Record envelope, standing records and threshold days for Cape Romanzof (USC00501318), Alaska, United States, with 33 years of record.
Key Facts for Cape Romanzof
Cape Romanzof (USC00501318) is a weather station in Alaska, United States at 61.77 latitude and -166.05 longitude, 132 m (434 ft) above sea level.
The station reports from 1953 to 1985, 33 years of record.
1,464 records set at Cape Romanzof still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Cape Romanzof set a daily record low maximum temperature of -25.0 C (-13.0 F) on 20 February 1985.
About the Station
Location: Alaska, United States, 61.77 latitude, -166.05 longitude.
Elevation: 132 m (434 ft).
Period of record: 1953 to 1985, 33 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 Cape Romanzof. 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 Cape Romanzof, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
9.4 C (48.9 F)
-30.6 C (-23.1 F)
n/a
n/a
Feb
8.9 C (48.0 F)
-32.2 C (-26.0 F)
n/a
n/a
Mar
7.8 C (46.0 F)
-32.2 C (-26.0 F)
n/a
n/a
Apr
15.6 C (60.1 F)
-26.1 C (-15.0 F)
n/a
n/a
May
21.7 C (71.1 F)
-16.1 C (3.0 F)
n/a
n/a
Jun
22.2 C (72.0 F)
-3.9 C (25.0 F)
n/a
n/a
Jul
26.1 C (79.0 F)
-0.6 C (30.9 F)
n/a
n/a
Aug
22.8 C (73.0 F)
0.6 C (33.1 F)
n/a
n/a
Sep
17.2 C (63.0 F)
-5.0 C (23.0 F)
n/a
n/a
Oct
15.6 C (60.1 F)
-15.6 C (3.9 F)
n/a
n/a
Nov
7.2 C (45.0 F)
-26.1 C (-15.0 F)
n/a
n/a
Dec
8.9 C (48.0 F)
-30.6 C (-23.1 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Cape Romanzof still stand. 1963 holds the most, with 67.
Standing records at Cape Romanzof by the year they were set
Year set
Standing records
1953
39
1954
66
1955
30
1956
66
1957
55
1958
29
1959
41
1960
65
1961
44
1962
55
1963
67
1964
45
1965
61
1966
42
1967
29
1968
18
1969
54
1970
40
1971
44
1972
43
1973
40
1974
64
1975
58
1976
57
1977
37
1978
33
1979
37
1980
36
1981
43
1982
30
1983
46
1984
48
1985
2
Wettest Day of Each Month
Aug: 70.4 mm (2.8 in)
The wettest day on record for each calendar month at Cape Romanzof. The most was 70.4 mm (2.8 in) on 19 August 1956.
Record daily precipitation for each month at Cape Romanzof
Month
Record daily precipitation (mm)
Date
Jan
25.1 mm (1.0 in)
1 January 1973
Feb
29.2 mm (1.1 in)
14 February 1956
Mar
30.5 mm (1.2 in)
6 March 1954
Apr
22.9 mm (0.9 in)
30 April 1956
May
31.5 mm (1.2 in)
26 May 1982
Jun
47.8 mm (1.9 in)
30 June 1961
Jul
49.5 mm (1.9 in)
27 July 1974
Aug
70.4 mm (2.8 in)
19 August 1956
Sep
53.1 mm (2.1 in)
21 September 1964
Oct
35.6 mm (1.4 in)
15 October 1972
Nov
50.0 mm (2.0 in)
13 November 1959
Dec
33.0 mm (1.3 in)
28 December 1967
Period of Record Coverage
1953 to 1985
Complete yearUnder 90 percent of days
33 years of record at Cape Romanzof, 1953 to 1985. 7 years have data for under 90 percent of days and are left out of rankings: 1953, 1958, 1959, 1975, 1977, 1984, 1985.
Cooler than the station meanWarmer than the station mean
One stripe for each of 21 complete years at Cape Romanzof, 1954 to 1983. Blue stripes are years cooler than the station's own mean of -1.8 C (28.8 F); red stripes are warmer. The coolest year was 1956, at -3.4 C (26.0 F), and the warmest was 1967, at 0.4 C (32.7 F). The strongest colour marks a difference of 2.2 C (4.0 F).
Annual mean temperature at Cape Romanzof as warming stripes, 1954 to 1983
Year
Annual mean temperature
Difference from the station mean
1954
-2.0 C
-0.20 C
1956
-3.4 C
-1.59 C
1957
-0.3 C
+1.48 C
1960
-1.6 C
+0.13 C
1961
-3.2 C
-1.47 C
1962
-1.5 C
+0.28 C
1963
-1.1 C
+0.65 C
1964
-3.2 C
-1.40 C
1965
-2.6 C
-0.84 C
1966
-2.1 C
-0.32 C
1967
0.4 C
+2.14 C
1969
-0.5 C
+1.26 C
1970
-1.7 C
+0.05 C
1971
-2.9 C
-1.14 C
1973
-2.3 C
-0.51 C
1974
-2.7 C
-0.92 C
1976
-3.4 C
-1.59 C
1980
-1.3 C
+0.51 C
1981
-0.2 C
+1.60 C
1982
-1.4 C
+0.35 C
1983
-0.3 C
+1.51 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
1953 to 1985
Yearly extremes at Cape Romanzof: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
26.1 C (79.0 F)
1966
20.6 C (69.1 F)
33
Coldest night (TNn)
-32.2 C (-26.0 F)
1966
-28.9 C (-20.0 F)
33
Wettest day (Rx1day)
70.4 mm (2.8 in)
1956
35.1 mm (1.4 in)
33
Wettest five days (Rx5day)
118.1 mm (4.6 in)
1964
80.7 mm (3.2 in)
32
Longest dry spell (CDD)
99 days
1957
29 days
33
Hottest day (TXx)
The hottest day of the year at Cape Romanzof, 1953 to 1985. The record is 26.1 C (79.0 F) in 1966, marked on the chart; the median year is 20.6 C (69.1 F).
Hottest day (TXx) at Cape Romanzof by year
Year
Hottest day (TXx)
1953
24.4 C (75.9 F)
1954
18.9 C (66.0 F)
1955
18.9 C (66.0 F)
1956
21.7 C (71.1 F)
1957
22.2 C (72.0 F)
1958
14.4 C (57.9 F)
1959
16.1 C (61.0 F)
1960
21.1 C (70.0 F)
1961
17.8 C (64.0 F)
1962
25.6 C (78.1 F)
1963
20.0 C (68.0 F)
1964
18.3 C (64.9 F)
1965
22.2 C (72.0 F)
1966
26.1 C (79.0 F)
1967
18.9 C (66.0 F)
1968
22.2 C (72.0 F)
1969
20.0 C (68.0 F)
1970
18.3 C (64.9 F)
1971
23.9 C (75.0 F)
1972
23.9 C (75.0 F)
1973
18.3 C (64.9 F)
1974
22.8 C (73.0 F)
1975
13.3 C (55.9 F)
1976
22.2 C (72.0 F)
1977
20.6 C (69.1 F)
1978
18.9 C (66.0 F)
1979
20.6 C (69.1 F)
1980
21.1 C (70.0 F)
1981
21.1 C (70.0 F)
1982
20.6 C (69.1 F)
1983
17.8 C (64.0 F)
1984
21.1 C (70.0 F)
1985
2.2 C (36.0 F)
Coldest night (TNn)
The coldest night of the year at Cape Romanzof, 1953 to 1985. The record is -32.2 C (-26.0 F) in 1966, marked on the chart; the median year is -28.9 C (-20.0 F).
Coldest night (TNn) at Cape Romanzof by year
Year
Coldest night (TNn)
1953
-22.2 C (-8.0 F)
1954
-30.6 C (-23.1 F)
1955
-28.9 C (-20.0 F)
1956
-30.0 C (-22.0 F)
1957
-28.9 C (-20.0 F)
1958
-27.8 C (-18.0 F)
1959
-28.3 C (-18.9 F)
1960
-30.6 C (-23.1 F)
1961
-30.0 C (-22.0 F)
1962
-28.9 C (-20.0 F)
1963
-26.1 C (-15.0 F)
1964
-31.7 C (-25.1 F)
1965
-28.3 C (-18.9 F)
1966
-32.2 C (-26.0 F)
1967
-21.7 C (-7.1 F)
1968
-25.0 C (-13.0 F)
1969
-26.7 C (-16.1 F)
1970
-31.7 C (-25.1 F)
1971
-31.7 C (-25.1 F)
1972
-25.0 C (-13.0 F)
1973
-30.0 C (-22.0 F)
1974
-31.1 C (-24.0 F)
1975
-30.6 C (-23.1 F)
1976
-28.9 C (-20.0 F)
1977
-32.2 C (-26.0 F)
1978
-32.2 C (-26.0 F)
1979
-27.2 C (-17.0 F)
1980
-30.6 C (-23.1 F)
1981
-25.0 C (-13.0 F)
1982
-28.3 C (-18.9 F)
1983
-24.4 C (-11.9 F)
1984
-31.1 C (-24.0 F)
1985
-26.7 C (-16.1 F)
Wettest day (Rx1day)
The wettest day of the year at Cape Romanzof, 1953 to 1985. The record is 70.4 mm (2.8 in) in 1956, marked on the chart; the median year is 35.1 mm (1.4 in).
Wettest day (Rx1day) at Cape Romanzof by year
Year
Wettest day (Rx1day)
1953
19.3 mm (0.8 in)
1954
33.0 mm (1.3 in)
1955
31.2 mm (1.2 in)
1956
70.4 mm (2.8 in)
1957
45.0 mm (1.8 in)
1958
54.4 mm (2.1 in)
1959
50.0 mm (2.0 in)
1960
25.9 mm (1.0 in)
1961
47.8 mm (1.9 in)
1962
35.6 mm (1.4 in)
1963
50.5 mm (2.0 in)
1964
53.1 mm (2.1 in)
1965
33.8 mm (1.3 in)
1966
41.4 mm (1.6 in)
1967
34.5 mm (1.4 in)
1968
24.4 mm (1.0 in)
1969
33.8 mm (1.3 in)
1970
62.5 mm (2.5 in)
1971
22.1 mm (0.9 in)
1972
35.6 mm (1.4 in)
1973
41.7 mm (1.6 in)
1974
49.5 mm (1.9 in)
1975
18.8 mm (0.7 in)
1976
18.3 mm (0.7 in)
1977
21.8 mm (0.9 in)
1978
31.5 mm (1.2 in)
1979
27.9 mm (1.1 in)
1980
33.8 mm (1.3 in)
1981
50.3 mm (2.0 in)
1982
35.1 mm (1.4 in)
1983
41.9 mm (1.6 in)
1984
37.6 mm (1.5 in)
1985
0.0 mm (0.00 in)
Wettest five days (Rx5day)
The wettest five days of the year at Cape Romanzof, 1953 to 1985. The record is 118.1 mm (4.6 in) in 1964, marked on the chart; the median year is 80.7 mm (3.2 in).
Wettest five days (Rx5day) at Cape Romanzof by year
Year
Wettest five days (Rx5day)
1953
52.4 mm (2.1 in)
1954
64.7 mm (2.5 in)
1955
64.0 mm (2.5 in)
1956
98.2 mm (3.9 in)
1957
96.8 mm (3.8 in)
1958
113.6 mm (4.5 in)
1959
106.7 mm (4.2 in)
1960
50.5 mm (2.0 in)
1961
86.4 mm (3.4 in)
1962
69.3 mm (2.7 in)
1963
82.5 mm (3.2 in)
1964
118.1 mm (4.6 in)
1965
80.4 mm (3.2 in)
1966
81.0 mm (3.2 in)
1967
97.6 mm (3.8 in)
1968
41.9 mm (1.6 in)
1969
84.4 mm (3.3 in)
1970
85.9 mm (3.4 in)
1971
50.9 mm (2.0 in)
1972
83.9 mm (3.3 in)
1973
102.9 mm (4.1 in)
1974
96.4 mm (3.8 in)
1975
22.6 mm (0.9 in)
1976
32.8 mm (1.3 in)
1977
43.9 mm (1.7 in)
1978
71.9 mm (2.8 in)
1979
87.8 mm (3.5 in)
1980
60.3 mm (2.4 in)
1981
73.3 mm (2.9 in)
1982
113.1 mm (4.5 in)
1983
65.7 mm (2.6 in)
1984
79.6 mm (3.1 in)
1985
n/a
Longest dry spell (CDD)
The longest dry spell of the year at Cape Romanzof, 1953 to 1985. The record is 99 days in 1957, marked on the chart; the median year is 29 days.
Longest dry spell (CDD) at Cape Romanzof by year
Year
Longest dry spell (CDD)
1953
22 days
1954
35 days
1955
47 days
1956
44 days
1957
99 days
1958
30 days
1959
15 days
1960
24 days
1961
29 days
1962
23 days
1963
19 days
1964
22 days
1965
25 days
1966
32 days
1967
35 days
1968
44 days
1969
37 days
1970
39 days
1971
17 days
1972
32 days
1973
37 days
1974
18 days
1975
22 days
1976
29 days
1977
23 days
1978
19 days
1979
44 days
1980
27 days
1981
25 days
1982
24 days
1983
38 days
1984
52 days
1985
3 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 Cape Romanzof falls on 2 June and the median first autumn frost on 27 September, which leaves a median of 118 days between them.
Frost dates and growing season at Cape Romanzof
Measure
Median, all years
Earliest period
Recent period (1954 to 1983)
Recent against earliest
Fitted trend
Last spring frost
2 June
n/a
2 June
n/a
n/a
First autumn frost
27 September
n/a
27 September
n/a
n/a
Growing days
118 days
n/a
118 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 Cape Romanzof standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Cape Romanzof 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.