Rampart Weather Records (USC00507891)

Record envelope, standing records and threshold days for Rampart (USC00507891), Alaska, United States, with 34 years of record.

Key Facts for Rampart

Rampart (USC00507891) is a weather station in Alaska, United States at 65.50 latitude and -150.25 longitude, 116 m (381 ft) above sea level.
The station reports from 1900 to 1933, 34 years of record.
1,464 records set at Rampart still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Alaska, United States, 65.50 latitude, -150.25 longitude.
Elevation: 116 m (381 ft).
Period of record: 1900 to 1933, 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 Rampart. 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 Rampart, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	4.4 C (39.9 F)	-55.6 C (-68.1 F)	n/a	n/a
Feb	5.6 C (42.1 F)	-53.3 C (-63.9 F)	n/a	n/a
Mar	11.1 C (52.0 F)	-47.8 C (-54.0 F)	n/a	n/a
Apr	26.7 C (80.1 F)	-37.2 C (-35.0 F)	n/a	n/a
May	30.0 C (86.0 F)	-17.8 C (0.0 F)	n/a	n/a
Jun	36.1 C (97.0 F)	-8.9 C (16.0 F)	n/a	n/a
Jul	36.1 C (97.0 F)	-2.2 C (28.0 F)	n/a	n/a
Aug	35.6 C (96.1 F)	-10.6 C (12.9 F)	n/a	n/a
Sep	29.4 C (84.9 F)	-13.9 C (7.0 F)	n/a	n/a
Oct	15.6 C (60.1 F)	-33.3 C (-27.9 F)	n/a	n/a
Nov	2.8 C (37.0 F)	-49.4 C (-56.9 F)	n/a	n/a
Dec	2.8 C (37.0 F)	-51.7 C (-61.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Rampart still stand. 1916 holds the most, with 89.

Standing records at Rampart by the year they were set
Year set	Standing records
1900	11
1901	19
1902	2
1905	37
1906	71
1907	67
1908	39
1909	49
1910	52
1911	58
1912	43
1913	44
1914	50
1915	56
1916	89
1917	64
1918	80
1919	32
1920	41
1921	39
1922	60
1923	51
1924	48
1925	41
1926	56
1927	44
1928	38
1929	56
1930	31
1931	32
1932	17
1933	47

Wettest Day of Each Month

Aug: 48.8 mm (1.9 in)

The wettest day on record for each calendar month at Rampart. The most was 48.8 mm (1.9 in) on 1 August 1907.

Record daily precipitation for each month at Rampart
Month	Record daily precipitation (mm)	Date
Jan	23.9 mm (0.9 in)	31 January 1908
Feb	17.3 mm (0.7 in)	1 February 1911
Mar	15.0 mm (0.6 in)	4 March 1918
Apr	15.7 mm (0.6 in)	3 April 1911
May	20.3 mm (0.8 in)	31 May 1933
Jun	44.5 mm (1.8 in)	17 June 1930
Jul	19.1 mm (0.8 in)	13 July 1930
Aug	48.8 mm (1.9 in)	1 August 1907
Sep	25.7 mm (1.0 in)	12 September 1915
Oct	26.9 mm (1.1 in)	6 October 1918
Nov	12.7 mm (0.5 in)	9 November 1908
Dec	20.3 mm (0.8 in)	13 December 1907

Period of Record Coverage

1900 to 1933

32 years of record at Rampart, 1900 to 1933. 10 years have data for under 90 percent of days and are left out of rankings: 1900, 1901, 1902, 1905, 1911, 1912, 1919, 1931 and others.

Days with data per year at Rampart
Year	Days with data	Share of year	Complete
1900	86	24%	No
1901	52	14%	No
1902	23	6%	No
1905	195	53%	No
1906	364	100%	Yes
1907	358	98%	Yes
1908	361	99%	Yes
1909	362	99%	Yes
1910	353	97%	Yes
1911	264	72%	No
1912	204	56%	No
1913	357	98%	Yes
1914	354	97%	Yes
1915	361	99%	Yes
1916	340	93%	Yes
1917	361	99%	Yes
1918	348	95%	Yes
1919	277	76%	No
1920	365	100%	Yes
1921	358	98%	Yes
1922	359	98%	Yes
1923	360	99%	Yes
1924	365	100%	Yes
1925	362	99%	Yes
1926	361	99%	Yes
1927	364	100%	Yes
1928	366	100%	Yes
1929	351	96%	Yes
1930	365	100%	Yes
1931	272	75%	No
1932	230	63%	No
1933	241	66%	No

Latest Records

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

Climate Trend

19 complete years, 1906 to 1930

One stripe for each of 19 complete years at Rampart, 1906 to 1930. Blue stripes are years cooler than the station's own mean of -5.3 C (22.5 F); red stripes are warmer. The coolest year was 1909, at -6.7 C (20.0 F), and the warmest was 1926, at -2.9 C (26.9 F). The strongest colour marks a difference of 2.5 C (4.5 F).

Annual mean temperature at Rampart as warming stripes, 1906 to 1930
Year	Annual mean temperature	Difference from the station mean
1906	-6.0 C	-0.72 C
1907	-5.7 C	-0.44 C
1908	-4.7 C	+0.58 C
1909	-6.7 C	-1.40 C
1910	-5.2 C	+0.10 C
1913	-5.0 C	+0.26 C
1914	-3.6 C	+1.72 C
1915	-3.7 C	+1.54 C
1918	-5.4 C	-0.15 C
1920	-6.1 C	-0.81 C
1921	-5.6 C	-0.34 C
1922	-6.0 C	-0.71 C
1923	-4.4 C	+0.86 C
1924	-5.9 C	-0.60 C
1925	-5.8 C	-0.49 C
1926	-2.9 C	+2.43 C
1927	-6.7 C	-1.40 C
1928	-4.5 C	+0.78 C
1930	-6.5 C	-1.21 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

1900 to 1933

Yearly extremes at Rampart: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.1 C (97.0 F)	1915	30.9 C (87.5 F)	32
Coldest night (TNn)	-55.6 C (-68.1 F)	1902	-49.7 C (-57.5 F)	32
Wettest day (Rx1day)	48.8 mm (1.9 in)	1907	17.5 mm (0.7 in)	29
Wettest five days (Rx5day)	53.9 mm (2.1 in)	1907	28.9 mm (1.1 in)	29
Longest dry spell (CDD)	103 days	1933	32 days	29

Hottest day (TXx)

The hottest day of the year at Rampart, 1900 to 1933. The record is 36.1 C (97.0 F) in 1915, marked on the chart; the median year is 30.9 C (87.5 F).

Hottest day (TXx) at Rampart by year
Year	Hottest day (TXx)
1900	9.4 C (48.9 F)
1901	5.6 C (42.1 F)
1902	-7.8 C (18.0 F)
1905	35.6 C (96.1 F)
1906	30.0 C (86.0 F)
1907	29.4 C (84.9 F)
1908	31.7 C (89.1 F)
1909	34.4 C (93.9 F)
1910	33.3 C (91.9 F)
1911	32.8 C (91.0 F)
1912	34.4 C (93.9 F)
1913	34.4 C (93.9 F)
1914	33.3 C (91.9 F)
1915	36.1 C (97.0 F)
1916	36.1 C (97.0 F)
1917	30.6 C (87.1 F)
1918	35.6 C (96.1 F)
1919	31.1 C (88.0 F)
1920	27.2 C (81.0 F)
1921	31.1 C (88.0 F)
1922	25.6 C (78.1 F)
1923	32.8 C (91.0 F)
1924	28.9 C (84.0 F)
1925	31.1 C (88.0 F)
1926	30.6 C (87.1 F)
1927	30.0 C (86.0 F)
1928	30.6 C (87.1 F)
1929	28.9 C (84.0 F)
1930	27.8 C (82.0 F)
1931	26.7 C (80.1 F)
1932	32.2 C (90.0 F)
1933	28.9 C (84.0 F)

Coldest night (TNn)

The coldest night of the year at Rampart, 1900 to 1933. The record is -55.6 C (-68.1 F) in 1902, marked on the chart; the median year is -49.7 C (-57.5 F).

Coldest night (TNn) at Rampart by year
Year	Coldest night (TNn)
1900	-47.2 C (-53.0 F)
1901	-51.7 C (-61.1 F)
1902	-55.6 C (-68.1 F)
1905	-48.9 C (-56.0 F)
1906	-54.4 C (-65.9 F)
1907	-50.6 C (-59.1 F)
1908	-51.7 C (-61.1 F)
1909	-48.9 C (-56.0 F)
1910	-53.3 C (-63.9 F)
1911	-51.7 C (-61.1 F)
1912	-42.2 C (-44.0 F)
1913	-48.3 C (-54.9 F)
1914	-44.4 C (-47.9 F)
1915	-41.7 C (-43.1 F)
1916	-51.7 C (-61.1 F)
1917	-54.4 C (-65.9 F)
1918	-51.1 C (-60.0 F)
1919	-52.8 C (-63.0 F)
1920	-50.6 C (-59.1 F)
1921	-48.3 C (-54.9 F)
1922	-45.0 C (-49.0 F)
1923	-53.9 C (-65.0 F)
1924	-48.9 C (-56.0 F)
1925	-51.7 C (-61.1 F)
1926	-44.4 C (-47.9 F)
1927	-43.9 C (-47.0 F)
1928	-41.7 C (-43.1 F)
1929	-50.6 C (-59.1 F)
1930	-48.9 C (-56.0 F)
1931	-36.7 C (-34.1 F)
1932	-48.9 C (-56.0 F)
1933	-53.3 C (-63.9 F)

Wettest day (Rx1day)

The wettest day of the year at Rampart, 1900 to 1933. The record is 48.8 mm (1.9 in) in 1907, marked on the chart; the median year is 17.5 mm (0.7 in).

Wettest day (Rx1day) at Rampart by year
Year	Wettest day (Rx1day)
1900	n/a
1901	n/a
1902	n/a
1905	16.3 mm (0.6 in)
1906	14.7 mm (0.6 in)
1907	48.8 mm (1.9 in)
1908	23.9 mm (0.9 in)
1909	17.0 mm (0.7 in)
1910	10.4 mm (0.4 in)
1911	17.3 mm (0.7 in)
1912	23.6 mm (0.9 in)
1913	16.5 mm (0.6 in)
1914	23.9 mm (0.9 in)
1915	25.7 mm (1.0 in)
1916	18.5 mm (0.7 in)
1917	13.7 mm (0.5 in)
1918	26.9 mm (1.1 in)
1919	24.9 mm (1.0 in)
1920	17.0 mm (0.7 in)
1921	18.5 mm (0.7 in)
1922	18.5 mm (0.7 in)
1923	14.0 mm (0.6 in)
1924	9.9 mm (0.39 in)
1925	19.1 mm (0.8 in)
1926	13.2 mm (0.5 in)
1927	14.2 mm (0.6 in)
1928	17.5 mm (0.7 in)
1929	10.4 mm (0.4 in)
1930	44.5 mm (1.8 in)
1931	7.6 mm (0.30 in)
1932	17.8 mm (0.7 in)
1933	20.3 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Rampart, 1900 to 1933. The record is 53.9 mm (2.1 in) in 1907, marked on the chart; the median year is 28.9 mm (1.1 in).

Wettest five days (Rx5day) at Rampart by year
Year	Wettest five days (Rx5day)
1900	n/a
1901	n/a
1902	n/a
1905	23.2 mm (0.9 in)
1906	27.5 mm (1.1 in)
1907	53.9 mm (2.1 in)
1908	28.9 mm (1.1 in)
1909	27.1 mm (1.1 in)
1910	13.4 mm (0.5 in)
1911	24.9 mm (1.0 in)
1912	44.7 mm (1.8 in)
1913	12.4 mm (0.5 in)
1914	28.2 mm (1.1 in)
1915	30.2 mm (1.2 in)
1916	45.6 mm (1.8 in)
1917	29.3 mm (1.2 in)
1918	26.9 mm (1.1 in)
1919	44.2 mm (1.7 in)
1920	45.9 mm (1.8 in)
1921	37.8 mm (1.5 in)
1922	40.9 mm (1.6 in)
1923	25.9 mm (1.0 in)
1924	28.9 mm (1.1 in)
1925	48.8 mm (1.9 in)
1926	32.0 mm (1.3 in)
1927	18.3 mm (0.7 in)
1928	27.2 mm (1.1 in)
1929	21.4 mm (0.8 in)
1930	44.5 mm (1.8 in)
1931	13.5 mm (0.5 in)
1932	47.1 mm (1.9 in)
1933	30.4 mm (1.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Rampart, 1900 to 1933. The record is 103 days in 1933, marked on the chart; the median year is 32 days.

Longest dry spell (CDD) at Rampart by year
Year	Longest dry spell (CDD)
1900	n/a
1901	n/a
1902	n/a
1905	14 days
1906	18 days
1907	16 days
1908	20 days
1909	18 days
1910	19 days
1911	30 days
1912	23 days
1913	19 days
1914	35 days
1915	43 days
1916	51 days
1917	45 days
1918	24 days
1919	38 days
1920	38 days
1921	50 days
1922	32 days
1923	36 days
1924	33 days
1925	23 days
1926	65 days
1927	38 days
1928	30 days
1929	47 days
1930	30 days
1931	29 days
1932	32 days
1933	103 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 Rampart standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Rampart 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).