Platinum Weather Records (USC00507365)

Record envelope, standing records and threshold days for Platinum (USC00507365), Alaska, United States, with 88 years of record.

Key Facts for Platinum

Platinum (USC00507365) is a weather station in Alaska, United States at 59.02 latitude and -161.78 longitude, 6 m (20 ft) above sea level.
The station reports from 1939 to 2026, 88 years of record.
1,464 records set at Platinum 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, 59.02 latitude, -161.78 longitude.
Elevation: 6 m (20 ft).
Period of record: 1939 to 2026, 88 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

11 days at or beyond a record

The band shows the record high and record low for each calendar day at Platinum. The lines show the 2026 daily maximum and minimum. 11 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Platinum, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	11.1 C (52.0 F)	-36.7 C (-34.1 F)	n/a	n/a
Feb	8.3 C (46.9 F)	-35.6 C (-32.1 F)	n/a	n/a
Mar	7.8 C (46.0 F)	-32.2 C (-26.0 F)	n/a	n/a
Apr	11.7 C (53.1 F)	-23.9 C (-11.0 F)	n/a	n/a
May	18.3 C (64.9 F)	-16.7 C (1.9 F)	n/a	n/a
Jun	26.1 C (79.0 F)	-0.6 C (30.9 F)	n/a	n/a
Jul	27.8 C (82.0 F)	0.0 C (32.0 F)	n/a	n/a
Aug	22.8 C (73.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	20.0 C (68.0 F)	-5.6 C (21.9 F)	10.6 C (51.1 F)	-0.6 C (30.9 F)
Oct	17.2 C (63.0 F)	-14.4 C (6.1 F)	12.8 C (55.0 F)	-7.2 C (19.0 F)
Nov	8.9 C (48.0 F)	-29.4 C (-20.9 F)	4.4 C (39.9 F)	-13.9 C (7.0 F)
Dec	6.7 C (44.1 F)	-33.9 C (-29.0 F)	6.1 C (43.0 F)	-25.0 C (-13.0 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Platinum still stand. 1947 holds the most, with 103.

Standing records at Platinum by the year they were set
Year set	Standing records
1939	19
1940	79
1941	47
1942	64
1943	17
1944	51
1945	63
1946	63
1947	103
1948	39
1949	59
1950	37
1951	48
1952	41
1953	69
1954	59
1955	49
1956	98
1957	83
1958	34
1959	62
1960	53
1961	40
1962	45
1963	81
1964	45
2025	16

Wettest Day of Each Month

Aug: 65.3 mm (2.6 in)

The wettest day on record for each calendar month at Platinum. The most was 65.3 mm (2.6 in) on 23 August 1959.

Record daily precipitation for each month at Platinum
Month	Record daily precipitation (mm)	Date
Jan	26.7 mm (1.1 in)	8 January 1962
Feb	45.7 mm (1.8 in)	5 February 1947
Mar	34.3 mm (1.4 in)	18 March 1954
Apr	18.0 mm (0.7 in)	8 April 1943
May	22.1 mm (0.9 in)	21 May 1964
Jun	26.4 mm (1.0 in)	30 June 1958
Jul	31.5 mm (1.2 in)	10 July 1961
Aug	65.3 mm (2.6 in)	23 August 1959
Sep	43.9 mm (1.7 in)	2 September 1962
Oct	40.6 mm (1.6 in)	21 October 1960
Nov	30.5 mm (1.2 in)	9 November 1960
Dec	48.3 mm (1.9 in)	9 December 1961

Period of Record Coverage

1939 to 2025

27 years of record at Platinum, 1939 to 2025. 10 years have data for under 90 percent of days and are left out of rankings: 1939, 1940, 1941, 1942, 1943, 1945, 1958, 1959 and others.

Days with data per year at Platinum
Year	Days with data	Share of year	Complete
1939	85	23%	No
1940	245	67%	No
1941	182	50%	No
1942	274	75%	No
1943	133	36%	No
1944	356	97%	Yes
1945	296	81%	No
1946	354	97%	Yes
1947	362	99%	Yes
1948	364	99%	Yes
1949	361	99%	Yes
1950	365	100%	Yes
1951	365	100%	Yes
1952	365	100%	Yes
1953	358	98%	Yes
1954	365	100%	Yes
1955	365	100%	Yes
1956	366	100%	Yes
1957	361	99%	Yes
1958	318	87%	No
1959	311	85%	No
1960	339	93%	Yes
1961	353	97%	Yes
1962	362	99%	Yes
1963	364	100%	Yes
1964	156	43%	No
2025	97	27%	No

Latest Records

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

Climate Trend

16 complete years, 1944 to 1963

One stripe for each of 16 complete years at Platinum, 1944 to 1963. Blue stripes are years cooler than the station's own mean of -0.3 C (31.5 F); red stripes are warmer. The coolest year was 1956, at -2.9 C (26.8 F), and the warmest was 1957, at 2.0 C (35.6 F). The strongest colour marks a difference of 2.7 C (4.9 F).

Annual mean temperature at Platinum as warming stripes, 1944 to 1963
Year	Annual mean temperature	Difference from the station mean
1944	0.8 C	+1.11 C
1946	-0.9 C	-0.65 C
1947	-0.1 C	+0.11 C
1948	-0.7 C	-0.46 C
1949	0.0 C	+0.26 C
1950	0.8 C	+1.03 C
1951	0.3 C	+0.53 C
1952	-0.5 C	-0.26 C
1953	0.0 C	+0.27 C
1954	-0.8 C	-0.56 C
1955	-0.7 C	-0.45 C
1956	-2.9 C	-2.61 C
1957	2.0 C	+2.28 C
1961	-1.1 C	-0.85 C
1962	-0.3 C	+0.00 C
1963	0.0 C	+0.24 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

1939 to 2026

Yearly extremes at Platinum: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	27.8 C (82.0 F)	1960	20.9 C (69.5 F)	28
Coldest night (TNn)	-36.7 C (-34.1 F)	1947	-32.2 C (-26.0 F)	28
Wettest day (Rx1day)	65.3 mm (2.6 in)	1959	25.5 mm (1.0 in)	28
Wettest five days (Rx5day)	203.7 mm (8.0 in)	1959	46.7 mm (1.8 in)	28
Longest dry spell (CDD)	61 days	2026	25 days	28

Hottest day (TXx)

The hottest day of the year at Platinum, 1939 to 2026. The record is 27.8 C (82.0 F) in 1960, marked on the chart; the median year is 20.9 C (69.5 F).

Hottest day (TXx) at Platinum by year
Year	Hottest day (TXx)
1939	5.0 C (41.0 F)
1940	20.0 C (68.0 F)
1941	22.2 C (72.0 F)
1942	20.0 C (68.0 F)
1943	18.3 C (64.9 F)
1944	21.1 C (70.0 F)
1945	21.7 C (71.1 F)
1946	21.1 C (70.0 F)
1947	21.1 C (70.0 F)
1948	19.4 C (66.9 F)
1949	18.3 C (64.9 F)
1950	22.8 C (73.0 F)
1951	22.2 C (72.0 F)
1952	19.4 C (66.9 F)
1953	26.1 C (79.0 F)
1954	20.6 C (69.1 F)
1955	21.1 C (70.0 F)
1956	25.0 C (77.0 F)
1957	21.7 C (71.1 F)
1958	18.9 C (66.0 F)
1959	20.0 C (68.0 F)
1960	27.8 C (82.0 F)
1961	20.6 C (69.1 F)
1962	21.1 C (70.0 F)
1963	22.2 C (72.0 F)
1964	18.9 C (66.0 F)
2025	12.8 C (55.0 F)
2026	20.6 C (69.1 F)

Coldest night (TNn)

The coldest night of the year at Platinum, 1939 to 2026. The record is -36.7 C (-34.1 F) in 1947, marked on the chart; the median year is -32.2 C (-26.0 F).

Coldest night (TNn) at Platinum by year
Year	Coldest night (TNn)
1939	-25.6 C (-14.1 F)
1940	-26.7 C (-16.1 F)
1941	-26.1 C (-15.0 F)
1942	-31.1 C (-24.0 F)
1943	-32.8 C (-27.0 F)
1944	-35.6 C (-32.1 F)
1945	-29.4 C (-20.9 F)
1946	-30.0 C (-22.0 F)
1947	-36.7 C (-34.1 F)
1948	-30.6 C (-23.1 F)
1949	-33.3 C (-27.9 F)
1950	-27.8 C (-18.0 F)
1951	-33.3 C (-27.9 F)
1952	-32.2 C (-26.0 F)
1953	-32.2 C (-26.0 F)
1954	-33.3 C (-27.9 F)
1955	-32.2 C (-26.0 F)
1956	-33.9 C (-29.0 F)
1957	-32.2 C (-26.0 F)
1958	-31.7 C (-25.1 F)
1959	-31.1 C (-24.0 F)
1960	-33.3 C (-27.9 F)
1961	-33.9 C (-29.0 F)
1962	-31.7 C (-25.1 F)
1963	-32.8 C (-27.0 F)
1964	-31.7 C (-25.1 F)
2025	-25.0 C (-13.0 F)
2026	-32.8 C (-27.0 F)

Wettest day (Rx1day)

The wettest day of the year at Platinum, 1939 to 2026. The record is 65.3 mm (2.6 in) in 1959, marked on the chart; the median year is 25.5 mm (1.0 in).

Wettest day (Rx1day) at Platinum by year
Year	Wettest day (Rx1day)
1939	8.1 mm (0.32 in)
1940	13.0 mm (0.5 in)
1941	11.4 mm (0.4 in)
1942	11.9 mm (0.5 in)
1943	18.0 mm (0.7 in)
1944	30.5 mm (1.2 in)
1945	30.0 mm (1.2 in)
1946	23.6 mm (0.9 in)
1947	45.7 mm (1.8 in)
1948	22.6 mm (0.9 in)
1949	21.8 mm (0.9 in)
1950	25.7 mm (1.0 in)
1951	21.1 mm (0.8 in)
1952	18.3 mm (0.7 in)
1953	33.3 mm (1.3 in)
1954	39.4 mm (1.6 in)
1955	33.8 mm (1.3 in)
1956	23.9 mm (0.9 in)
1957	33.0 mm (1.3 in)
1958	26.4 mm (1.0 in)
1959	65.3 mm (2.6 in)
1960	40.6 mm (1.6 in)
1961	48.3 mm (1.9 in)
1962	43.9 mm (1.7 in)
1963	25.4 mm (1.0 in)
1964	22.1 mm (0.9 in)
2025	6.4 mm (0.25 in)
2026	42.7 mm (1.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Platinum, 1939 to 2026. The record is 203.7 mm (8.0 in) in 1959, marked on the chart; the median year is 46.7 mm (1.8 in).

Wettest five days (Rx5day) at Platinum by year
Year	Wettest five days (Rx5day)
1939	9.6 mm (0.38 in)
1940	25.2 mm (1.0 in)
1941	30.2 mm (1.2 in)
1942	27.2 mm (1.1 in)
1943	30.4 mm (1.2 in)
1944	58.0 mm (2.3 in)
1945	57.5 mm (2.3 in)
1946	49.8 mm (2.0 in)
1947	58.9 mm (2.3 in)
1948	46.4 mm (1.8 in)
1949	53.1 mm (2.1 in)
1950	67.4 mm (2.7 in)
1951	44.7 mm (1.8 in)
1952	42.8 mm (1.7 in)
1953	66.1 mm (2.6 in)
1954	69.4 mm (2.7 in)
1955	63.3 mm (2.5 in)
1956	43.9 mm (1.7 in)
1957	44.3 mm (1.7 in)
1958	42.2 mm (1.7 in)
1959	203.7 mm (8.0 in)
1960	68.3 mm (2.7 in)
1961	81.3 mm (3.2 in)
1962	67.9 mm (2.7 in)
1963	47.0 mm (1.9 in)
1964	34.1 mm (1.3 in)
2025	6.4 mm (0.25 in)
2026	43.0 mm (1.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Platinum, 1939 to 2026. The record is 61 days in 2026, marked on the chart; the median year is 25 days.

Longest dry spell (CDD) at Platinum by year
Year	Longest dry spell (CDD)
1939	30 days
1940	30 days
1941	29 days
1942	22 days
1943	25 days
1944	31 days
1945	30 days
1946	23 days
1947	22 days
1948	30 days
1949	22 days
1950	24 days
1951	19 days
1952	32 days
1953	21 days
1954	35 days
1955	17 days
1956	34 days
1957	18 days
1958	21 days
1959	31 days
1960	49 days
1961	23 days
1962	25 days
1963	35 days
1964	14 days
2025	25 days
2026	61 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 Platinum standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Platinum 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).