THIEF RIVER FALLS 2, MN

Maximum of Maximum Temperature (Degrees Fahrenheit)

(218247)

File last updated on September 10, 2026
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-----z34.00 48.00 76.00 83.00 83.00 90.00 -----z-----z-----z-----z-----z-----z
1904-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1905-----z-----z-----z-----z-----z-----z-----z87.00 84.00 81.00 55.00 39.00b-----z
1906-----z37.00 -----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1907-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1908-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1909-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1910-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1911-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1912-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1913-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
191440.00 45.00 45.00 70.00 85.00 84.00 93.00 -----z87.00 81.00 -----z-----z-----z
191536.00f42.00 45.00 80.00 80.00 83.00 86.00 90.00 -----z73.00 57.00 35.00 -----z
191628.00 42.00 -----z65.00 82.00 79.00a96.00b92.00 88.00 71.00 65.00f51.00 -----z
191740.00 35.00 48.00 59.00 87.00 89.00 108.00 97.00 86.00 68.00 61.00 37.00 108.00
191827.00 44.00 -----z71.00 92.00 91.00 97.00 94.00 80.00 75.00 57.00 41.00 -----z
191940.00 32.00 44.00 73.00 92.00 92.00 90.00 91.00 88.00 78.00 40.00 34.00 92.00
192027.00 29.00 55.00 58.00 81.00 89.00 88.00 99.00 91.00 90.00 52.00 36.00 99.00
192137.00 43.00 51.00 75.00 89.00 99.00 99.00 93.00 94.00 74.00 53.00 40.00 99.00
192236.00 25.00 51.00 72.00 85.00 92.00 -----z98.00 96.00 87.00 51.00 37.00 -----z
192339.00 38.00 45.00 80.00 87.00 92.00 92.00 90.00 87.00 79.00 60.00 49.00 92.00
192439.00 47.00 46.00 66.00 78.00 84.00 88.00 92.00 83.00 74.00 51.00 38.00 92.00
192536.00 45.00 60.00 80.00 93.00 85.00 91.00 91.00 88.00 57.00 53.00 51.00 93.00
192636.00 40.00 64.00 83.00 95.00 86.00 93.00 93.00 -----z75.00 50.00 35.00 -----z
192740.00 42.00 52.00 69.00 73.00 87.00 90.00 88.00 93.00 77.00 -----z28.00 -----z
192840.00 38.00 65.00 74.00 93.00 84.00 87.00 91.00 82.00 81.00 57.00 49.00 93.00
192919.00 33.00 60.00 75.00 83.00 95.00 98.00 95.00 90.00 72.00 49.00 37.00 98.00
193033.00 50.00 47.00 74.00 91.00 87.00 94.00 95.00 86.00 81.00 58.00 44.00 95.00
193140.00 44.00 47.00 80.00 92.00 99.00 101.00 96.00 99.00 81.00 71.00 37.00 101.00
193236.00 49.00 49.00 75.00 91.00 92.00 99.00 94.00 85.00 72.00 48.00 44.00 99.00
193335.00 42.00 51.00 76.00 87.00 100.00 97.00 92.00 84.00 -----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-----z-----z-----z-----z-----z-----z-----z-----z-----z
1960-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1961-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1962-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1963-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1964-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1965-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1966-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1967-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1968-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1969-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1970-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1971-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1972-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z45.00 29.00 -----z
197340.00 38.00 57.00 76.00 80.00 92.00 90.00d90.00 77.00b72.00a51.00 31.00c92.00j
197428.00a46.00 38.00 75.00b75.00 87.00 92.00b-----z-----z-----z58.00 41.00 -----z
1975-----z-----z45.00h60.00 83.00a85.00 98.00h-----z-----z-----z-----z-----z-----z
1976-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z46.00i38.00a-----z
197729.00b40.00 57.00 83.00a91.00b87.00 95.00 86.00b76.00 69.00c54.00b36.00c95.00o
197827.00 30.00 47.00a73.00 89.00 90.00 92.00 97.00c97.00 73.00a68.00 32.00 97.00e
197922.00 29.00a42.00 64.00a87.00 89.00a91.00 88.00b91.00 71.00 47.00 43.00 91.00e
198034.00b30.00 48.00 98.00 97.00 93.00 96.00 91.00 88.00 81.00 56.00d37.00b98.00h
198141.00c46.00d63.00a75.00b84.00a80.00 93.00c91.00a84.00e64.00d59.00c33.00e-----z
198232.00e39.00c42.00a83.00d83.00c82.00i91.00j91.00i86.00g66.00g43.00o53.00g-----z
198336.00l42.00d50.00a73.00g79.00g92.00d97.00d100.00c94.00h66.00a59.00e24.00d-----z
198437.00f42.00f51.00f69.00e89.00j86.00f93.00i99.00j84.00k75.00j52.00g39.00j-----z
198532.00n42.00f54.00f82.00l88.00l83.00i91.00h86.00h79.00i62.00f53.00f31.00f-----z
198638.00e42.00e62.00f70.00h92.00g91.00l91.00h89.00f77.00c67.00e48.00f34.00g-----z
198738.00c41.00c51.00c85.00i93.00j98.00i95.00h90.00e83.00f77.00b-----z37.00c-----z
198834.00d40.00f49.00f78.00c92.00f98.00f104.00c98.00l84.00b80.00 -----z-----z-----z
198934.00f33.00e47.00d73.00b87.00e91.00d96.00e101.00a89.00a77.00b50.00a35.00g-----z
199044.00 42.00a60.00a88.00 87.00c90.00 96.00 95.00 92.00b78.00a69.00h48.00a96.00q
199135.00 45.00 55.00c82.00a90.00b91.00b94.00c98.00a89.00 65.00 42.00a38.00a98.00n
199240.00a42.00 51.00 83.00 89.00a87.00 83.00a93.00a79.00d86.00e37.00e35.00f93.00x
199341.00a36.00e-----z68.00e90.00f88.00e87.00c92.00f76.00h77.00f43.00f34.00h-----z
199417.00f45.00e53.00e83.00g89.00f85.00e85.00e88.00h88.00d69.00f53.00e43.00a-----z
199534.00e39.00j55.00g59.00e86.00e99.00d92.00j90.00d89.00g78.00h-----z32.00g-----z
199637.00h41.00k49.00d61.00d78.00g95.00i89.00f89.00f84.00m70.00i54.00d31.00h-----z
199733.00m36.00l50.00g69.00i85.00f90.00j91.00l88.00l84.00j80.00k40.00k39.00k-----z
199827.00l45.00d61.00h82.00e84.00h83.00i89.00n89.00l91.00h73.00c50.00f38.00i-----z
199937.00f45.00h60.00g78.00h89.00f88.00g93.00h87.00f82.00i71.00e69.00g47.00e-----z
200036.00a54.00f67.00f76.00e85.00h89.00f88.00j91.00c87.00g75.00g60.00f33.00i-----z
200137.00j32.00i44.00f77.00g80.00g89.00d89.00d94.00e91.00g75.00i64.00c43.00h-----z
200242.00h48.00h51.00h80.00g86.00g92.00d89.00f84.00e84.00e66.00c55.00d44.00d-----z
200341.00e32.00f65.00e85.00i82.00e83.00c87.00c100.00c90.00f84.00f44.00e42.00h-----z
200427.00e43.00g53.00h80.00g75.00j82.00g89.00d83.00c89.00 79.00h53.00a39.00b-----z
200529.00 43.00o49.00q85.00a82.00d85.00s91.00 77.00y-----z-----z57.00x35.00c-----z
200643.00c30.00h49.00e78.00f92.00g90.00d98.00f91.00f85.00e74.00j58.00n36.00n-----z
200741.00k35.00g62.00j80.00i84.00r87.00v93.00p87.00l91.00n65.00y45.00x29.00x-----z
200839.00n28.00o43.00k65.00j81.00k83.00i85.00i-----z88.00w-----z56.00y-----z-----z
2009-----z33.00x46.00x71.00o77.00m87.00m81.00p89.00n82.00g57.00j58.00k31.00l-----z
201031.00k35.00e64.00h74.00e81.00m79.00p90.00g89.00p74.00g80.00j63.00m30.00m-----z
201130.00j42.00r46.00p71.00l75.00r91.00k90.00p87.00n87.00r87.00p55.00u46.00q-----z
201243.00x39.00t68.00x69.00j84.00x90.00o94.00p95.00j88.00a83.00f51.00c46.00l-----z
201345.00k33.00f43.00k67.00h90.00h86.00f87.00f94.00f90.00j73.00f50.00h27.00l-----z
201429.00i33.00n45.00n68.00m86.00n85.00i90.00g86.00h85.00k74.00l53.00l40.00j-----z
201537.00j26.00n68.00n77.00j83.00l89.00l87.00r89.00q88.00k80.00n60.00m45.00n-----z
201636.00j37.00j63.00l67.00n90.00q85.00o93.00s86.00s73.00p76.00t72.00k36.00k-----z
201739.00g46.00m62.00m70.00l80.00p88.00n89.00l88.00x90.00q78.00w33.00x-----z-----z
2018-----z-----z-----z-----z90.00y-----z-----z-----z-----z-----z-----z-----z-----z
2019-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2020-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2021-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2022-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN35.02 39.56 51.27 74.33 86.24 89.07 92.92 92.63 86.89 74.68 53.42 38.84 96.75
S.D.5.95 6.01 6.81 8.39 5.45 4.98 5.26 4.31 5.41 6.91 7.11 6.37 4.86
SKEW-0.80 -0.53 0.51 0.05 -0.31 0.33 0.61 -0.04 0.03 -0.11 0.06 0.08 0.91
MAX44.00 50.00 65.00 98.00 97.00 100.00 108.00 101.00 99.00 90.00 71.00 51.00 108.00
MIN19.00 25.00 38.00 58.00 73.00 79.00 83.00 83.00 76.00 57.00 37.00 24.00 92.00
YRS40 41 37 43 37 41 39 38 36 37 36 37 12