Record envelope, standing records and threshold days for Devils Knob (USC00031982), Arkansas, United States, with 33 years of record.
Key Facts for Devils Knob
Devils Knob (USC00031982) is a weather station in Arkansas, United States at 35.72 latitude and -93.40 longitude, 717 m (2,352 ft) above sea level.
The station reports from 1937 to 1969, 33 years of record.
1,464 records set at Devils Knob still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Devils Knob set a daily record low maximum temperature of 18.9 C (66.0 F) on 18 May 1969.
About the Station
Location: Arkansas, United States, 35.72 latitude, -93.40 longitude.
Elevation: 717 m (2,352 ft).
Period of record: 1937 to 1969, 33 years.
Eligible elements: tmax, tmin, prcp.
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 Devils Knob. 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 Devils Knob, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
23.9 C (75.0 F)
-25.0 C (-13.0 F)
n/a
n/a
Feb
26.1 C (79.0 F)
-20.6 C (-5.1 F)
n/a
n/a
Mar
28.9 C (84.0 F)
-18.9 C (-2.0 F)
n/a
n/a
Apr
30.6 C (87.1 F)
-7.8 C (18.0 F)
n/a
n/a
May
32.8 C (91.0 F)
-0.6 C (30.9 F)
n/a
n/a
Jun
37.8 C (100.0 F)
8.3 C (46.9 F)
n/a
n/a
Jul
42.8 C (109.0 F)
11.7 C (53.1 F)
n/a
n/a
Aug
39.4 C (102.9 F)
10.6 C (51.1 F)
n/a
n/a
Sep
40.0 C (104.0 F)
-1.1 C (30.0 F)
n/a
n/a
Oct
33.9 C (93.0 F)
-5.0 C (23.0 F)
n/a
n/a
Nov
30.0 C (86.0 F)
-15.0 C (5.0 F)
n/a
n/a
Dec
23.3 C (73.9 F)
-20.6 C (-5.1 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Devils Knob still stand. 1954 holds the most, with 81.
Standing records at Devils Knob by the year they were set
Year set
Standing records
1937
26
1938
52
1939
58
1940
68
1941
30
1942
43
1943
61
1944
37
1945
53
1946
24
1947
62
1948
55
1949
29
1950
44
1951
55
1952
58
1953
76
1954
81
1955
57
1956
47
1957
31
1958
37
1959
34
1960
37
1961
37
1962
47
1963
48
1964
39
1965
21
1966
39
1967
50
1968
18
1969
10
Wettest Day of Each Month
Jan: 174.2 mm (6.9 in)
The wettest day on record for each calendar month at Devils Knob. The most was 174.2 mm (6.9 in) on 24 January 1949.
Record daily precipitation for each month at Devils Knob
Month
Record daily precipitation (mm)
Date
Jan
174.2 mm (6.9 in)
24 January 1949
Feb
93.7 mm (3.7 in)
9 February 1966
Mar
101.6 mm (4.0 in)
9 March 1964
Apr
109.7 mm (4.3 in)
8 April 1944
May
109.5 mm (4.3 in)
10 May 1943
Jun
143.5 mm (5.6 in)
10 June 1945
Jul
105.4 mm (4.1 in)
28 July 1944
Aug
82.6 mm (3.3 in)
14 August 1944
Sep
97.0 mm (3.8 in)
12 September 1945
Oct
89.7 mm (3.5 in)
30 October 1941
Nov
104.4 mm (4.1 in)
25 November 1952
Dec
86.9 mm (3.4 in)
10 December 1946
Period of Record Coverage
1937 to 1969
Complete yearUnder 90 percent of days
33 years of record at Devils Knob, 1937 to 1969. 12 years have data for under 90 percent of days and are left out of rankings: 1937, 1946, 1947, 1952, 1959, 1961, 1963, 1964 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 20 complete years at Devils Knob, 1939 to 1966. Blue stripes are years cooler than the station's own mean of 14.1 C (57.3 F); red stripes are warmer. The coolest year was 1958, at 12.9 C (55.2 F), and the warmest was 1954, at 16.0 C (60.9 F). The strongest colour marks a difference of 2.0 C (3.6 F).
Annual mean temperature at Devils Knob as warming stripes, 1939 to 1966
Year
Annual mean temperature
Difference from the station mean
1939
15.0 C
+0.96 C
1940
13.0 C
-1.04 C
1941
14.4 C
+0.30 C
1942
13.8 C
-0.28 C
1943
14.3 C
+0.24 C
1944
14.1 C
+0.06 C
1945
13.5 C
-0.52 C
1948
14.3 C
+0.22 C
1949
14.3 C
+0.29 C
1950
13.6 C
-0.49 C
1953
15.5 C
+1.46 C
1954
16.0 C
+1.98 C
1955
14.4 C
+0.38 C
1957
13.9 C
-0.17 C
1958
12.9 C
-1.18 C
1960
13.1 C
-0.91 C
1961
13.0 C
-1.01 C
1962
13.9 C
-0.19 C
1964
14.2 C
+0.19 C
1966
13.8 C
-0.28 C
This station does not have enough complete years (30 are needed) to fit a temperature trend.
A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.
Extremes by Year
1937 to 1969
Yearly extremes at Devils Knob: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
42.8 C (109.0 F)
1954
35.0 C (95.0 F)
33
Coldest night (TNn)
-25.0 C (-13.0 F)
1940
-17.2 C (1.0 F)
33
Wettest day (Rx1day)
174.2 mm (6.9 in)
1949
81.5 mm (3.2 in)
33
Wettest five days (Rx5day)
268.0 mm (10.6 in)
1945
122.7 mm (4.8 in)
33
Longest dry spell (CDD)
46 days
1953
21 days
33
Hottest day (TXx)
The hottest day of the year at Devils Knob, 1937 to 1969. The record is 42.8 C (109.0 F) in 1954, marked on the chart; the median year is 35.0 C (95.0 F).
Hottest day (TXx) at Devils Knob by year
Year
Hottest day (TXx)
1937
38.9 C (102.0 F)
1938
35.6 C (96.1 F)
1939
37.2 C (99.0 F)
1940
33.3 C (91.9 F)
1941
33.9 C (93.0 F)
1942
35.6 C (96.1 F)
1943
39.4 C (102.9 F)
1944
36.1 C (97.0 F)
1945
35.0 C (95.0 F)
1946
34.4 C (93.9 F)
1947
40.0 C (104.0 F)
1948
36.1 C (97.0 F)
1949
34.4 C (93.9 F)
1950
33.3 C (91.9 F)
1951
35.0 C (95.0 F)
1952
36.7 C (98.1 F)
1953
37.8 C (100.0 F)
1954
42.8 C (109.0 F)
1955
35.0 C (95.0 F)
1956
39.4 C (102.9 F)
1957
34.4 C (93.9 F)
1958
32.8 C (91.0 F)
1959
31.7 C (89.1 F)
1960
33.9 C (93.0 F)
1961
31.7 C (89.1 F)
1962
35.0 C (95.0 F)
1963
37.8 C (100.0 F)
1964
38.3 C (100.9 F)
1965
33.9 C (93.0 F)
1966
37.8 C (100.0 F)
1967
33.3 C (91.9 F)
1968
34.4 C (93.9 F)
1969
28.3 C (82.9 F)
Coldest night (TNn)
The coldest night of the year at Devils Knob, 1937 to 1969. The record is -25.0 C (-13.0 F) in 1940, marked on the chart; the median year is -17.2 C (1.0 F).
Coldest night (TNn) at Devils Knob by year
Year
Coldest night (TNn)
1937
-16.1 C (3.0 F)
1938
-15.6 C (3.9 F)
1939
-14.4 C (6.1 F)
1940
-25.0 C (-13.0 F)
1941
-13.9 C (7.0 F)
1942
-20.6 C (-5.1 F)
1943
-22.8 C (-9.0 F)
1944
-14.4 C (6.1 F)
1945
-20.0 C (-4.0 F)
1946
-13.3 C (8.1 F)
1947
-17.2 C (1.0 F)
1948
-18.9 C (-2.0 F)
1949
-18.9 C (-2.0 F)
1950
-18.9 C (-2.0 F)
1951
-20.6 C (-5.1 F)
1952
-11.7 C (10.9 F)
1953
-16.1 C (3.0 F)
1954
-12.8 C (9.0 F)
1955
-18.3 C (-0.9 F)
1956
-14.4 C (6.1 F)
1957
-15.6 C (3.9 F)
1958
-16.7 C (1.9 F)
1959
-20.6 C (-5.1 F)
1960
-15.0 C (5.0 F)
1961
-18.9 C (-2.0 F)
1962
-23.3 C (-9.9 F)
1963
-21.1 C (-6.0 F)
1964
-17.8 C (0.0 F)
1965
-16.7 C (1.9 F)
1966
-21.1 C (-6.0 F)
1967
-15.6 C (3.9 F)
1968
-20.0 C (-4.0 F)
1969
-16.7 C (1.9 F)
Wettest day (Rx1day)
The wettest day of the year at Devils Knob, 1937 to 1969. The record is 174.2 mm (6.9 in) in 1949, marked on the chart; the median year is 81.5 mm (3.2 in).
Wettest day (Rx1day) at Devils Knob by year
Year
Wettest day (Rx1day)
1937
55.6 mm (2.2 in)
1938
92.2 mm (3.6 in)
1939
80.5 mm (3.2 in)
1940
72.4 mm (2.9 in)
1941
89.7 mm (3.5 in)
1942
78.0 mm (3.1 in)
1943
109.5 mm (4.3 in)
1944
109.7 mm (4.3 in)
1945
143.5 mm (5.6 in)
1946
94.0 mm (3.7 in)
1947
75.2 mm (3.0 in)
1948
70.6 mm (2.8 in)
1949
174.2 mm (6.9 in)
1950
104.9 mm (4.1 in)
1951
77.2 mm (3.0 in)
1952
104.4 mm (4.1 in)
1953
50.3 mm (2.0 in)
1954
77.2 mm (3.0 in)
1955
76.2 mm (3.0 in)
1956
72.4 mm (2.9 in)
1957
72.4 mm (2.9 in)
1958
99.1 mm (3.9 in)
1959
81.3 mm (3.2 in)
1960
81.5 mm (3.2 in)
1961
94.0 mm (3.7 in)
1962
51.3 mm (2.0 in)
1963
38.4 mm (1.5 in)
1964
101.6 mm (4.0 in)
1965
93.5 mm (3.7 in)
1966
93.7 mm (3.7 in)
1967
82.3 mm (3.2 in)
1968
66.8 mm (2.6 in)
1969
100.1 mm (3.9 in)
Wettest five days (Rx5day)
The wettest five days of the year at Devils Knob, 1937 to 1969. The record is 268.0 mm (10.6 in) in 1945, marked on the chart; the median year is 122.7 mm (4.8 in).
Wettest five days (Rx5day) at Devils Knob by year
Year
Wettest five days (Rx5day)
1937
97.8 mm (3.9 in)
1938
265.2 mm (10.4 in)
1939
100.4 mm (4.0 in)
1940
122.1 mm (4.8 in)
1941
121.5 mm (4.8 in)
1942
153.1 mm (6.0 in)
1943
183.1 mm (7.2 in)
1944
137.1 mm (5.4 in)
1945
268.0 mm (10.6 in)
1946
155.9 mm (6.1 in)
1947
74.9 mm (2.9 in)
1948
116.3 mm (4.6 in)
1949
260.1 mm (10.2 in)
1950
116.7 mm (4.6 in)
1951
122.7 mm (4.8 in)
1952
127.3 mm (5.0 in)
1953
90.7 mm (3.6 in)
1954
100.3 mm (3.9 in)
1955
130.5 mm (5.1 in)
1956
115.5 mm (4.5 in)
1957
154.0 mm (6.1 in)
1958
204.2 mm (8.0 in)
1959
111.5 mm (4.4 in)
1960
119.8 mm (4.7 in)
1961
162.3 mm (6.4 in)
1962
135.2 mm (5.3 in)
1963
71.7 mm (2.8 in)
1964
129.3 mm (5.1 in)
1965
108.3 mm (4.3 in)
1966
153.4 mm (6.0 in)
1967
97.0 mm (3.8 in)
1968
117.6 mm (4.6 in)
1969
139.9 mm (5.5 in)
Longest dry spell (CDD)
The longest dry spell of the year at Devils Knob, 1937 to 1969. The record is 46 days in 1953, marked on the chart; the median year is 21 days.
Longest dry spell (CDD) at Devils Knob by year
Year
Longest dry spell (CDD)
1937
18 days
1938
21 days
1939
34 days
1940
19 days
1941
15 days
1942
20 days
1943
28 days
1944
22 days
1945
15 days
1946
14 days
1947
22 days
1948
37 days
1949
20 days
1950
24 days
1951
16 days
1952
25 days
1953
46 days
1954
21 days
1955
29 days
1956
30 days
1957
22 days
1958
22 days
1959
21 days
1960
20 days
1961
16 days
1962
23 days
1963
34 days
1964
24 days
1965
16 days
1966
21 days
1967
17 days
1968
13 days
1969
15 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.
Frost Dates and Growing Season
20 years with a frost
Across 20 years with a frost, the median last spring frost at Devils Knob falls on 13 April and the median first autumn frost on 1 November, which leaves a median of 203 days between them.
Frost dates and growing season at Devils Knob
Measure
Median, all years
Earliest period
Recent period (1939 to 1966)
Recent against earliest
Fitted trend
Last spring frost
13 April
n/a
13 April
n/a
n/a
First autumn frost
1 November
n/a
1 November
n/a
n/a
Growing days
203 days
n/a
203 days
n/a
n/a
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Download the Data
Data for Devils Knob standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Devils Knob 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.