Record envelope, standing records and threshold days for Tenkiller Ferry Dam (USC00348769), Oklahoma, United States, with 31 years of record.
Key Facts for Tenkiller Ferry Dam
Tenkiller Ferry Dam (USC00348769) is a weather station in Oklahoma, United States at 35.60 latitude and -95.05 longitude, 235 m (770 ft) above sea level.
The station reports from 1949 to 1979, 31 years of record.
1,464 records set at Tenkiller Ferry Dam still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Tenkiller Ferry Dam set a daily record precipitation of 50.3 mm (2.0 in) on 2 June 1979.
About the Station
Location: Oklahoma, United States, 35.60 latitude, -95.05 longitude.
Elevation: 235 m (770 ft).
Period of record: 1949 to 1979, 31 years.
Eligible elements: tmax, tmin, prcp, snow, snwd.
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 Tenkiller Ferry Dam. 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 Tenkiller Ferry Dam, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
26.7 C (80.1 F)
-20.0 C (-4.0 F)
n/a
n/a
Feb
29.4 C (84.9 F)
-20.6 C (-5.1 F)
n/a
n/a
Mar
32.2 C (90.0 F)
-13.3 C (8.1 F)
n/a
n/a
Apr
34.4 C (93.9 F)
-4.4 C (24.1 F)
n/a
n/a
May
35.6 C (96.1 F)
2.2 C (36.0 F)
n/a
n/a
Jun
39.4 C (102.9 F)
8.9 C (48.0 F)
n/a
n/a
Jul
43.3 C (109.9 F)
11.1 C (52.0 F)
n/a
n/a
Aug
42.2 C (108.0 F)
11.1 C (52.0 F)
n/a
n/a
Sep
40.6 C (105.1 F)
3.9 C (39.0 F)
n/a
n/a
Oct
35.6 C (96.1 F)
-6.1 C (21.0 F)
n/a
n/a
Nov
29.4 C (84.9 F)
-12.2 C (10.0 F)
n/a
n/a
Dec
27.8 C (82.0 F)
-16.7 C (1.9 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Tenkiller Ferry Dam still stand. 1954 holds the most, with 101.
Standing records at Tenkiller Ferry Dam by the year they were set
Year set
Standing records
1949
36
1950
83
1951
60
1952
63
1953
86
1954
101
1955
56
1956
53
1957
35
1958
31
1959
36
1960
42
1961
45
1962
65
1963
81
1964
47
1965
36
1966
55
1967
43
1968
29
1969
27
1970
42
1971
34
1972
35
1973
20
1974
41
1975
39
1976
46
1977
37
1978
43
1979
17
Wettest Day of Each Month
May: 143.8 mm (5.7 in)
The wettest day on record for each calendar month at Tenkiller Ferry Dam. The most was 143.8 mm (5.7 in) on 11 May 1950.
Record daily precipitation for each month at Tenkiller Ferry Dam
Month
Record daily precipitation (mm)
Date
Jan
56.4 mm (2.2 in)
13 January 1950
Feb
73.7 mm (2.9 in)
22 February 1975
Mar
91.4 mm (3.6 in)
27 March 1977
Apr
108.0 mm (4.3 in)
3 April 1957
May
143.8 mm (5.7 in)
11 May 1950
Jun
84.1 mm (3.3 in)
1 June 1959
Jul
129.0 mm (5.1 in)
25 July 1960
Aug
104.6 mm (4.1 in)
10 August 1974
Sep
102.6 mm (4.0 in)
27 September 1964
Oct
121.7 mm (4.8 in)
11 October 1969
Nov
83.8 mm (3.3 in)
3 November 1974
Dec
66.5 mm (2.6 in)
10 December 1971
Period of Record Coverage
1949 to 1979
Complete yearUnder 90 percent of days
31 years of record at Tenkiller Ferry Dam, 1949 to 1979. 2 years have data for under 90 percent of days and are left out of rankings: 1949, 1979.
Cooler than the station meanWarmer than the station mean
One stripe for each of 29 complete years at Tenkiller Ferry Dam, 1950 to 1978. Blue stripes are years cooler than the station's own mean of 15.9 C (60.6 F); red stripes are warmer. The coolest year was 1958, at 15.0 C (58.9 F), and the warmest was 1954, at 17.8 C (64.0 F). The strongest colour marks a difference of 2.0 C (3.6 F).
Annual mean temperature at Tenkiller Ferry Dam as warming stripes, 1950 to 1978
Year
Annual mean temperature
Difference from the station mean
1950
15.9 C
+0.00 C
1951
16.2 C
+0.28 C
1952
17.0 C
+1.06 C
1953
17.6 C
+1.73 C
1954
17.8 C
+1.90 C
1955
15.9 C
-0.04 C
1956
16.0 C
+0.08 C
1957
15.6 C
-0.31 C
1958
15.0 C
-0.94 C
1959
15.1 C
-0.81 C
1960
15.2 C
-0.65 C
1961
15.1 C
-0.77 C
1962
16.0 C
+0.11 C
1963
16.6 C
+0.66 C
1964
16.3 C
+0.44 C
1965
16.6 C
+0.72 C
1966
15.7 C
-0.24 C
1967
15.7 C
-0.20 C
1968
15.0 C
-0.91 C
1969
15.7 C
-0.23 C
1970
15.5 C
-0.42 C
1971
15.8 C
-0.12 C
1972
15.7 C
-0.24 C
1973
15.7 C
-0.20 C
1974
15.7 C
-0.16 C
1975
15.5 C
-0.43 C
1976
15.2 C
-0.70 C
1977
16.5 C
+0.63 C
1978
15.5 C
-0.38 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
1949 to 1979
Yearly extremes at Tenkiller Ferry Dam: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
43.3 C (109.9 F)
1954
38.9 C (102.0 F)
31
Coldest night (TNn)
-20.6 C (-5.1 F)
1951
-15.0 C (5.0 F)
31
Wettest day (Rx1day)
143.8 mm (5.7 in)
1950
85.1 mm (3.4 in)
31
Wettest five days (Rx5day)
308.4 mm (12.1 in)
1969
114.3 mm (4.5 in)
31
Longest dry spell (CDD)
46 days
1954
25 days
31
Hottest day (TXx)
The hottest day of the year at Tenkiller Ferry Dam, 1949 to 1979. The record is 43.3 C (109.9 F) in 1954, marked on the chart; the median year is 38.9 C (102.0 F).
Hottest day (TXx) at Tenkiller Ferry Dam by year
Year
Hottest day (TXx)
1949
38.3 C (100.9 F)
1950
37.8 C (100.0 F)
1951
40.6 C (105.1 F)
1952
38.9 C (102.0 F)
1953
40.0 C (104.0 F)
1954
43.3 C (109.9 F)
1955
37.2 C (99.0 F)
1956
42.2 C (108.0 F)
1957
38.9 C (102.0 F)
1958
35.0 C (95.0 F)
1959
35.6 C (96.1 F)
1960
36.7 C (98.1 F)
1961
36.1 C (97.0 F)
1962
41.1 C (106.0 F)
1963
40.6 C (105.1 F)
1964
41.7 C (107.1 F)
1965
38.3 C (100.9 F)
1966
39.4 C (102.9 F)
1967
37.8 C (100.0 F)
1968
37.2 C (99.0 F)
1969
41.1 C (106.0 F)
1970
41.7 C (107.1 F)
1971
37.8 C (100.0 F)
1972
38.9 C (102.0 F)
1973
35.6 C (96.1 F)
1974
42.2 C (108.0 F)
1975
37.8 C (100.0 F)
1976
38.3 C (100.9 F)
1977
42.8 C (109.0 F)
1978
40.0 C (104.0 F)
1979
33.9 C (93.0 F)
Coldest night (TNn)
The coldest night of the year at Tenkiller Ferry Dam, 1949 to 1979. The record is -20.6 C (-5.1 F) in 1951, marked on the chart; the median year is -15.0 C (5.0 F).
Coldest night (TNn) at Tenkiller Ferry Dam by year
Year
Coldest night (TNn)
1949
-8.3 C (17.1 F)
1950
-16.7 C (1.9 F)
1951
-20.6 C (-5.1 F)
1952
-9.4 C (15.1 F)
1953
-13.3 C (8.1 F)
1954
-15.0 C (5.0 F)
1955
-15.0 C (5.0 F)
1956
-12.8 C (9.0 F)
1957
-13.3 C (8.1 F)
1958
-16.1 C (3.0 F)
1959
-17.8 C (0.0 F)
1960
-13.3 C (8.1 F)
1961
-15.0 C (5.0 F)
1962
-20.0 C (-4.0 F)
1963
-17.8 C (0.0 F)
1964
-16.1 C (3.0 F)
1965
-12.2 C (10.0 F)
1966
-17.2 C (1.0 F)
1967
-12.2 C (10.0 F)
1968
-17.8 C (0.0 F)
1969
-14.4 C (6.1 F)
1970
-17.8 C (0.0 F)
1971
-16.7 C (1.9 F)
1972
-14.4 C (6.1 F)
1973
-14.4 C (6.1 F)
1974
-13.3 C (8.1 F)
1975
-12.8 C (9.0 F)
1976
-16.1 C (3.0 F)
1977
-20.0 C (-4.0 F)
1978
-15.6 C (3.9 F)
1979
-17.8 C (0.0 F)
Wettest day (Rx1day)
The wettest day of the year at Tenkiller Ferry Dam, 1949 to 1979. The record is 143.8 mm (5.7 in) in 1950, marked on the chart; the median year is 85.1 mm (3.4 in).
Wettest day (Rx1day) at Tenkiller Ferry Dam by year
Year
Wettest day (Rx1day)
1949
80.5 mm (3.2 in)
1950
143.8 mm (5.7 in)
1951
102.4 mm (4.0 in)
1952
67.1 mm (2.6 in)
1953
72.4 mm (2.9 in)
1954
130.6 mm (5.1 in)
1955
68.1 mm (2.7 in)
1956
51.1 mm (2.0 in)
1957
108.0 mm (4.3 in)
1958
83.3 mm (3.3 in)
1959
84.1 mm (3.3 in)
1960
129.0 mm (5.1 in)
1961
101.9 mm (4.0 in)
1962
88.6 mm (3.5 in)
1963
46.0 mm (1.8 in)
1964
102.6 mm (4.0 in)
1965
53.6 mm (2.1 in)
1966
61.0 mm (2.4 in)
1967
72.4 mm (2.9 in)
1968
96.5 mm (3.8 in)
1969
121.7 mm (4.8 in)
1970
85.1 mm (3.4 in)
1971
87.1 mm (3.4 in)
1972
91.4 mm (3.6 in)
1973
70.4 mm (2.8 in)
1974
104.6 mm (4.1 in)
1975
73.7 mm (2.9 in)
1976
100.3 mm (3.9 in)
1977
91.4 mm (3.6 in)
1978
58.4 mm (2.3 in)
1979
50.3 mm (2.0 in)
Wettest five days (Rx5day)
The wettest five days of the year at Tenkiller Ferry Dam, 1949 to 1979. The record is 308.4 mm (12.1 in) in 1969, marked on the chart; the median year is 114.3 mm (4.5 in).
Wettest five days (Rx5day) at Tenkiller Ferry Dam by year
Year
Wettest five days (Rx5day)
1949
117.9 mm (4.6 in)
1950
172.2 mm (6.8 in)
1951
135.2 mm (5.3 in)
1952
108.7 mm (4.3 in)
1953
84.3 mm (3.3 in)
1954
185.9 mm (7.3 in)
1955
98.6 mm (3.9 in)
1956
107.2 mm (4.2 in)
1957
136.1 mm (5.4 in)
1958
153.7 mm (6.1 in)
1959
131.1 mm (5.2 in)
1960
257.2 mm (10.1 in)
1961
154.0 mm (6.1 in)
1962
114.3 mm (4.5 in)
1963
90.9 mm (3.6 in)
1964
146.2 mm (5.8 in)
1965
84.8 mm (3.3 in)
1966
90.0 mm (3.5 in)
1967
107.0 mm (4.2 in)
1968
104.7 mm (4.1 in)
1969
308.4 mm (12.1 in)
1970
129.6 mm (5.1 in)
1971
92.1 mm (3.6 in)
1972
112.6 mm (4.4 in)
1973
133.1 mm (5.2 in)
1974
201.6 mm (7.9 in)
1975
111.9 mm (4.4 in)
1976
183.6 mm (7.2 in)
1977
111.5 mm (4.4 in)
1978
87.4 mm (3.4 in)
1979
70.5 mm (2.8 in)
Longest dry spell (CDD)
The longest dry spell of the year at Tenkiller Ferry Dam, 1949 to 1979. The record is 46 days in 1954, marked on the chart; the median year is 25 days.
Longest dry spell (CDD) at Tenkiller Ferry Dam by year
Year
Longest dry spell (CDD)
1949
21 days
1950
25 days
1951
18 days
1952
36 days
1953
20 days
1954
46 days
1955
41 days
1956
21 days
1957
30 days
1958
16 days
1959
36 days
1960
20 days
1961
20 days
1962
24 days
1963
34 days
1964
30 days
1965
22 days
1966
36 days
1967
25 days
1968
17 days
1969
26 days
1970
25 days
1971
16 days
1972
37 days
1973
19 days
1974
25 days
1975
19 days
1976
22 days
1977
32 days
1978
31 days
1979
13 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
29 years with a frost
Across 29 years with a frost, the median last spring frost at Tenkiller Ferry Dam falls on 28 March and the median first autumn frost on 9 November, which leaves a median of 231 days between them.
Fitted over all years, the growing season changes by +7.1 days per decade at this station.
Frost dates and growing season at Tenkiller Ferry Dam
Measure
Median, all years
Earliest period
Recent period (1950 to 1978)
Recent against earliest
Fitted trend
Last spring frost
28 March
n/a
28 March
n/a
+0.1 days per decade
First autumn frost
9 November
n/a
9 November
n/a
+7.2 days per decade
Growing days
231 days
n/a
231 days
n/a
+7.1 days per decade
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 Tenkiller Ferry Dam standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Tenkiller Ferry Dam 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.