Granite 4 WSW Weather Records (USC00353430)

Record envelope, standing records and threshold days for Granite 4 WSW (USC00353430), Oregon, United States, with 63 years of record.

Key Facts for Granite 4 WSW

Granite 4 WSW (USC00353430) is a weather station in Oregon, United States at 44.80 latitude and -118.50 longitude, 1,507 m (4,944 ft) above sea level.
The station reports from 1905 to 1967, 63 years of record.
1,464 records set at Granite 4 WSW still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Oregon, United States, 44.80 latitude, -118.50 longitude.
Elevation: 1,507 m (4,944 ft).
Period of record: 1905 to 1967, 63 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 Granite 4 WSW. 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 Granite 4 WSW, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	13.3 C (55.9 F)	-33.3 C (-27.9 F)	n/a	n/a
Feb	16.7 C (62.1 F)	-32.2 C (-26.0 F)	n/a	n/a
Mar	21.7 C (71.1 F)	-30.6 C (-23.1 F)	n/a	n/a
Apr	27.8 C (82.0 F)	-15.6 C (3.9 F)	n/a	n/a
May	29.4 C (84.9 F)	-9.4 C (15.1 F)	n/a	n/a
Jun	32.2 C (90.0 F)	-4.4 C (24.1 F)	n/a	n/a
Jul	35.6 C (96.1 F)	-2.8 C (27.0 F)	n/a	n/a
Aug	37.2 C (99.0 F)	-5.0 C (23.0 F)	n/a	n/a
Sep	35.0 C (95.0 F)	-10.6 C (12.9 F)	n/a	n/a
Oct	27.2 C (81.0 F)	-11.1 C (12.0 F)	n/a	n/a
Nov	21.1 C (70.0 F)	-27.8 C (-18.0 F)	n/a	n/a
Dec	10.6 C (51.1 F)	-33.3 C (-27.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Granite 4 WSW still stand. 1906 holds the most, with 122.

Standing records at Granite 4 WSW by the year they were set
Year set	Standing records
1905	3
1906	122
1907	103
1908	86
1909	80
1910	81
1911	41
1947	8
1948	58
1949	61
1950	59
1951	30
1952	43
1953	35
1954	51
1955	79
1956	66
1957	43
1958	34
1959	45
1960	50
1961	53
1962	55
1963	35
1964	44
1965	32
1966	39
1967	28

Wettest Day of Each Month

Oct: 50.5 mm (2.0 in)

The wettest day on record for each calendar month at Granite 4 WSW. The most was 50.5 mm (2.0 in) on 12 October 1962.

Record daily precipitation for each month at Granite 4 WSW
Month	Record daily precipitation (mm)	Date
Jan	45.0 mm (1.8 in)	28 January 1965
Feb	35.1 mm (1.4 in)	21 February 1948
Mar	35.6 mm (1.4 in)	19 March 1910
Apr	18.8 mm (0.7 in)	14 April 1952
May	35.6 mm (1.4 in)	28 May 1909
Jun	48.5 mm (1.9 in)	9 June 1958
Jul	22.4 mm (0.9 in)	20 July 1958
Aug	22.4 mm (0.9 in)	10 August 1963
Sep	31.2 mm (1.2 in)	26 September 1959
Oct	50.5 mm (2.0 in)	12 October 1962
Nov	38.1 mm (1.5 in)	23 November 1961
Dec	44.5 mm (1.8 in)	23 December 1964

Period of Record Coverage

1906 to 1967

27 years of record at Granite 4 WSW, 1906 to 1967. 5 years have data for under 90 percent of days and are left out of rankings: 1906, 1910, 1911, 1947, 1967.

Days with data per year at Granite 4 WSW
Year	Days with data	Share of year	Complete
1906	306	84%	No
1907	365	100%	Yes
1908	363	99%	Yes
1909	364	100%	Yes
1910	268	73%	No
1911	240	66%	No
1947	60	16%	No
1948	360	98%	Yes
1949	331	91%	Yes
1950	364	100%	Yes
1951	361	99%	Yes
1952	364	99%	Yes
1953	363	99%	Yes
1954	365	100%	Yes
1955	363	99%	Yes
1956	365	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	363	99%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	289	79%	No

Latest Records

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

Climate Trend

21 complete years, 1907 to 1966

One stripe for each of 21 complete years at Granite 4 WSW, 1907 to 1966. Blue stripes are years cooler than the station's own mean of 4.3 C (39.7 F); red stripes are warmer. The coolest year was 1948, at 3.0 C (37.3 F), and the warmest was 1907, at 5.8 C (42.4 F). The strongest colour marks a difference of 1.6 C (2.9 F).

Annual mean temperature at Granite 4 WSW as warming stripes, 1907 to 1966
Year	Annual mean temperature	Difference from the station mean
1907	5.8 C	+1.54 C
1908	5.5 C	+1.24 C
1909	5.0 C	+0.69 C
1948	3.0 C	-1.31 C
1950	3.7 C	-0.58 C
1951	3.6 C	-0.65 C
1952	3.9 C	-0.39 C
1953	4.6 C	+0.30 C
1954	4.1 C	-0.15 C
1955	3.1 C	-1.21 C
1956	4.0 C	-0.30 C
1957	4.0 C	-0.29 C
1958	5.3 C	+0.99 C
1959	4.2 C	-0.06 C
1960	4.1 C	-0.14 C
1961	4.9 C	+0.64 C
1962	4.1 C	-0.13 C
1963	4.7 C	+0.41 C
1964	3.5 C	-0.76 C
1965	4.2 C	-0.09 C
1966	4.4 C	+0.15 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

1905 to 1967

Yearly extremes at Granite 4 WSW: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.2 C (99.0 F)	1961	33.3 C (91.9 F)	27
Coldest night (TNn)	-33.3 C (-27.9 F)	1950	-28.0 C (-18.5 F)	28
Wettest day (Rx1day)	50.5 mm (2.0 in)	1962	29.9 mm (1.2 in)	28
Wettest five days (Rx5day)	139.5 mm (5.5 in)	1964	54.0 mm (2.1 in)	28
Longest dry spell (CDD)	62 days	1911	35 days	28

Hottest day (TXx)

The hottest day of the year at Granite 4 WSW, 1905 to 1967. The record is 37.2 C (99.0 F) in 1961, marked on the chart; the median year is 33.3 C (91.9 F).

Hottest day (TXx) at Granite 4 WSW by year
Year	Hottest day (TXx)
1905	n/a
1906	36.7 C (98.1 F)
1907	33.9 C (93.0 F)
1908	35.0 C (95.0 F)
1909	33.9 C (93.0 F)
1910	36.1 C (97.0 F)
1911	35.0 C (95.0 F)
1947	11.7 C (53.1 F)
1948	30.6 C (87.1 F)
1949	33.9 C (93.0 F)
1950	33.9 C (93.0 F)
1951	33.3 C (91.9 F)
1952	31.7 C (89.1 F)
1953	33.3 C (91.9 F)
1954	32.2 C (90.0 F)
1955	35.0 C (95.0 F)
1956	32.8 C (91.0 F)
1957	30.6 C (87.1 F)
1958	32.2 C (90.0 F)
1959	34.4 C (93.9 F)
1960	35.6 C (96.1 F)
1961	37.2 C (99.0 F)
1962	32.2 C (90.0 F)
1963	30.0 C (86.0 F)
1964	31.1 C (88.0 F)
1965	30.6 C (87.1 F)
1966	32.8 C (91.0 F)
1967	34.4 C (93.9 F)

Coldest night (TNn)

The coldest night of the year at Granite 4 WSW, 1905 to 1967. The record is -33.3 C (-27.9 F) in 1950, marked on the chart; the median year is -28.0 C (-18.5 F).

Coldest night (TNn) at Granite 4 WSW by year
Year	Coldest night (TNn)
1905	-23.3 C (-9.9 F)
1906	-30.6 C (-23.1 F)
1907	-25.6 C (-14.1 F)
1908	-29.4 C (-20.9 F)
1909	-28.9 C (-20.0 F)
1910	-28.9 C (-20.0 F)
1911	-27.2 C (-17.0 F)
1947	-21.1 C (-6.0 F)
1948	-27.2 C (-17.0 F)
1949	-31.7 C (-25.1 F)
1950	-33.3 C (-27.9 F)
1951	-33.3 C (-27.9 F)
1952	-22.8 C (-9.0 F)
1953	-18.9 C (-2.0 F)
1954	-26.7 C (-16.1 F)
1955	-27.8 C (-18.0 F)
1956	-29.4 C (-20.9 F)
1957	-27.8 C (-18.0 F)
1958	-21.7 C (-7.1 F)
1959	-28.3 C (-18.9 F)
1960	-28.3 C (-18.9 F)
1961	-28.3 C (-18.9 F)
1962	-31.1 C (-24.0 F)
1963	-30.6 C (-23.1 F)
1964	-33.3 C (-27.9 F)
1965	-25.0 C (-13.0 F)
1966	-22.8 C (-9.0 F)
1967	-19.4 C (-2.9 F)

Wettest day (Rx1day)

The wettest day of the year at Granite 4 WSW, 1905 to 1967. The record is 50.5 mm (2.0 in) in 1962, marked on the chart; the median year is 29.9 mm (1.2 in).

Wettest day (Rx1day) at Granite 4 WSW by year
Year	Wettest day (Rx1day)
1905	30.5 mm (1.2 in)
1906	33.3 mm (1.3 in)
1907	10.7 mm (0.4 in)
1908	21.1 mm (0.8 in)
1909	35.6 mm (1.4 in)
1910	35.6 mm (1.4 in)
1911	27.9 mm (1.1 in)
1947	9.9 mm (0.39 in)
1948	35.1 mm (1.4 in)
1949	30.2 mm (1.2 in)
1950	26.2 mm (1.0 in)
1951	18.5 mm (0.7 in)
1952	28.2 mm (1.1 in)
1953	27.9 mm (1.1 in)
1954	29.2 mm (1.1 in)
1955	24.4 mm (1.0 in)
1956	29.7 mm (1.2 in)
1957	39.1 mm (1.5 in)
1958	48.5 mm (1.9 in)
1959	31.2 mm (1.2 in)
1960	26.2 mm (1.0 in)
1961	38.1 mm (1.5 in)
1962	50.5 mm (2.0 in)
1963	25.9 mm (1.0 in)
1964	44.5 mm (1.8 in)
1965	45.0 mm (1.8 in)
1966	25.4 mm (1.0 in)
1967	30.0 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Granite 4 WSW, 1905 to 1967. The record is 139.5 mm (5.5 in) in 1964, marked on the chart; the median year is 54.0 mm (2.1 in).

Wettest five days (Rx5day) at Granite 4 WSW by year
Year	Wettest five days (Rx5day)
1905	39.1 mm (1.5 in)
1906	66.1 mm (2.6 in)
1907	24.9 mm (1.0 in)
1908	30.3 mm (1.2 in)
1909	64.7 mm (2.5 in)
1910	52.3 mm (2.1 in)
1911	37.6 mm (1.5 in)
1947	31.7 mm (1.2 in)
1948	65.1 mm (2.6 in)
1949	55.4 mm (2.2 in)
1950	58.7 mm (2.3 in)
1951	63.7 mm (2.5 in)
1952	45.6 mm (1.8 in)
1953	63.5 mm (2.5 in)
1954	49.5 mm (1.9 in)
1955	72.4 mm (2.9 in)
1956	47.2 mm (1.9 in)
1957	59.7 mm (2.4 in)
1958	63.0 mm (2.5 in)
1959	46.9 mm (1.8 in)
1960	40.0 mm (1.6 in)
1961	73.9 mm (2.9 in)
1962	106.1 mm (4.2 in)
1963	49.4 mm (1.9 in)
1964	139.5 mm (5.5 in)
1965	96.9 mm (3.8 in)
1966	52.6 mm (2.1 in)
1967	49.8 mm (2.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Granite 4 WSW, 1905 to 1967. The record is 62 days in 1911, marked on the chart; the median year is 35 days.

Longest dry spell (CDD) at Granite 4 WSW by year
Year	Longest dry spell (CDD)
1905	57 days
1906	26 days
1907	36 days
1908	20 days
1909	38 days
1910	57 days
1911	62 days
1947	8 days
1948	22 days
1949	27 days
1950	43 days
1951	45 days
1952	62 days
1953	34 days
1954	28 days
1955	51 days
1956	27 days
1957	31 days
1958	24 days
1959	27 days
1960	43 days
1961	39 days
1962	49 days
1963	26 days
1964	17 days
1965	24 days
1966	45 days
1967	41 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 Granite 4 WSW falls on 29 June and the median first autumn frost on 5 July, which leaves a median of 7 days between them.

Frost dates and growing season at Granite 4 WSW
Measure	Median, all years	Earliest period	Recent period (1907 to 1966)	Recent against earliest	Fitted trend
Last spring frost	29 June	n/a	29 June	n/a	n/a
First autumn frost	5 July	n/a	5 July	n/a	n/a
Growing days	7 days	n/a	7 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 Granite 4 WSW standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Granite 4 WSW 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 2026-10-15 (15 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).