O C Fisher Dam Weather Records (USC00416499)

Record envelope, standing records and threshold days for O C Fisher Dam (USC00416499), Texas, United States, with 34 years of record.

Key Facts for O C Fisher Dam

O C Fisher Dam (USC00416499) is a weather station in Texas, United States at 31.45 latitude and -100.49 longitude, 599 m (1,964 ft) above sea level.
The station reports from 1975 to 2008, 34 years of record.
1,464 records set at O C Fisher Dam still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Texas, United States, 31.45 latitude, -100.49 longitude.
Elevation: 599 m (1,964 ft).
Period of record: 1975 to 2008, 34 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at O C Fisher 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 O C Fisher Dam, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	31.1 C (88.0 F)	-15.6 C (3.9 F)	n/a	n/a
Feb	36.1 C (97.0 F)	-16.1 C (3.0 F)	n/a	n/a
Mar	35.0 C (95.0 F)	-12.8 C (9.0 F)	n/a	n/a
Apr	39.4 C (102.9 F)	-2.8 C (27.0 F)	n/a	n/a
May	43.3 C (109.9 F)	3.3 C (37.9 F)	n/a	n/a
Jun	43.9 C (111.0 F)	10.6 C (51.1 F)	n/a	n/a
Jul	44.4 C (111.9 F)	13.3 C (55.9 F)	n/a	n/a
Aug	42.2 C (108.0 F)	12.8 C (55.0 F)	n/a	n/a
Sep	41.7 C (107.1 F)	1.7 C (35.1 F)	n/a	n/a
Oct	38.3 C (100.9 F)	-3.3 C (26.1 F)	n/a	n/a
Nov	32.8 C (91.0 F)	-11.1 C (12.0 F)	n/a	n/a
Dec	29.4 C (84.9 F)	-18.9 C (-2.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at O C Fisher Dam still stand. 1989 holds the most, with 87.

Standing records at O C Fisher Dam by the year they were set
Year set	Standing records
1975	3
1976	78
1977	52
1978	70
1979	57
1980	48
1981	41
1982	59
1983	57
1984	50
1985	70
1986	56
1987	57
1988	69
1989	87
1990	57
1991	38
1992	43
1993	38
1994	47
1995	45
1996	75
1997	56
1998	49
1999	40
2000	53
2001	31
2002	30
2008	8

Wettest Day of Each Month

Sep: 142.7 mm (5.6 in)

The wettest day on record for each calendar month at O C Fisher Dam. The most was 142.7 mm (5.6 in) on 10 September 1980.

Record daily precipitation for each month at O C Fisher Dam
Month	Record daily precipitation (mm)	Date
Jan	55.9 mm (2.2 in)	9 January 1984
Feb	70.1 mm (2.8 in)	20 February 1997
Mar	41.4 mm (1.6 in)	20 March 2002
Apr	56.1 mm (2.2 in)	5 April 1995
May	77.5 mm (3.1 in)	31 May 1987
Jun	71.4 mm (2.8 in)	11 June 1989
Jul	88.4 mm (3.5 in)	8 July 2002
Aug	47.5 mm (1.9 in)	31 August 1993
Sep	142.7 mm (5.6 in)	10 September 1980
Oct	135.4 mm (5.3 in)	13 October 1981
Nov	55.6 mm (2.2 in)	15 November 2001
Dec	57.7 mm (2.3 in)	31 December 1984

Period of Record Coverage

1975 to 2008

29 years of record at O C Fisher Dam, 1975 to 2008. 7 years have data for under 90 percent of days and are left out of rankings: 1975, 1998, 1999, 2000, 2001, 2002, 2008.

Days with data per year at O C Fisher Dam
Year	Days with data	Share of year	Complete
1975	30	8%	No
1976	365	100%	Yes
1977	364	100%	Yes
1978	364	100%	Yes
1979	364	100%	Yes
1980	365	100%	Yes
1981	363	99%	Yes
1982	365	100%	Yes
1983	364	100%	Yes
1984	366	100%	Yes
1985	365	100%	Yes
1986	363	99%	Yes
1987	365	100%	Yes
1988	366	100%	Yes
1989	361	99%	Yes
1990	365	100%	Yes
1991	364	100%	Yes
1992	364	99%	Yes
1993	360	99%	Yes
1994	361	99%	Yes
1995	334	92%	Yes
1996	363	99%	Yes
1997	364	100%	Yes
1998	289	79%	No
1999	252	69%	No
2000	248	68%	No
2001	245	67%	No
2002	183	50%	No
2008	30	8%	No

Latest Records

No records were set at this station in the latest data.

Climate Trend

21 complete years, 1976 to 1997

One stripe for each of 21 complete years at O C Fisher Dam, 1976 to 1997. Blue stripes are years cooler than the station's own mean of 17.7 C (63.9 F); red stripes are warmer. The coolest year was 1987, at 16.5 C (61.7 F), and the warmest was 1996, at 18.7 C (65.7 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at O C Fisher Dam as warming stripes, 1976 to 1997
Year	Annual mean temperature	Difference from the station mean
1976	17.0 C	-0.76 C
1977	18.6 C	+0.83 C
1978	17.7 C	-0.02 C
1979	17.3 C	-0.43 C
1980	18.2 C	+0.43 C
1981	18.2 C	+0.46 C
1982	17.8 C	+0.11 C
1983	17.6 C	-0.09 C
1984	17.8 C	+0.02 C
1985	17.4 C	-0.34 C
1986	18.3 C	+0.59 C
1987	16.5 C	-1.22 C
1988	16.6 C	-1.12 C
1989	17.0 C	-0.69 C
1990	17.5 C	-0.21 C
1991	17.9 C	+0.12 C
1992	18.0 C	+0.28 C
1993	17.9 C	+0.16 C
1994	18.7 C	+0.95 C
1996	18.7 C	+1.01 C
1997	17.7 C	-0.07 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

1975 to 2008

Yearly extremes at O C Fisher Dam: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	44.4 C (111.9 F)	1996	40.0 C (104.0 F)	29
Coldest night (TNn)	-18.9 C (-2.0 F)	1989	-11.1 C (12.0 F)	29
Wettest day (Rx1day)	142.7 mm (5.6 in)	1980	56.6 mm (2.2 in)	29
Wettest five days (Rx5day)	168.3 mm (6.6 in)	1980	78.8 mm (3.1 in)	29
Longest dry spell (CDD)	70 days	1981	39 days	29

Hottest day (TXx)

The hottest day of the year at O C Fisher Dam, 1975 to 2008. The record is 44.4 C (111.9 F) in 1996, marked on the chart; the median year is 40.0 C (104.0 F).

Hottest day (TXx) at O C Fisher Dam by year
Year	Hottest day (TXx)
1975	25.6 C (78.1 F)
1976	37.2 C (99.0 F)
1977	41.1 C (106.0 F)
1978	40.6 C (105.1 F)
1979	37.2 C (99.0 F)
1980	41.7 C (107.1 F)
1981	38.3 C (100.9 F)
1982	38.3 C (100.9 F)
1983	38.9 C (102.0 F)
1984	40.6 C (105.1 F)
1985	39.4 C (102.9 F)
1986	42.2 C (108.0 F)
1987	38.3 C (100.9 F)
1988	40.0 C (104.0 F)
1989	42.2 C (108.0 F)
1990	40.0 C (104.0 F)
1991	37.8 C (100.0 F)
1992	40.0 C (104.0 F)
1993	40.0 C (104.0 F)
1994	43.9 C (111.0 F)
1995	41.7 C (107.1 F)
1996	44.4 C (111.9 F)
1997	38.9 C (102.0 F)
1998	42.8 C (109.0 F)
1999	41.1 C (106.0 F)
2000	43.3 C (109.9 F)
2001	40.6 C (105.1 F)
2002	40.6 C (105.1 F)
2008	25.0 C (77.0 F)

Coldest night (TNn)

The coldest night of the year at O C Fisher Dam, 1975 to 2008. The record is -18.9 C (-2.0 F) in 1989, marked on the chart; the median year is -11.1 C (12.0 F).

Coldest night (TNn) at O C Fisher Dam by year
Year	Coldest night (TNn)
1975	-10.6 C (12.9 F)
1976	-11.7 C (10.9 F)
1977	-11.7 C (10.9 F)
1978	-11.7 C (10.9 F)
1979	-15.6 C (3.9 F)
1980	-12.8 C (9.0 F)
1981	-12.8 C (9.0 F)
1982	-15.6 C (3.9 F)
1983	-15.6 C (3.9 F)
1984	-11.7 C (10.9 F)
1985	-16.1 C (3.0 F)
1986	-6.7 C (19.9 F)
1987	-10.0 C (14.0 F)
1988	-10.6 C (12.9 F)
1989	-18.9 C (-2.0 F)
1990	-15.0 C (5.0 F)
1991	-10.0 C (14.0 F)
1992	-9.4 C (15.1 F)
1993	-10.0 C (14.0 F)
1994	-11.1 C (12.0 F)
1995	-7.8 C (18.0 F)
1996	-13.9 C (7.0 F)
1997	-11.1 C (12.0 F)
1998	-9.4 C (15.1 F)
1999	-10.0 C (14.0 F)
2000	-11.7 C (10.9 F)
2001	-7.2 C (19.0 F)
2002	-11.1 C (12.0 F)
2008	-8.3 C (17.1 F)

Wettest day (Rx1day)

The wettest day of the year at O C Fisher Dam, 1975 to 2008. The record is 142.7 mm (5.6 in) in 1980, marked on the chart; the median year is 56.6 mm (2.2 in).

Wettest day (Rx1day) at O C Fisher Dam by year
Year	Wettest day (Rx1day)
1975	8.1 mm (0.32 in)
1976	47.0 mm (1.9 in)
1977	47.0 mm (1.9 in)
1978	43.9 mm (1.7 in)
1979	26.4 mm (1.0 in)
1980	142.7 mm (5.6 in)
1981	135.4 mm (5.3 in)
1982	50.8 mm (2.0 in)
1983	58.4 mm (2.3 in)
1984	57.7 mm (2.3 in)
1985	59.2 mm (2.3 in)
1986	77.5 mm (3.1 in)
1987	109.7 mm (4.3 in)
1988	45.0 mm (1.8 in)
1989	71.4 mm (2.8 in)
1990	56.6 mm (2.2 in)
1991	64.8 mm (2.6 in)
1992	83.8 mm (3.3 in)
1993	49.5 mm (1.9 in)
1994	63.5 mm (2.5 in)
1995	56.1 mm (2.2 in)
1996	48.5 mm (1.9 in)
1997	70.1 mm (2.8 in)
1998	42.9 mm (1.7 in)
1999	58.4 mm (2.3 in)
2000	48.3 mm (1.9 in)
2001	55.6 mm (2.2 in)
2002	88.4 mm (3.5 in)
2008	0.3 mm (0.01 in)

Wettest five days (Rx5day)

The wettest five days of the year at O C Fisher Dam, 1975 to 2008. The record is 168.3 mm (6.6 in) in 1980, marked on the chart; the median year is 78.8 mm (3.1 in).

Wettest five days (Rx5day) at O C Fisher Dam by year
Year	Wettest five days (Rx5day)
1975	12.4 mm (0.5 in)
1976	91.2 mm (3.6 in)
1977	100.7 mm (4.0 in)
1978	79.3 mm (3.1 in)
1979	46.5 mm (1.8 in)
1980	168.3 mm (6.6 in)
1981	160.8 mm (6.3 in)
1982	69.6 mm (2.7 in)
1983	67.1 mm (2.6 in)
1984	67.1 mm (2.6 in)
1985	64.5 mm (2.5 in)
1986	129.2 mm (5.1 in)
1987	157.0 mm (6.2 in)
1988	55.9 mm (2.2 in)
1989	78.1 mm (3.1 in)
1990	132.1 mm (5.2 in)
1991	100.6 mm (4.0 in)
1992	109.8 mm (4.3 in)
1993	59.2 mm (2.3 in)
1994	134.6 mm (5.3 in)
1995	92.7 mm (3.6 in)
1996	78.8 mm (3.1 in)
1997	82.8 mm (3.3 in)
1998	44.3 mm (1.7 in)
1999	58.4 mm (2.3 in)
2000	59.0 mm (2.3 in)
2001	56.1 mm (2.2 in)
2002	88.4 mm (3.5 in)
2008	0.3 mm (0.01 in)

Longest dry spell (CDD)

The longest dry spell of the year at O C Fisher Dam, 1975 to 2008. The record is 70 days in 1981, marked on the chart; the median year is 39 days.

Longest dry spell (CDD) at O C Fisher Dam by year
Year	Longest dry spell (CDD)
1975	23 days
1976	47 days
1977	29 days
1978	46 days
1979	50 days
1980	39 days
1981	70 days
1982	37 days
1983	68 days
1984	40 days
1985	38 days
1986	34 days
1987	28 days
1988	66 days
1989	43 days
1990	42 days
1991	36 days
1992	48 days
1993	29 days
1994	51 days
1995	35 days
1996	32 days
1997	28 days
1998	56 days
1999	39 days
2000	55 days
2001	42 days
2002	29 days
2008	31 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

21 years with a frost

Across 21 years with a frost, the median last spring frost at O C Fisher Dam falls on 26 March and the median first autumn frost on 8 November, which leaves a median of 232 days between them.

Frost dates and growing season at O C Fisher Dam
Measure	Median, all years	Earliest period	Recent period (1976 to 1997)	Recent against earliest	Fitted trend
Last spring frost	26 March	n/a	26 March	n/a	n/a
First autumn frost	8 November	n/a	8 November	n/a	n/a
Growing days	232 days	n/a	232 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 O C Fisher Dam standing records by year: CSV or JSON. Field meanings are on the data page.
Data for O C Fisher 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.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).