Record envelope, standing records and threshold days for Nine Mile Creek (USC00486680), Wyoming, United States, with 40 years of record.
Key Facts for Nine Mile Creek
Nine Mile Creek (USC00486680) is a weather station in Wyoming, United States at 43.82 latitude and -106.48 longitude, 1,485 m (4,872 ft) above sea level.
The station reports from 1921 to 1960, 40 years of record.
1,464 records set at Nine Mile Creek still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Nine Mile Creek set a daily record high minimum temperature of 3.3 C (37.9 F) on 25 November 1960.
About the Station
Location: Wyoming, United States, 43.82 latitude, -106.48 longitude.
Elevation: 1,485 m (4,872 ft).
Period of record: 1921 to 1960, 40 years.
Eligible elements: tmax, tmin, prcp.
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 Nine Mile Creek. 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 Nine Mile Creek, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
21.1 C (70.0 F)
-35.6 C (-32.1 F)
n/a
n/a
Feb
23.3 C (73.9 F)
-41.7 C (-43.1 F)
n/a
n/a
Mar
23.9 C (75.0 F)
-32.8 C (-27.0 F)
n/a
n/a
Apr
29.4 C (84.9 F)
-23.3 C (-9.9 F)
n/a
n/a
May
34.4 C (93.9 F)
-10.6 C (12.9 F)
n/a
n/a
Jun
40.6 C (105.1 F)
-3.9 C (25.0 F)
n/a
n/a
Jul
40.0 C (104.0 F)
1.7 C (35.1 F)
n/a
n/a
Aug
37.8 C (100.0 F)
-0.6 C (30.9 F)
n/a
n/a
Sep
36.1 C (97.0 F)
-10.6 C (12.9 F)
n/a
n/a
Oct
32.2 C (90.0 F)
-18.9 C (-2.0 F)
n/a
n/a
Nov
23.9 C (75.0 F)
-36.7 C (-34.1 F)
n/a
n/a
Dec
20.6 C (69.1 F)
-33.9 C (-29.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Nine Mile Creek still stand. 1928 holds the most, with 91.
Standing records at Nine Mile Creek by the year they were set
Year set
Standing records
1928
91
1929
44
1930
30
1931
70
1932
57
1933
42
1934
59
1935
39
1936
66
1937
49
1938
29
1939
47
1940
56
1941
14
1942
31
1943
48
1944
15
1945
40
1946
40
1947
28
1948
53
1949
31
1950
89
1951
37
1952
42
1953
41
1954
58
1955
33
1956
31
1957
32
1958
44
1959
30
1960
48
Wettest Day of Each Month
Apr: 73.9 mm (2.9 in)
The wettest day on record for each calendar month at Nine Mile Creek. The most was 73.9 mm (2.9 in) on 14 April 1927.
Record daily precipitation for each month at Nine Mile Creek
Month
Record daily precipitation (mm)
Date
Jan
25.4 mm (1.0 in)
14 January 1953
Feb
20.6 mm (0.8 in)
13 February 1959
Mar
20.3 mm (0.8 in)
18 March 1954
Apr
73.9 mm (2.9 in)
14 April 1927
May
58.9 mm (2.3 in)
29 May 1935
Jun
69.1 mm (2.7 in)
5 June 1936
Jul
51.6 mm (2.0 in)
31 July 1931
Aug
58.4 mm (2.3 in)
28 August 1933
Sep
63.5 mm (2.5 in)
30 September 1923
Oct
31.8 mm (1.3 in)
3 October 1934
Nov
24.6 mm (1.0 in)
17 November 1957
Dec
17.8 mm (0.7 in)
31 December 1943
Period of Record Coverage
1928 to 1960
Complete yearUnder 90 percent of days
33 years of record at Nine Mile Creek, 1928 to 1960. 4 years have data for under 90 percent of days and are left out of rankings: 1928, 1929, 1930, 1946.
Cooler than the station meanWarmer than the station mean
One stripe for each of 24 complete years at Nine Mile Creek, 1932 to 1959. Blue stripes are years cooler than the station's own mean of 7.2 C (45.0 F); red stripes are warmer. The coolest year was 1951, at 5.5 C (41.9 F), and the warmest was 1934, at 9.0 C (48.1 F). The strongest colour marks a difference of 1.8 C (3.2 F).
Annual mean temperature at Nine Mile Creek as warming stripes, 1932 to 1959
Year
Annual mean temperature
Difference from the station mean
1932
6.6 C
-0.63 C
1933
8.1 C
+0.83 C
1934
9.0 C
+1.72 C
1935
6.8 C
-0.48 C
1936
6.3 C
-0.94 C
1937
5.6 C
-1.62 C
1938
6.4 C
-0.83 C
1939
7.4 C
+0.14 C
1940
8.1 C
+0.86 C
1942
7.2 C
-0.04 C
1943
7.5 C
+0.26 C
1944
6.8 C
-0.49 C
1947
7.0 C
-0.24 C
1948
7.3 C
+0.02 C
1950
6.1 C
-1.20 C
1951
5.5 C
-1.74 C
1952
7.6 C
+0.31 C
1953
8.4 C
+1.14 C
1954
8.5 C
+1.23 C
1955
6.4 C
-0.89 C
1956
7.9 C
+0.66 C
1957
7.5 C
+0.20 C
1958
8.6 C
+1.35 C
1959
7.6 C
+0.31 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
1921 to 1960
Yearly extremes at Nine Mile Creek: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
40.6 C (105.1 F)
1954
37.8 C (100.0 F)
33
Coldest night (TNn)
-41.7 C (-43.1 F)
1936
-30.6 C (-23.1 F)
33
Wettest day (Rx1day)
73.9 mm (2.9 in)
1927
27.9 mm (1.1 in)
40
Wettest five days (Rx5day)
120.0 mm (4.7 in)
1923
41.2 mm (1.6 in)
34
Longest dry spell (CDD)
56 days
1939
34 days
40
Hottest day (TXx)
The hottest day of the year at Nine Mile Creek, 1921 to 1960. The record is 40.6 C (105.1 F) in 1954, marked on the chart; the median year is 37.8 C (100.0 F).
Hottest day (TXx) at Nine Mile Creek by year
Year
Hottest day (TXx)
1921
n/a
1922
n/a
1923
n/a
1924
n/a
1925
n/a
1926
n/a
1927
n/a
1928
37.2 C (99.0 F)
1929
37.2 C (99.0 F)
1930
39.4 C (102.9 F)
1931
38.9 C (102.0 F)
1932
36.1 C (97.0 F)
1933
37.8 C (100.0 F)
1934
37.8 C (100.0 F)
1935
37.8 C (100.0 F)
1936
36.7 C (98.1 F)
1937
36.7 C (98.1 F)
1938
36.1 C (97.0 F)
1939
38.9 C (102.0 F)
1940
38.9 C (102.0 F)
1941
37.2 C (99.0 F)
1942
36.7 C (98.1 F)
1943
37.2 C (99.0 F)
1944
36.7 C (98.1 F)
1945
35.6 C (96.1 F)
1946
36.7 C (98.1 F)
1947
37.8 C (100.0 F)
1948
37.8 C (100.0 F)
1949
37.8 C (100.0 F)
1950
35.0 C (95.0 F)
1951
37.2 C (99.0 F)
1952
38.9 C (102.0 F)
1953
38.9 C (102.0 F)
1954
40.6 C (105.1 F)
1955
37.2 C (99.0 F)
1956
37.8 C (100.0 F)
1957
37.8 C (100.0 F)
1958
37.2 C (99.0 F)
1959
40.0 C (104.0 F)
1960
38.9 C (102.0 F)
Coldest night (TNn)
The coldest night of the year at Nine Mile Creek, 1921 to 1960. The record is -41.7 C (-43.1 F) in 1936, marked on the chart; the median year is -30.6 C (-23.1 F).
Coldest night (TNn) at Nine Mile Creek by year
Year
Coldest night (TNn)
1921
n/a
1922
n/a
1923
n/a
1924
n/a
1925
n/a
1926
n/a
1927
n/a
1928
-24.4 C (-11.9 F)
1929
-28.9 C (-20.0 F)
1930
-20.0 C (-4.0 F)
1931
-21.1 C (-6.0 F)
1932
-33.9 C (-29.0 F)
1933
-37.2 C (-35.0 F)
1934
-30.6 C (-23.1 F)
1935
-32.2 C (-26.0 F)
1936
-41.7 C (-43.1 F)
1937
-35.6 C (-32.1 F)
1938
-30.0 C (-22.0 F)
1939
-30.6 C (-23.1 F)
1940
-35.0 C (-31.0 F)
1941
-28.9 C (-20.0 F)
1942
-35.0 C (-31.0 F)
1943
-32.2 C (-26.0 F)
1944
-28.9 C (-20.0 F)
1945
-29.4 C (-20.9 F)
1946
-28.3 C (-18.9 F)
1947
-29.4 C (-20.9 F)
1948
-30.0 C (-22.0 F)
1949
-35.6 C (-32.1 F)
1950
-33.9 C (-29.0 F)
1951
-35.0 C (-31.0 F)
1952
-33.9 C (-29.0 F)
1953
-23.3 C (-9.9 F)
1954
-28.3 C (-18.9 F)
1955
-36.7 C (-34.1 F)
1956
-31.7 C (-25.1 F)
1957
-29.4 C (-20.9 F)
1958
-22.8 C (-9.0 F)
1959
-33.3 C (-27.9 F)
1960
-27.8 C (-18.0 F)
Wettest day (Rx1day)
The wettest day of the year at Nine Mile Creek, 1921 to 1960. The record is 73.9 mm (2.9 in) in 1927, marked on the chart; the median year is 27.9 mm (1.1 in).
Wettest day (Rx1day) at Nine Mile Creek by year
Year
Wettest day (Rx1day)
1921
8.1 mm (0.32 in)
1922
10.2 mm (0.4 in)
1923
63.5 mm (2.5 in)
1924
22.9 mm (0.9 in)
1925
30.0 mm (1.2 in)
1926
30.0 mm (1.2 in)
1927
73.9 mm (2.9 in)
1928
46.2 mm (1.8 in)
1929
43.9 mm (1.7 in)
1930
22.1 mm (0.9 in)
1931
51.6 mm (2.0 in)
1932
27.9 mm (1.1 in)
1933
58.4 mm (2.3 in)
1934
31.8 mm (1.3 in)
1935
58.9 mm (2.3 in)
1936
69.1 mm (2.7 in)
1937
30.7 mm (1.2 in)
1938
22.1 mm (0.9 in)
1939
22.9 mm (0.9 in)
1940
27.4 mm (1.1 in)
1941
55.4 mm (2.2 in)
1942
31.2 mm (1.2 in)
1943
39.4 mm (1.6 in)
1944
27.9 mm (1.1 in)
1945
26.7 mm (1.1 in)
1946
25.4 mm (1.0 in)
1947
27.9 mm (1.1 in)
1948
23.4 mm (0.9 in)
1949
15.2 mm (0.6 in)
1950
27.9 mm (1.1 in)
1951
20.3 mm (0.8 in)
1952
44.5 mm (1.8 in)
1953
25.4 mm (1.0 in)
1954
20.3 mm (0.8 in)
1955
44.5 mm (1.8 in)
1956
27.9 mm (1.1 in)
1957
24.6 mm (1.0 in)
1958
29.2 mm (1.1 in)
1959
20.6 mm (0.8 in)
1960
40.6 mm (1.6 in)
Wettest five days (Rx5day)
The wettest five days of the year at Nine Mile Creek, 1921 to 1960. The record is 120.0 mm (4.7 in) in 1923, marked on the chart; the median year is 41.2 mm (1.6 in).
Wettest five days (Rx5day) at Nine Mile Creek by year
Year
Wettest five days (Rx5day)
1921
n/a
1922
13.9 mm (0.5 in)
1923
120.0 mm (4.7 in)
1924
n/a
1925
35.2 mm (1.4 in)
1926
n/a
1927
n/a
1928
n/a
1929
n/a
1930
21.3 mm (0.8 in)
1931
69.6 mm (2.7 in)
1932
42.5 mm (1.7 in)
1933
75.1 mm (3.0 in)
1934
31.8 mm (1.3 in)
1935
81.8 mm (3.2 in)
1936
95.5 mm (3.8 in)
1937
54.4 mm (2.1 in)
1938
34.5 mm (1.4 in)
1939
41.4 mm (1.6 in)
1940
37.9 mm (1.5 in)
1941
83.6 mm (3.3 in)
1942
59.2 mm (2.3 in)
1943
40.7 mm (1.6 in)
1944
45.8 mm (1.8 in)
1945
64.0 mm (2.5 in)
1946
48.8 mm (1.9 in)
1947
37.9 mm (1.5 in)
1948
31.8 mm (1.3 in)
1949
20.5 mm (0.8 in)
1950
62.2 mm (2.4 in)
1951
33.8 mm (1.3 in)
1952
66.9 mm (2.6 in)
1953
25.4 mm (1.0 in)
1954
31.7 mm (1.2 in)
1955
61.8 mm (2.4 in)
1956
34.0 mm (1.3 in)
1957
34.9 mm (1.4 in)
1958
36.1 mm (1.4 in)
1959
40.9 mm (1.6 in)
1960
41.4 mm (1.6 in)
Longest dry spell (CDD)
The longest dry spell of the year at Nine Mile Creek, 1921 to 1960. The record is 56 days in 1939, marked on the chart; the median year is 34 days.
Longest dry spell (CDD) at Nine Mile Creek by year
Year
Longest dry spell (CDD)
1921
1 day
1922
8 days
1923
15 days
1924
3 days
1925
3 days
1926
3 days
1927
2 days
1928
2 days
1929
1 day
1930
36 days
1931
49 days
1932
47 days
1933
37 days
1934
30 days
1935
39 days
1936
38 days
1937
33 days
1938
41 days
1939
56 days
1940
27 days
1941
34 days
1942
34 days
1943
28 days
1944
44 days
1945
26 days
1946
24 days
1947
31 days
1948
35 days
1949
29 days
1950
47 days
1951
26 days
1952
37 days
1953
32 days
1954
55 days
1955
41 days
1956
29 days
1957
37 days
1958
43 days
1959
45 days
1960
37 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
24 years with a frost
Across 24 years with a frost, the median last spring frost at Nine Mile Creek falls on 21 May and the median first autumn frost on 21 September, which leaves a median of 121 days between them.
Frost dates and growing season at Nine Mile Creek
Measure
Median, all years
Earliest period
Recent period (1932 to 1959)
Recent against earliest
Fitted trend
Last spring frost
21 May
n/a
21 May
n/a
n/a
First autumn frost
21 September
n/a
21 September
n/a
n/a
Growing days
121 days
n/a
121 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 Nine Mile Creek standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Nine Mile Creek 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.