Record envelope, standing records and threshold days for Hardy Rs (USC00393572), South Dakota, United States, with 43 years of record.
Key Facts for Hardy Rs
Hardy Rs (USC00393572) is a weather station in South Dakota, United States at 44.15 latitude and -103.95 longitude, 1,973 m (6,473 ft) above sea level.
The station reports from 1909 to 1951, 43 years of record.
1,460 records set at Hardy Rs still stand.
Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
Hardy Rs set a daily record snowfall of 1.3 cm (0.5 in) on 14 September 1951.
About the Station
Location: South Dakota, United States, 44.15 latitude, -103.95 longitude.
Elevation: 1,973 m (6,473 ft).
Period of record: 1909 to 1951, 43 years.
Eligible elements: prcp, snow.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Hardy Rs. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Hardy Rs, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
14.4 C (57.9 F)
-42.8 C (-45.0 F)
n/a
n/a
Feb
14.4 C (57.9 F)
-38.9 C (-38.0 F)
n/a
n/a
Mar
12.8 C (55.0 F)
-31.7 C (-25.1 F)
n/a
n/a
Apr
21.1 C (70.0 F)
-19.4 C (-2.9 F)
n/a
n/a
May
22.2 C (72.0 F)
-15.6 C (3.9 F)
n/a
n/a
Jun
26.1 C (79.0 F)
-10.0 C (14.0 F)
n/a
n/a
Jul
30.6 C (87.1 F)
-4.4 C (24.1 F)
n/a
n/a
Aug
32.8 C (91.0 F)
-2.2 C (28.0 F)
n/a
n/a
Sep
27.2 C (81.0 F)
-12.8 C (9.0 F)
n/a
n/a
Oct
22.8 C (73.0 F)
-13.9 C (7.0 F)
n/a
n/a
Nov
18.3 C (64.9 F)
-26.1 C (-15.0 F)
n/a
n/a
Dec
12.2 C (54.0 F)
-30.0 C (-22.0 F)
n/a
n/a
Which Years Hold Standing Records
1,460 standing records
Year with most
1,460 records at Hardy Rs still stand. 1950 holds the most, with 547.
Standing records at Hardy Rs by the year they were set
Year set
Standing records
1948
109
1949
516
1950
547
1951
288
Wettest Day of Each Month
Aug: 69.9 mm (2.8 in)
The wettest day on record for each calendar month at Hardy Rs. The most was 69.9 mm (2.8 in) on 6 August 1934.
Record daily precipitation for each month at Hardy Rs
Month
Record daily precipitation (mm)
Date
Jan
35.6 mm (1.4 in)
6 January 1932
Feb
35.6 mm (1.4 in)
28 February 1925
Mar
38.1 mm (1.5 in)
29 March 1910
Apr
53.8 mm (2.1 in)
18 April 1918
May
55.9 mm (2.2 in)
23 May 1933
Jun
63.5 mm (2.5 in)
10 June 1941
Jul
46.7 mm (1.8 in)
29 July 1914
Aug
69.9 mm (2.8 in)
6 August 1934
Sep
54.4 mm (2.1 in)
13 September 1928
Oct
50.8 mm (2.0 in)
5 October 1915
Nov
44.5 mm (1.8 in)
28 November 1915
Dec
27.9 mm (1.1 in)
16 December 1927
Period of Record Coverage
1948 to 1951
Complete yearUnder 90 percent of days
4 years of record at Hardy Rs, 1948 to 1951. 2 years have data for under 90 percent of days and are left out of rankings: 1948, 1951.
Yearly extremes at Hardy Rs: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
32.8 C (91.0 F)
1949
29.8 C (85.6 F)
4
Coldest night (TNn)
-42.8 C (-45.0 F)
1951
-36.9 C (-34.5 F)
4
Wettest day (Rx1day)
69.9 mm (2.8 in)
1934
32.0 mm (1.3 in)
43
Wettest five days (Rx5day)
123.0 mm (4.8 in)
1941
52.1 mm (2.1 in)
43
Longest dry spell (CDD)
61 days
1922
24 days
43
Hottest day (TXx)
The hottest day of the year at Hardy Rs, 1909 to 1951. The record is 32.8 C (91.0 F) in 1949, marked on the chart; the median year is 29.8 C (85.6 F).
Hottest day (TXx) at Hardy Rs by year
Year
Hottest day (TXx)
1909
n/a
1910
n/a
1911
n/a
1912
n/a
1913
n/a
1914
n/a
1915
n/a
1916
n/a
1917
n/a
1918
n/a
1919
n/a
1920
n/a
1921
n/a
1922
n/a
1923
n/a
1924
n/a
1925
n/a
1926
n/a
1927
n/a
1928
n/a
1929
n/a
1930
n/a
1931
n/a
1932
n/a
1933
n/a
1934
n/a
1935
n/a
1936
n/a
1937
n/a
1938
n/a
1939
n/a
1940
n/a
1941
n/a
1942
n/a
1943
n/a
1944
n/a
1945
n/a
1946
n/a
1947
n/a
1948
22.8 C (73.0 F)
1949
32.8 C (91.0 F)
1950
28.9 C (84.0 F)
1951
30.6 C (87.1 F)
Coldest night (TNn)
The coldest night of the year at Hardy Rs, 1909 to 1951. The record is -42.8 C (-45.0 F) in 1951, marked on the chart; the median year is -36.9 C (-34.5 F).
Coldest night (TNn) at Hardy Rs by year
Year
Coldest night (TNn)
1909
n/a
1910
n/a
1911
n/a
1912
n/a
1913
n/a
1914
n/a
1915
n/a
1916
n/a
1917
n/a
1918
n/a
1919
n/a
1920
n/a
1921
n/a
1922
n/a
1923
n/a
1924
n/a
1925
n/a
1926
n/a
1927
n/a
1928
n/a
1929
n/a
1930
n/a
1931
n/a
1932
n/a
1933
n/a
1934
n/a
1935
n/a
1936
n/a
1937
n/a
1938
n/a
1939
n/a
1940
n/a
1941
n/a
1942
n/a
1943
n/a
1944
n/a
1945
n/a
1946
n/a
1947
n/a
1948
-23.3 C (-9.9 F)
1949
-37.2 C (-35.0 F)
1950
-36.7 C (-34.1 F)
1951
-42.8 C (-45.0 F)
Wettest day (Rx1day)
The wettest day of the year at Hardy Rs, 1909 to 1951. The record is 69.9 mm (2.8 in) in 1934, marked on the chart; the median year is 32.0 mm (1.3 in).
Wettest day (Rx1day) at Hardy Rs by year
Year
Wettest day (Rx1day)
1909
30.5 mm (1.2 in)
1910
45.7 mm (1.8 in)
1911
22.9 mm (0.9 in)
1912
35.6 mm (1.4 in)
1913
28.4 mm (1.1 in)
1914
46.7 mm (1.8 in)
1915
50.8 mm (2.0 in)
1916
22.9 mm (0.9 in)
1917
14.5 mm (0.6 in)
1918
53.8 mm (2.1 in)
1919
35.6 mm (1.4 in)
1920
31.2 mm (1.2 in)
1921
43.7 mm (1.7 in)
1922
34.3 mm (1.4 in)
1923
50.8 mm (2.0 in)
1924
29.5 mm (1.2 in)
1925
50.8 mm (2.0 in)
1926
24.4 mm (1.0 in)
1927
30.5 mm (1.2 in)
1928
54.4 mm (2.1 in)
1929
50.8 mm (2.0 in)
1930
30.5 mm (1.2 in)
1931
24.4 mm (1.0 in)
1932
53.3 mm (2.1 in)
1933
55.9 mm (2.2 in)
1934
69.9 mm (2.8 in)
1935
17.8 mm (0.7 in)
1936
15.2 mm (0.6 in)
1937
43.2 mm (1.7 in)
1938
20.3 mm (0.8 in)
1939
38.1 mm (1.5 in)
1940
36.8 mm (1.4 in)
1941
63.5 mm (2.5 in)
1942
31.5 mm (1.2 in)
1943
32.0 mm (1.3 in)
1944
31.8 mm (1.3 in)
1945
13.0 mm (0.5 in)
1946
20.6 mm (0.8 in)
1947
20.8 mm (0.8 in)
1948
38.1 mm (1.5 in)
1949
28.2 mm (1.1 in)
1950
30.5 mm (1.2 in)
1951
40.6 mm (1.6 in)
Wettest five days (Rx5day)
The wettest five days of the year at Hardy Rs, 1909 to 1951. The record is 123.0 mm (4.8 in) in 1941, marked on the chart; the median year is 52.1 mm (2.1 in).
Wettest five days (Rx5day) at Hardy Rs by year
Year
Wettest five days (Rx5day)
1909
64.2 mm (2.5 in)
1910
61.0 mm (2.4 in)
1911
50.0 mm (2.0 in)
1912
55.1 mm (2.2 in)
1913
66.0 mm (2.6 in)
1914
94.0 mm (3.7 in)
1915
78.7 mm (3.1 in)
1916
26.5 mm (1.0 in)
1917
31.0 mm (1.2 in)
1918
85.0 mm (3.3 in)
1919
67.9 mm (2.7 in)
1920
42.4 mm (1.7 in)
1921
50.1 mm (2.0 in)
1922
49.6 mm (2.0 in)
1923
76.0 mm (3.0 in)
1924
34.6 mm (1.4 in)
1925
90.2 mm (3.6 in)
1926
66.4 mm (2.6 in)
1927
36.1 mm (1.4 in)
1928
54.7 mm (2.2 in)
1929
91.9 mm (3.6 in)
1930
38.6 mm (1.5 in)
1931
39.1 mm (1.5 in)
1932
112.7 mm (4.4 in)
1933
68.1 mm (2.7 in)
1934
71.7 mm (2.8 in)
1935
49.5 mm (1.9 in)
1936
25.4 mm (1.0 in)
1937
60.2 mm (2.4 in)
1938
36.8 mm (1.4 in)
1939
52.1 mm (2.1 in)
1940
41.6 mm (1.6 in)
1941
123.0 mm (4.8 in)
1942
52.9 mm (2.1 in)
1943
48.5 mm (1.9 in)
1944
31.8 mm (1.3 in)
1945
32.8 mm (1.3 in)
1946
31.0 mm (1.2 in)
1947
27.4 mm (1.1 in)
1948
90.9 mm (3.6 in)
1949
53.4 mm (2.1 in)
1950
47.3 mm (1.9 in)
1951
51.0 mm (2.0 in)
Longest dry spell (CDD)
The longest dry spell of the year at Hardy Rs, 1909 to 1951. The record is 61 days in 1922, marked on the chart; the median year is 24 days.
Longest dry spell (CDD) at Hardy Rs by year
Year
Longest dry spell (CDD)
1909
21 days
1910
16 days
1911
46 days
1912
28 days
1913
32 days
1914
14 days
1915
19 days
1916
27 days
1917
29 days
1918
24 days
1919
29 days
1920
16 days
1921
19 days
1922
61 days
1923
19 days
1924
30 days
1925
30 days
1926
30 days
1927
23 days
1928
19 days
1929
21 days
1930
36 days
1931
30 days
1932
21 days
1933
14 days
1934
25 days
1935
18 days
1936
23 days
1937
24 days
1938
32 days
1939
23 days
1940
23 days
1941
31 days
1942
33 days
1943
36 days
1944
26 days
1945
10 days
1946
13 days
1947
8 days
1948
24 days
1949
27 days
1950
48 days
1951
34 days
Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.
Download the Data
Data for Hardy Rs standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Hardy Rs threshold days by year: CSV or JSON. Field meanings are on the data page.
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-15 (15 October 2026). Records are computed by this site and are not official.