Record envelope, standing records and threshold days for Wolf Creek Pass 4 W (USC00059183), Colorado, United States, with 33 years of record.
Key Facts for Wolf Creek Pass 4 W
Wolf Creek Pass 4 W (USC00059183) is a weather station in Colorado, United States at 37.48 latitude and -106.87 longitude, 2,876 m (9,436 ft) above sea level.
The station reports from 1939 to 1971, 33 years of record.
1,464 records set at Wolf Creek Pass 4 W still stand.
Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
Wolf Creek Pass 4 W set a daily record precipitation of 8.9 mm (0.35 in) on 28 August 1971.
About the Station
Location: Colorado, United States, 37.48 latitude, -106.87 longitude.
Elevation: 2,876 m (9,436 ft).
Period of record: 1939 to 1971, 33 years.
Eligible elements: prcp, snow.
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 Wolf Creek Pass 4 W. 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 Wolf Creek Pass 4 W, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
15.0 C (59.0 F)
-26.7 C (-16.1 F)
n/a
n/a
Feb
13.3 C (55.9 F)
-28.3 C (-18.9 F)
n/a
n/a
Mar
16.7 C (62.1 F)
-22.2 C (-8.0 F)
n/a
n/a
Apr
19.4 C (66.9 F)
-21.7 C (-7.1 F)
n/a
n/a
May
22.8 C (73.0 F)
-11.1 C (12.0 F)
n/a
n/a
Jun
31.1 C (88.0 F)
-4.4 C (24.1 F)
n/a
n/a
Jul
31.1 C (88.0 F)
0.0 C (32.0 F)
n/a
n/a
Aug
28.9 C (84.0 F)
-3.3 C (26.1 F)
n/a
n/a
Sep
26.7 C (80.1 F)
-6.7 C (19.9 F)
n/a
n/a
Oct
23.9 C (75.0 F)
-14.4 C (6.1 F)
n/a
n/a
Nov
19.4 C (66.9 F)
-22.2 C (-8.0 F)
n/a
n/a
Dec
17.2 C (63.0 F)
-25.6 C (-14.1 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Wolf Creek Pass 4 W still stand. 1953 holds the most, with 97.
Standing records at Wolf Creek Pass 4 W by the year they were set
Year set
Standing records
1939
46
1940
96
1941
86
1942
85
1943
95
1944
73
1945
76
1946
76
1947
84
1948
87
1949
88
1950
87
1951
68
1952
90
1953
97
1954
89
1955
86
1956
51
1957
4
Wettest Day of Each Month
Dec: 124.5 mm (4.9 in)
The wettest day on record for each calendar month at Wolf Creek Pass 4 W. The most was 124.5 mm (4.9 in) on 30 December 1951.
Record daily precipitation for each month at Wolf Creek Pass 4 W
Month
Record daily precipitation (mm)
Date
Jan
96.5 mm (3.8 in)
23 January 1943
Feb
67.8 mm (2.7 in)
10 February 1948
Mar
60.5 mm (2.4 in)
14 March 1944
Apr
61.7 mm (2.4 in)
7 April 1946
May
55.4 mm (2.2 in)
8 May 1955
Jun
36.8 mm (1.4 in)
3 June 1952
Jul
46.2 mm (1.8 in)
17 July 1967
Aug
39.4 mm (1.6 in)
22 August 1947
Sep
81.3 mm (3.2 in)
6 September 1970
Oct
69.9 mm (2.8 in)
2 October 1959
Nov
68.6 mm (2.7 in)
16 November 1969
Dec
124.5 mm (4.9 in)
30 December 1951
Period of Record Coverage
1939 to 1957
Complete yearUnder 90 percent of days
19 years of record at Wolf Creek Pass 4 W, 1939 to 1957. 6 years have data for under 90 percent of days and are left out of rankings: 1939, 1941, 1944, 1951, 1956, 1957.
Cooler than the station meanWarmer than the station mean
One stripe for each of 13 complete years at Wolf Creek Pass 4 W, 1940 to 1955. Blue stripes are years cooler than the station's own mean of 3.8 C (38.9 F); red stripes are warmer. The coolest year was 1941, at 2.7 C (36.8 F), and the warmest was 1954, at 5.4 C (41.6 F). The strongest colour marks a difference of 1.6 C (2.9 F).
Annual mean temperature at Wolf Creek Pass 4 W as warming stripes, 1940 to 1955
Year
Annual mean temperature
Difference from the station mean
1940
4.4 C
+0.54 C
1941
2.7 C
-1.13 C
1942
4.3 C
+0.51 C
1943
4.6 C
+0.82 C
1945
3.1 C
-0.75 C
1946
3.7 C
-0.12 C
1948
3.1 C
-0.68 C
1949
3.2 C
-0.62 C
1950
4.3 C
+0.48 C
1952
3.7 C
-0.15 C
1953
4.1 C
+0.24 C
1954
5.4 C
+1.53 C
1955
3.1 C
-0.68 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 1971
Yearly extremes at Wolf Creek Pass 4 W: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
31.1 C (88.0 F)
1953
27.2 C (81.0 F)
19
Coldest night (TNn)
-28.3 C (-18.9 F)
1951
-23.9 C (-11.0 F)
19
Wettest day (Rx1day)
124.5 mm (4.9 in)
1951
57.2 mm (2.3 in)
33
Wettest five days (Rx5day)
238.8 mm (9.4 in)
1943
116.8 mm (4.6 in)
33
Longest dry spell (CDD)
65 days
1956
29 days
33
Hottest day (TXx)
The hottest day of the year at Wolf Creek Pass 4 W, 1939 to 1971. The record is 31.1 C (88.0 F) in 1953, marked on the chart; the median year is 27.2 C (81.0 F).
Hottest day (TXx) at Wolf Creek Pass 4 W by year
Year
Hottest day (TXx)
1939
26.7 C (80.1 F)
1940
28.3 C (82.9 F)
1941
25.0 C (77.0 F)
1942
26.7 C (80.1 F)
1943
27.8 C (82.0 F)
1944
28.9 C (84.0 F)
1945
27.2 C (81.0 F)
1946
27.8 C (82.0 F)
1947
27.8 C (82.0 F)
1948
26.7 C (80.1 F)
1949
25.0 C (77.0 F)
1950
25.6 C (78.1 F)
1951
27.8 C (82.0 F)
1952
28.9 C (84.0 F)
1953
31.1 C (88.0 F)
1954
31.1 C (88.0 F)
1955
26.1 C (79.0 F)
1956
26.7 C (80.1 F)
1957
7.2 C (45.0 F)
1958
n/a
1959
n/a
1960
n/a
1961
n/a
1962
n/a
1963
n/a
1964
n/a
1965
n/a
1966
n/a
1967
n/a
1968
n/a
1969
n/a
1970
n/a
1971
n/a
Coldest night (TNn)
The coldest night of the year at Wolf Creek Pass 4 W, 1939 to 1971. The record is -28.3 C (-18.9 F) in 1951, marked on the chart; the median year is -23.9 C (-11.0 F).
Coldest night (TNn) at Wolf Creek Pass 4 W by year
Year
Coldest night (TNn)
1939
-20.6 C (-5.1 F)
1940
-22.2 C (-8.0 F)
1941
-18.9 C (-2.0 F)
1942
-26.1 C (-15.0 F)
1943
-26.1 C (-15.0 F)
1944
-26.1 C (-15.0 F)
1945
-25.6 C (-14.1 F)
1946
-24.4 C (-11.9 F)
1947
-23.3 C (-9.9 F)
1948
-21.1 C (-6.0 F)
1949
-26.7 C (-16.1 F)
1950
-24.4 C (-11.9 F)
1951
-28.3 C (-18.9 F)
1952
-22.2 C (-8.0 F)
1953
-23.9 C (-11.0 F)
1954
-18.9 C (-2.0 F)
1955
-26.7 C (-16.1 F)
1956
-20.0 C (-4.0 F)
1957
-18.3 C (-0.9 F)
1958
n/a
1959
n/a
1960
n/a
1961
n/a
1962
n/a
1963
n/a
1964
n/a
1965
n/a
1966
n/a
1967
n/a
1968
n/a
1969
n/a
1970
n/a
1971
n/a
Wettest day (Rx1day)
The wettest day of the year at Wolf Creek Pass 4 W, 1939 to 1971. The record is 124.5 mm (4.9 in) in 1951, marked on the chart; the median year is 57.2 mm (2.3 in).
Wettest day (Rx1day) at Wolf Creek Pass 4 W by year
Year
Wettest day (Rx1day)
1939
16.5 mm (0.6 in)
1940
59.4 mm (2.3 in)
1941
42.9 mm (1.7 in)
1942
40.6 mm (1.6 in)
1943
96.5 mm (3.8 in)
1944
67.1 mm (2.6 in)
1945
57.9 mm (2.3 in)
1946
61.7 mm (2.4 in)
1947
39.4 mm (1.6 in)
1948
67.8 mm (2.7 in)
1949
57.2 mm (2.3 in)
1950
37.6 mm (1.5 in)
1951
124.5 mm (4.9 in)
1952
53.3 mm (2.1 in)
1953
45.7 mm (1.8 in)
1954
53.3 mm (2.1 in)
1955
63.2 mm (2.5 in)
1956
81.3 mm (3.2 in)
1957
70.4 mm (2.8 in)
1958
52.1 mm (2.1 in)
1959
69.9 mm (2.8 in)
1960
42.7 mm (1.7 in)
1961
59.7 mm (2.4 in)
1962
48.0 mm (1.9 in)
1963
31.0 mm (1.2 in)
1964
44.7 mm (1.8 in)
1965
65.3 mm (2.6 in)
1966
76.2 mm (3.0 in)
1967
49.5 mm (1.9 in)
1968
29.5 mm (1.2 in)
1969
68.6 mm (2.7 in)
1970
81.3 mm (3.2 in)
1971
21.6 mm (0.9 in)
Wettest five days (Rx5day)
The wettest five days of the year at Wolf Creek Pass 4 W, 1939 to 1971. The record is 238.8 mm (9.4 in) in 1943, marked on the chart; the median year is 116.8 mm (4.6 in).
Wettest five days (Rx5day) at Wolf Creek Pass 4 W by year
Year
Wettest five days (Rx5day)
1939
54.5 mm (2.1 in)
1940
116.8 mm (4.6 in)
1941
93.4 mm (3.7 in)
1942
99.1 mm (3.9 in)
1943
238.8 mm (9.4 in)
1944
115.1 mm (4.5 in)
1945
142.5 mm (5.6 in)
1946
114.3 mm (4.5 in)
1947
105.9 mm (4.2 in)
1948
138.0 mm (5.4 in)
1949
95.6 mm (3.8 in)
1950
72.4 mm (2.9 in)
1951
224.3 mm (8.8 in)
1952
236.5 mm (9.3 in)
1953
87.6 mm (3.4 in)
1954
125.0 mm (4.9 in)
1955
129.2 mm (5.1 in)
1956
194.1 mm (7.6 in)
1957
156.5 mm (6.2 in)
1958
80.0 mm (3.1 in)
1959
211.9 mm (8.3 in)
1960
96.1 mm (3.8 in)
1961
164.7 mm (6.5 in)
1962
101.0 mm (4.0 in)
1963
78.5 mm (3.1 in)
1964
128.3 mm (5.1 in)
1965
132.4 mm (5.2 in)
1966
196.9 mm (7.8 in)
1967
116.8 mm (4.6 in)
1968
72.7 mm (2.9 in)
1969
91.4 mm (3.6 in)
1970
131.0 mm (5.2 in)
1971
59.7 mm (2.4 in)
Longest dry spell (CDD)
The longest dry spell of the year at Wolf Creek Pass 4 W, 1939 to 1971. The record is 65 days in 1956, marked on the chart; the median year is 29 days.
Longest dry spell (CDD) at Wolf Creek Pass 4 W by year
Year
Longest dry spell (CDD)
1939
43 days
1940
29 days
1941
18 days
1942
30 days
1943
23 days
1944
20 days
1945
24 days
1946
20 days
1947
22 days
1948
27 days
1949
27 days
1950
29 days
1951
58 days
1952
40 days
1953
23 days
1954
20 days
1955
37 days
1956
65 days
1957
41 days
1958
41 days
1959
35 days
1960
23 days
1961
24 days
1962
26 days
1963
26 days
1964
41 days
1965
28 days
1966
42 days
1967
41 days
1968
14 days
1969
33 days
1970
35 days
1971
32 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 Wolf Creek Pass 4 W standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Wolf Creek Pass 4 W 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.