.46 -0.74 -0.47 -0.39 0.11
MAX30.27 33.00 45.45 52.78 64.63 76.00 79.37 78.55 68.48 53.27 41.63 29.16 49.36
MIN0.03 6.98 15.81 37.91 48.03 59.41 64.61 64.40 49.74 38.29 17.98 1.52 41.18
YRS64 64 64 62 63 63 64 64 63 60 60 65 47