There are 15,448,379 daily observations from 849 stations covering data as of July 23, 2021.
The average station has 54.6 years of data with 18,196 observations that are 91.7% complete.
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Daily Records Broken on July 22, 2021

Data is from any station that has at least 50 years of complete data.

Record Highs:
   105: Bismarck, ND (BIS) [based on 74 years of data] {previous daily record: 99 in 2007}
   97: Jamestown, ND (JMS) [based on 74 years of data] - tied with 1964 {previous daily record: 93 in 1963, 1958}
   97: Tampa, FL (TPA) [based on 83 years of data] - tied with 1942 {previous daily record: 93 in 1941}
   94: Miami, FL (MIA) [based on 74 years of data] - tied with 1983 {previous daily record: 93 in 1952}

Record Cold Highs:
   73: Brewerton, NY (USER000000102C) [based on 90 years of data] {previous daily record: 76 in 2009}
   87: San Antonio, TX (SAT) [based on 76 years of data] {previous daily record: 88 in 1972, 1970}

Record Warm Lows:
   80: Pensacola, FL (PNS) [based on 74 years of data] - tied with 2015 {previous daily record: 79 in 2012, 1996, 1978, 1953, 1948}
   76: Alma, GA (AMG) [based on 84 years of data] - tied with 2015, 1948 {previous daily record: 74 in 1943}
   69: Bismarck, ND (BIS) [based on 74 years of data] {previous daily record: 68 in 1965}

Record Lows:
   53: Brewerton, NY (USER000000102C) [based on 90 years of data] {previous daily record: 55 in 2015}

Record Precipitation:
   0.33 inches: Salt Lake City, UT (SLC) [based on 74 years of data] {previous daily record: 0.31 in 1970}

 

Daily Records Broken on July 21, 2021

Data is from any station that has at least 50 years of complete data.

Record Highs:
   101: Bismarck, ND (BIS) [based on 74 years of data] {previous daily record: 100 in 2007, 1955}

Record Cold Highs:
   61: Caribou, ME (CAR) [based on 83 years of data] {previous daily record: 63 in 1950}
   67: St. Johnsbury, VT (1V4) [based on 128 years of data] {previous daily record: 70 in 1966, 1902}
   68: Burlington, VT (BTV) [based on 82 years of data] - tied with 2000 {previous daily record: 69 in 1988, 1966}

Record Warm Lows:
   92: Thermal, CA (TRM) [based on 72 years of data] {previous daily record: 88 in 2004, 1951}
   86: Barstow, CA (DAG) [based on 79 years of data] - tied with 1970 {previous daily record: 80 in 1969, 1968, 1959}
   74: Bismarck, ND (BIS) [based on 74 years of data] {previous daily record: 70 in 2016}
   72: Jamestown, ND (JMS) [based on 74 years of data] {previous daily record: 70 in 1955}
   69: Grand Forks, ND (GFK) [based on 81 years of data] - tied with 2017 {previous daily record: 68 in 2001, 1955, 1941}
   67: Havre, MT (HVR) [based on 61 years of data] - tied with 2007 {previous daily record: 65 in 1971}
   63: Big Bear Lake, CA (USER0000001010) [based on 62 years of data] {previous daily record: 61 in 1988}
   62: Rock Springs, WY (RKS) [based on 74 years of data] - tied with 1989 {previous daily record: 61 in 1963, 1960}
   58: Laramie, WY (LAR) [based on 74 years of data] - tied with 2012 {previous daily record: 54 in 1983, 1954}

Record Lows:
   60: Midland, TX (MAF) [based on 92 years of data] - tied with 1970 {previous daily record: 61 in 1946}

Record Precipitation:
   1.44 inches: Leadville, CO (LXV) [based on 74 years of data] {previous daily record: 0.74 in 1985}

 

Daily Records Broken on July 20, 2021

Data is from any station that has at least 50 years of complete data.

Record Highs:
   87: Fairbanks, AK (FAI) [based on 93 years of data] - tied with 1947 {previous daily record: 86 in 1939}

Record Cold Highs:
   79: Columbia, SC (CAE) [based on 74 years of data] {previous daily record: 85 in 2001}
   80: McComb, MS (MCB) [based on 74 years of data] {previous daily record: 82 in 1967}
   82: Baton Rouge, LA (BTR) [based on 92 years of data] {previous daily record: 83 in 1979}

Record Warm Lows:
   73: Boise, ID (BOI) [based on 82 years of data] {previous daily record: 71 in 2003, 1943}
   68: Worland, WY (WRL) [based on 62 years of data] {previous daily record: 66 in 2006}
   68: Havre, MT (HVR) [based on 61 years of data] {previous daily record: 67 in 2007}
   67: Sheridan, WY (SHR) [based on 74 years of data] - tied with 2003 {previous daily record: 64 in 2002, 1966}
   65: Rock Springs, WY (RKS) [based on 74 years of data] {previous daily record: 64 in 2012, 2006, 1960}
   65: Belgrade, MT (BZN) [based on 81 years of data] {previous daily record: 62 in 1973}
   65: Helena, MT (HLN) [based on 84 years of data] {previous daily record: 64 in 2012, 2003}
   65: Lewistown, MT (LWT) [based on 126 years of data] - tied with 1936 {previous daily record: 60 in 1922, 1921}

Record Precipitation:
   2.01 inches: McComb, MS (MCB) [based on 74 years of data] {previous daily record: 1.73 in 2007}
   1.19 inches: Laramie, WY (LAR) [based on 74 years of data] {previous daily record: 0.72 in 1976}

 

Daily Records Broken on July 19, 2021

Data is from any station that has at least 50 years of complete data.

Record Highs:
   110: Glasgow, MT (GGW) [based on 74 years of data] {previous daily record: 104 in 1960}
   107: Billings, MT (BIL) [based on 74 years of data] {previous daily record: 105 in 1960}
   106: Worland, WY (WRL) [based on 62 years of data] {previous daily record: 102 in 2007, 1998}
   104: Sheridan, WY (SHR) [based on 74 years of data] {previous daily record: 103 in 1960}
   102: Livingston, MT (LVM) [based on 74 years of data] - tied with 2007 {previous daily record: 100 in 2003, 1960}
   100: Lander, WY (LND) [based on 74 years of data] {previous daily record: 98 in 2012, 2006, 1998}
   96: Rock Springs, WY (RKS) [based on 74 years of data] {previous daily record: 94 in 1998}

Record Cold Highs:
   76: Raleigh, NC (RDU) [based on 78 years of data] {previous daily record: 77 in 1947}
   81: Birmingham, AL (BHM) [based on 92 years of data] - tied with 2009 {previous daily record: 82 in 1936}
   81: Wilmington, NC (ILM) [based on 74 years of data] - tied with 1984 {previous daily record: 82 in 1979}
   83: Montgomery, AL (MGM) [based on 74 years of data] {previous daily record: 85 in 2009, 1990, 1977}
   83: Columbia, SC (CAE) [based on 74 years of data] - tied with 2014 {previous daily record: 84 in 1979, 1964}

Record Warm Lows:
   81: Bakersfield, CA (BFL) [based on 85 years of data] - tied with 2018, 2009, 2003, 1998 {previous daily record: 79 in 1961}
   80: Boise, ID (BOI) [based on 82 years of data] {previous daily record: 72 in 2009}
   79: Fresno, CA (FAT) [based on 74 years of data] - tied with 2006 {previous daily record: 77 in 2003, 1998}
   71: Glasgow, MT (GGW) [based on 74 years of data] - tied with 2011, 1955 {previous daily record: 66 in 1951}
   69: Lewiston, ID (LWS) [based on 74 years of data] - tied with 2012, 2002, 1992, 1989 {previous daily record: 68 in 1979}
   68: Medford, OR (MFR) [based on 94 years of data] {previous daily record: 65 in 2015, 2005}

Record Precipitation:
   3.01 inches: Jacksonville, FL (JAX) [based on 84 years of data] {previous daily record: 1.69 in 1953}
   2.30 inches: Huntsville, AL (HSV) [based on 64 years of data] {previous daily record: 1.19 in 1966}
   2.24 inches: Birmingham, AL (BHM) [based on 92 years of data] {previous daily record: 0.90 in 1938}
   1.82 inches: Greensoro, NC (GSO) [based on 94 years of data] {previous daily record: 0.92 in 1941}
   1.29 inches: Lubbock, TX (LBB) [based on 75 years of data] {previous daily record: 1.16 in 1955}
   1.02 inches: San Antonio, TX (SAT) [based on 76 years of data] {previous daily record: 0.85 in 2011}
   0.89 inches: Cedar City, UT (CDC) [based on 74 years of data] {previous daily record: 0.36 in 2013}
   0.79 inches: Greenville, SC (GSP) [based on 60 years of data] {previous daily record: 0.77 in 1969}
   0.29 inches: Reno, NV (RNO) [based on 85 years of data] {previous daily record: 0.23 in 1990}
   0.02 inches: Furnace Creek, CA (USER0000001029) [based on 61 years of data] {previous daily record: in }

 

Daily Records Broken on July 18, 2021

Data is from any station that has at least 50 years of complete data.

Record Highs:
   104: Salt Lake City, UT (SLC) [based on 74 years of data] - tied with 1960 {previous daily record: 100 in 1951}
   104: Glasgow, MT (GGW) [based on 74 years of data] {previous daily record: 102 in 1964, 1955}
   102: Helena, MT (HLN) [based on 84 years of data] {previous daily record: 100 in 2003}
   94: Rock Springs, WY (RKS) [based on 74 years of data] - tied with 2006, 1998 {previous daily record: 92 in 1977, 1970}
   81: Anchorage, AK (ANC) [based on 70 years of data] {previous daily record: 79 in 2016, 1989}
   78: Bethel, AK (BET) [based on 99 years of data] - tied with 2002 {previous daily record: 76 in 1962}
   68: Cold Bay, AK (CDB) [based on 72 years of data] {previous daily record: 67 in 2016, 1979}

Record Cold Highs:
   64: Boonville, NY (USER000000102B) [based on 73 years of data] {previous daily record: 66 in 1976}
   67: Bighamton, NY (BGM) [based on 71 years of data] - tied with 2004, 1962 {previous daily record: 73 in 1958}
   68: Albany, NY (ALB) [based on 84 years of data] {previous daily record: 72 in 2007, 1979, 1938}
   69: St. Johnsbury, VT (1V4) [based on 128 years of data] {previous daily record: 70 in 1965}
   69: Brewerton, NY (USER000000102C) [based on 90 years of data] {previous daily record: 74 in 2014}

Record Warm Lows:
   80: Houston, TX (HOU) [based on 92 years of data] - tied with 2004, 1987 {previous daily record: 77 in 1980, 1976, 1963, 1958, 1953}
   71: Bismarck, ND (BIS) [based on 74 years of data] - tied with 2011 {previous daily record: 67 in 2007, 1998, 1997}
   67: Blacksburg, VA (RNK) [based on 70 years of data] - tied with 2019, 1986 {previous daily record: 66 in 1980, 1977}
   59: Anchorage, AK (ANC) [based on 70 years of data] {previous daily record: 58 in 2016, 2009, 1993}

Record Precipitation:
   3.95 inches: Fort Smith, AR (FSM) [based on 77 years of data] {previous daily record: 0.66 in 1959}
   3.10 inches: Cape Girardeau, MO (CGI) [based on 62 years of data] {previous daily record: 1.03 in 2001}
   2.77 inches: Jackson, TN (MKL) [based on 74 years of data] {previous daily record: 2.32 in 2012}
   2.75 inches: Crossville, TN (CSV) [based on 68 years of data] {previous daily record: 1.94 in 1959}
   2.50 inches: Nashville, TN (BNA) [based on 74 years of data] {previous daily record: 0.70 in 1985}
   1.93 inches: El Paso, TX (ELP) [based on 84 years of data] {previous daily record: 0.56 in 1949}
   1.84 inches: Concord, NH (CON) [based on 83 years of data] {previous daily record: 1.45 in 1949}
   1.74 inches: Worcester, MA (ORH) [based on 74 years of data] {previous daily record: 1.01 in 1981}
   1.40 inches: Burlington, VT (BTV) [based on 82 years of data] {previous daily record: 1.23 in 2000}
   1.17 inches: Portland, ME (PWM) [based on 82 years of data] {previous daily record: 1.12 in 2008}
   1.16 inches: Hartford, CT (BDL) [based on 73 years of data] {previous daily record: 1.09 in 1965}
   1.05 inches: Tri-Cities, TN (TRI) [based on 85 years of data] {previous daily record: 0.95 in 2014}
   0.87 inches: Augusta, ME (AUG) [based on 74 years of data] {previous daily record: 0.71 in 1995}

 

Daily Records Broken on July 17, 2021

Data is from any station that has at least 50 years of complete data.

Record Highs:
   102: Glasgow, MT (GGW) [based on 74 years of data] {previous daily record: 101 in 1955}
   101: Billings, MT (BIL) [based on 74 years of data] - tied with 1977 {previous daily record: 98 in 1976, 1955}
   96: Tampa, FL (TPA) [based on 83 years of data] - tied with 2020, 2016, 2002 {previous daily record: 95 in 1992}
   79: Anchorage, AK (ANC) [based on 70 years of data] {previous daily record: 76 in 2016, 2002}

Record Cold Highs:
   66: Buffalo, NY (BUF) [based on 84 years of data] {previous daily record: 69 in 1976}
   67: Rochester, NY (ROC) [based on 96 years of data] {previous daily record: 69 in 2009}

Record Warm Lows:
   80: Norfolk, VA (ORF) [based on 76 years of data] - tied with 2019, 1983 {previous daily record: 77 in 1955}
   75: Islip, NY (ISP) [based on 59 years of data] - tied with 2013, 2010, 1969 {previous daily record: 72 in 1968}
   71: Glasgow, MT (GGW) [based on 74 years of data] {previous daily record: 69 in 2003}
   58: Anchorage, AK (ANC) [based on 70 years of data] - tied with 2020 {previous daily record: 57 in 1989}

Record Precipitation:
   3.03 inches: Rochester, NY (ROC) [based on 96 years of data] {previous daily record: 1.72 in 1988}
   2.67 inches: Buffalo, NY (BUF) [based on 84 years of data] {previous daily record: 2.36 in 1942}
   2.10 inches: McComb, MS (MCB) [based on 74 years of data] {previous daily record: 0.89 in 1960}
   2.01 inches: Philadelphia, PA (PHL) [based on 82 years of data] {previous daily record: 1.42 in 1940}
   1.74 inches: London, KY (LOZ) [based on 68 years of data] {previous daily record: 1.50 in 1959}
   1.64 inches: Bighamton, NY (BGM) [based on 71 years of data] {previous daily record: 1.34 in 2018}
   1.53 inches: Erie, PA (ERI) [based on 96 years of data] {previous daily record: 1.06 in 1992}
   1.48 inches: Beckley, WV (BKW) [based on 59 years of data] {previous daily record: 1.29 in 1999}
   1.26 inches: Huntington, WV (HTS) [based on 61 years of data] {previous daily record: 0.97 in 2012}
   1.16 inches: Martinsburg, WV (MRB) [based on 96 years of data] {previous daily record: 1.11 in 1995}

 

Daily Records Broken on July 16, 2021

Data is from any station that has at least 50 years of complete data.

Record Highs:
   102: Glasgow, MT (GGW) [based on 74 years of data] {previous daily record: 101 in 1971, 1949}
   97: Tampa, FL (TPA) [based on 83 years of data] - tied with 1951 {previous daily record: 95 in 1948}
   79: Kodiak, AK (ADQ) [based on 73 years of data] {previous daily record: 71 in 1989}
   76: Anchorage, AK (ANC) [based on 70 years of data] - tied with 1996 {previous daily record: 73 in 1993, 1977}

Record Warm Lows:
   81: New York, NY (LGA) [based on 83 years of data] {previous daily record: 80 in 1952}
   79: Cape Hatteras, NC (HSE) [based on 65 years of data] - tied with 2018, 2012, 1995 {previous daily record: 78 in 1992, 1988, 1983}
   73: Hartford, CT (BDL) [based on 73 years of data] - tied with 1975 {previous daily record: 72 in 1968, 1955, 1952}
   67: Helena, MT (HLN) [based on 84 years of data] {previous daily record: 64 in 1996}
   62: Belgrade, MT (BZN) [based on 81 years of data] {previous daily record: 58 in 2002, 1947}
   59: Kodiak, AK (ADQ) [based on 73 years of data] {previous daily record: 55 in 2013, 1951}

Record Lows:
   53: Stockton, CA (SCK) [based on 74 years of data] - tied with 2002, 1999, 1955 {previous daily record: 55 in 1954}

Record Precipitation:
   2.73 inches: Fort Smith, AR (FSM) [based on 77 years of data] {previous daily record: 1.50 in 1992}
   2.72 inches: Fort Wayne, IN (FWA) [based on 83 years of data] {previous daily record: 1.95 in 1986}
   2.20 inches: Detroit, MI (DTW) [based on 64 years of data] {previous daily record: 1.13 in 2020}
   1.86 inches: Hebron, KY (CVG) [based on 74 years of data] {previous daily record: 0.67 in 1952}
   1.50 inches: Jackson, MS (JAN) [based on 59 years of data] {previous daily record: 1.36 in 2004}
   1.43 inches: Cleveland, OH (CLE) [based on 84 years of data] {previous daily record: 1.26 in 1968}
   1.41 inches: Dayton, OH (DAY) [based on 74 years of data] {previous daily record: 0.45 in 1986}
   1.31 inches: Jackson, MI (JXN) [based on 74 years of data] {previous daily record: 1.20 in 1980}
   1.25 inches: Muncie, IN (MIE) [based on 60 years of data] {previous daily record: 1.02 in 1972}
   0.55 inches: Columbia, MO (COU) [based on 53 years of data] {previous daily record: 0.46 in 2004}