Council Bluffs 6 NE Weather Records (USC00131889)

Record envelope, standing records and threshold days for Council Bluffs 6 NE (USC00131889), Iowa, United States, with 73 years of record.

Key Facts for Council Bluffs 6 NE

Council Bluffs 6 NE (USC00131889) is a weather station in Iowa, United States at 41.32 latitude and -95.82 longitude, 329 m (1,079 ft) above sea level.
The station reports from 1893 to 1965, 73 years of record.
1,464 records set at Council Bluffs 6 NE still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Iowa, United States, 41.32 latitude, -95.82 longitude.
Elevation: 329 m (1,079 ft).
Period of record: 1893 to 1965, 73 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 Council Bluffs 6 NE. 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 Council Bluffs 6 NE, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	20.0 C (68.0 F)	-35.6 C (-32.1 F)	n/a	n/a
Feb	20.6 C (69.1 F)	-31.7 C (-25.1 F)	n/a	n/a
Mar	26.7 C (80.1 F)	-31.7 C (-25.1 F)	n/a	n/a
Apr	35.0 C (95.0 F)	-10.0 C (14.0 F)	n/a	n/a
May	36.1 C (97.0 F)	-5.6 C (21.9 F)	n/a	n/a
Jun	39.4 C (102.9 F)	3.3 C (37.9 F)	n/a	n/a
Jul	42.2 C (108.0 F)	6.1 C (43.0 F)	n/a	n/a
Aug	40.6 C (105.1 F)	2.2 C (36.0 F)	n/a	n/a
Sep	39.4 C (102.9 F)	-3.9 C (25.0 F)	n/a	n/a
Oct	34.4 C (93.9 F)	-12.2 C (10.0 F)	n/a	n/a
Nov	25.6 C (78.1 F)	-25.0 C (-13.0 F)	n/a	n/a
Dec	20.0 C (68.0 F)	-28.9 C (-20.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Council Bluffs 6 NE still stand. 1901 holds the most, with 74.

Standing records at Council Bluffs 6 NE by the year they were set
Year set	Standing records
1893	15
1896	1
1897	59
1898	60
1899	71
1900	63
1901	74
1902	53
1903	31
1910	18
1911	70
1912	72
1913	58
1914	19
1948	12
1949	29
1950	73
1951	67
1952	50
1953	41
1954	62
1955	59
1956	49
1957	34
1958	34
1959	45
1960	32
1961	40
1962	51
1963	51
1964	47
1965	24

Wettest Day of Each Month

Aug: 210.8 mm (8.3 in)

The wettest day on record for each calendar month at Council Bluffs 6 NE. The most was 210.8 mm (8.3 in) on 26 August 1903.

Record daily precipitation for each month at Council Bluffs 6 NE
Month	Record daily precipitation (mm)	Date
Jan	35.1 mm (1.4 in)	3 January 1949
Feb	45.7 mm (1.8 in)	3 February 1903
Mar	40.6 mm (1.6 in)	13 March 1913
Apr	71.4 mm (2.8 in)	27 April 1914
May	77.5 mm (3.1 in)	28 May 1962
Jun	64.0 mm (2.5 in)	29 June 1965
Jul	91.9 mm (3.6 in)	17 July 1959
Aug	210.8 mm (8.3 in)	26 August 1903
Sep	67.3 mm (2.6 in)	5 September 1956
Oct	63.5 mm (2.5 in)	29 October 1896
Nov	66.0 mm (2.6 in)	19 November 1948
Dec	61.0 mm (2.4 in)	10 December 1911

Period of Record Coverage

1893 to 1965

32 years of record at Council Bluffs 6 NE, 1893 to 1965. 8 years have data for under 90 percent of days and are left out of rankings: 1893, 1896, 1903, 1910, 1913, 1914, 1948, 1965.

Days with data per year at Council Bluffs 6 NE
Year	Days with data	Share of year	Complete
1893	184	50%	No
1896	2	1%	No
1897	353	97%	Yes
1898	345	95%	Yes
1899	359	98%	Yes
1900	363	99%	Yes
1901	357	98%	Yes
1902	359	98%	Yes
1903	168	46%	No
1910	144	39%	No
1911	361	99%	Yes
1912	340	93%	Yes
1913	286	78%	No
1914	149	41%	No
1948	86	23%	No
1949	361	99%	Yes
1950	363	99%	Yes
1951	361	99%	Yes
1952	365	100%	Yes
1953	364	100%	Yes
1954	365	100%	Yes
1955	364	100%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	364	100%	Yes
1964	366	100%	Yes
1965	212	58%	No

Latest Records

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

Climate Trend

23 complete years, 1897 to 1964

One stripe for each of 23 complete years at Council Bluffs 6 NE, 1897 to 1964. Blue stripes are years cooler than the station's own mean of 10.2 C (50.3 F); red stripes are warmer. The coolest year was 1951, at 8.3 C (46.9 F), and the warmest was 1954, at 11.6 C (52.9 F). The strongest colour marks a difference of 1.9 C (3.4 F).

Annual mean temperature at Council Bluffs 6 NE as warming stripes, 1897 to 1964
Year	Annual mean temperature	Difference from the station mean
1897	10.4 C	+0.24 C
1898	10.6 C	+0.41 C
1899	10.0 C	-0.14 C
1900	11.2 C	+1.04 C
1901	11.3 C	+1.13 C
1902	10.0 C	-0.13 C
1911	10.7 C	+0.58 C
1949	10.2 C	+0.00 C
1950	8.7 C	-1.49 C
1951	8.3 C	-1.90 C
1952	9.2 C	-0.94 C
1953	11.3 C	+1.17 C
1954	11.6 C	+1.43 C
1955	10.2 C	+0.06 C
1956	10.9 C	+0.75 C
1957	10.1 C	-0.02 C
1958	9.7 C	-0.47 C
1959	9.8 C	-0.34 C
1960	8.9 C	-1.25 C
1961	9.4 C	-0.74 C
1962	9.8 C	-0.33 C
1963	10.6 C	+0.44 C
1964	10.6 C	+0.44 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

1893 to 1965

Yearly extremes at Council Bluffs 6 NE: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	42.2 C (108.0 F)	1901	38.1 C (100.5 F)	32
Coldest night (TNn)	-35.6 C (-32.1 F)	1912	-26.9 C (-16.5 F)	32
Wettest day (Rx1day)	210.8 mm (8.3 in)	1903	66.0 mm (2.6 in)	33
Wettest five days (Rx5day)	309.4 mm (12.2 in)	1903	87.6 mm (3.4 in)	33
Longest dry spell (CDD)	61 days	1956	29 days	33

Hottest day (TXx)

The hottest day of the year at Council Bluffs 6 NE, 1893 to 1965. The record is 42.2 C (108.0 F) in 1901, marked on the chart; the median year is 38.1 C (100.5 F).

Hottest day (TXx) at Council Bluffs 6 NE by year
Year	Hottest day (TXx)
1893	37.8 C (100.0 F)
1896	23.9 C (75.0 F)
1897	39.4 C (102.9 F)
1898	38.3 C (100.9 F)
1899	38.3 C (100.9 F)
1900	38.3 C (100.9 F)
1901	42.2 C (108.0 F)
1902	36.1 C (97.0 F)
1903	32.8 C (91.0 F)
1904	n/a
1910	38.9 C (102.0 F)
1911	41.1 C (106.0 F)
1912	38.3 C (100.9 F)
1913	40.6 C (105.1 F)
1914	38.3 C (100.9 F)
1948	25.0 C (77.0 F)
1949	35.6 C (96.1 F)
1950	35.6 C (96.1 F)
1951	35.6 C (96.1 F)
1952	38.3 C (100.9 F)
1953	38.9 C (102.0 F)
1954	41.7 C (107.1 F)
1955	40.6 C (105.1 F)
1956	39.4 C (102.9 F)
1957	37.8 C (100.0 F)
1958	35.0 C (95.0 F)
1959	34.4 C (93.9 F)
1960	36.1 C (97.0 F)
1961	37.2 C (99.0 F)
1962	34.4 C (93.9 F)
1963	37.8 C (100.0 F)
1964	38.9 C (102.0 F)
1965	35.0 C (95.0 F)

Coldest night (TNn)

The coldest night of the year at Council Bluffs 6 NE, 1893 to 1965. The record is -35.6 C (-32.1 F) in 1912, marked on the chart; the median year is -26.9 C (-16.5 F).

Coldest night (TNn) at Council Bluffs 6 NE by year
Year	Coldest night (TNn)
1893	-20.0 C (-4.0 F)
1896	n/a
1897	-26.7 C (-16.1 F)
1898	-22.8 C (-9.0 F)
1899	-31.1 C (-24.0 F)
1900	-23.9 C (-11.0 F)
1901	-18.9 C (-2.0 F)
1902	-25.0 C (-13.0 F)
1903	-25.0 C (-13.0 F)
1904	-21.1 C (-6.0 F)
1910	-17.2 C (1.0 F)
1911	-26.1 C (-15.0 F)
1912	-35.6 C (-32.1 F)
1913	-31.7 C (-25.1 F)
1914	-6.1 C (21.0 F)
1948	-27.2 C (-17.0 F)
1949	-25.0 C (-13.0 F)
1950	-30.0 C (-22.0 F)
1951	-28.9 C (-20.0 F)
1952	-25.0 C (-13.0 F)
1953	-25.0 C (-13.0 F)
1954	-25.6 C (-14.1 F)
1955	-27.8 C (-18.0 F)
1956	-26.7 C (-16.1 F)
1957	-28.3 C (-18.9 F)
1958	-31.7 C (-25.1 F)
1959	-28.9 C (-20.0 F)
1960	-31.7 C (-25.1 F)
1961	-28.3 C (-18.9 F)
1962	-30.0 C (-22.0 F)
1963	-28.9 C (-20.0 F)
1964	-27.8 C (-18.0 F)
1965	-27.2 C (-17.0 F)

Wettest day (Rx1day)

The wettest day of the year at Council Bluffs 6 NE, 1893 to 1965. The record is 210.8 mm (8.3 in) in 1903, marked on the chart; the median year is 66.0 mm (2.6 in).

Wettest day (Rx1day) at Council Bluffs 6 NE by year
Year	Wettest day (Rx1day)
1893	42.2 mm (1.7 in)
1896	80.0 mm (3.1 in)
1897	42.7 mm (1.7 in)
1898	73.7 mm (2.9 in)
1899	71.1 mm (2.8 in)
1900	49.5 mm (1.9 in)
1901	31.8 mm (1.3 in)
1902	68.3 mm (2.7 in)
1903	210.8 mm (8.3 in)
1904	6.4 mm (0.25 in)
1910	82.8 mm (3.3 in)
1911	61.0 mm (2.4 in)
1912	50.8 mm (2.0 in)
1913	48.5 mm (1.9 in)
1914	71.4 mm (2.8 in)
1948	66.0 mm (2.6 in)
1949	84.1 mm (3.3 in)
1950	97.8 mm (3.9 in)
1951	72.9 mm (2.9 in)
1952	52.1 mm (2.1 in)
1953	30.2 mm (1.2 in)
1954	44.5 mm (1.8 in)
1955	48.5 mm (1.9 in)
1956	67.3 mm (2.6 in)
1957	59.2 mm (2.3 in)
1958	73.9 mm (2.9 in)
1959	91.9 mm (3.6 in)
1960	73.7 mm (2.9 in)
1961	51.3 mm (2.0 in)
1962	77.5 mm (3.1 in)
1963	37.8 mm (1.5 in)
1964	72.4 mm (2.9 in)
1965	64.0 mm (2.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Council Bluffs 6 NE, 1893 to 1965. The record is 309.4 mm (12.2 in) in 1903, marked on the chart; the median year is 87.6 mm (3.4 in).

Wettest five days (Rx5day) at Council Bluffs 6 NE by year
Year	Wettest five days (Rx5day)
1893	69.6 mm (2.7 in)
1896	201.1 mm (7.9 in)
1897	98.3 mm (3.9 in)
1898	75.2 mm (3.0 in)
1899	139.5 mm (5.5 in)
1900	101.6 mm (4.0 in)
1901	66.8 mm (2.6 in)
1902	143.8 mm (5.7 in)
1903	309.4 mm (12.2 in)
1904	6.4 mm (0.25 in)
1910	97.8 mm (3.9 in)
1911	75.7 mm (3.0 in)
1912	95.4 mm (3.8 in)
1913	63.8 mm (2.5 in)
1914	75.7 mm (3.0 in)
1948	87.6 mm (3.4 in)
1949	85.4 mm (3.4 in)
1950	132.3 mm (5.2 in)
1951	152.7 mm (6.0 in)
1952	99.6 mm (3.9 in)
1953	59.9 mm (2.4 in)
1954	85.2 mm (3.4 in)
1955	63.7 mm (2.5 in)
1956	80.8 mm (3.2 in)
1957	102.6 mm (4.0 in)
1958	105.2 mm (4.1 in)
1959	117.4 mm (4.6 in)
1960	83.6 mm (3.3 in)
1961	72.2 mm (2.8 in)
1962	121.3 mm (4.8 in)
1963	85.6 mm (3.4 in)
1964	111.4 mm (4.4 in)
1965	84.3 mm (3.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Council Bluffs 6 NE, 1893 to 1965. The record is 61 days in 1956, marked on the chart; the median year is 29 days.

Longest dry spell (CDD) at Council Bluffs 6 NE by year
Year	Longest dry spell (CDD)
1893	32 days
1896	24 days
1897	30 days
1898	28 days
1899	22 days
1900	28 days
1901	29 days
1902	44 days
1903	44 days
1904	16 days
1910	30 days
1911	34 days
1912	19 days
1913	14 days
1914	15 days
1948	20 days
1949	33 days
1950	26 days
1951	20 days
1952	55 days
1953	41 days
1954	42 days
1955	35 days
1956	61 days
1957	43 days
1958	43 days
1959	38 days
1960	27 days
1961	23 days
1962	18 days
1963	29 days
1964	29 days
1965	14 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

23 years with a frost

Across 23 years with a frost, the median last spring frost at Council Bluffs 6 NE falls on 2 May and the median first autumn frost on 29 September, which leaves a median of 155 days between them.

Frost dates and growing season at Council Bluffs 6 NE
Measure	Median, all years	Earliest period	Recent period (1897 to 1964)	Recent against earliest	Fitted trend
Last spring frost	2 May	n/a	2 May	n/a	n/a
First autumn frost	29 September	n/a	29 September	n/a	n/a
Growing days	155 days	n/a	155 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 Council Bluffs 6 NE standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Council Bluffs 6 NE 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).