Record envelope, standing records and threshold days for Lower Mill Creek (USC00425229), Utah, United States, with 41 years of record.
Key Facts for Lower Mill Creek
Lower Mill Creek (USC00425229) is a weather station in Utah, United States at 40.70 latitude and -111.78 longitude, 1,513 m (4,964 ft) above sea level.
The station reports from 1913 to 1953, 41 years of record.
1,464 records set at Lower Mill Creek still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Lower Mill Creek tied a daily record high minimum temperature of 20.0 C (68.0 F) on 28 August 1953.
About the Station
Location: Utah, United States, 40.70 latitude, -111.78 longitude.
Elevation: 1,513 m (4,964 ft).
Period of record: 1913 to 1953, 41 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 Lower Mill 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 Lower Mill Creek, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
17.2 C (63.0 F)
-22.8 C (-9.0 F)
n/a
n/a
Feb
21.1 C (70.0 F)
-23.9 C (-11.0 F)
n/a
n/a
Mar
26.1 C (79.0 F)
-13.9 C (7.0 F)
n/a
n/a
Apr
28.3 C (82.9 F)
-9.4 C (15.1 F)
n/a
n/a
May
32.2 C (90.0 F)
-2.8 C (27.0 F)
n/a
n/a
Jun
37.8 C (100.0 F)
-1.7 C (28.9 F)
n/a
n/a
Jul
39.4 C (102.9 F)
4.4 C (39.9 F)
n/a
n/a
Aug
36.7 C (98.1 F)
2.8 C (37.0 F)
n/a
n/a
Sep
39.4 C (102.9 F)
-1.7 C (28.9 F)
n/a
n/a
Oct
35.6 C (96.1 F)
-10.6 C (12.9 F)
n/a
n/a
Nov
24.4 C (75.9 F)
-16.1 C (3.0 F)
n/a
n/a
Dec
19.4 C (66.9 F)
-21.1 C (-6.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Lower Mill Creek still stand. 1918 holds the most, with 96.
Standing records at Lower Mill Creek by the year they were set
Year set
Standing records
1913
1
1914
30
1915
31
1916
57
1917
50
1918
96
1919
60
1920
39
1921
44
1922
32
1923
30
1924
39
1925
22
1926
28
1927
40
1928
34
1929
37
1930
40
1931
30
1932
39
1933
70
1934
65
1935
22
1936
29
1937
31
1938
29
1939
29
1940
25
1941
27
1942
29
1943
36
1944
23
1945
35
1946
28
1947
27
1948
24
1949
42
1950
38
1951
30
1952
22
1953
24
All-Time Record Progression
1 new records
1 all-time records were set at Lower Mill Creek between 14 January 1953 and 14 January 1953. Each dot is a new record.
When Lower Mill Creek set new all-time records
Date
Kind
Detail
1953-01-14
Record daily precipitation
Record daily precipitation 67.6 mm (2.7 in)
Wettest Day of Each Month
Jan: 67.6 mm (2.7 in)
The wettest day on record for each calendar month at Lower Mill Creek. The most was 67.6 mm (2.7 in) on 14 January 1953.
Record daily precipitation for each month at Lower Mill Creek
Month
Record daily precipitation (mm)
Date
Jan
67.6 mm (2.7 in)
14 January 1953
Feb
42.4 mm (1.7 in)
2 February 1936
Mar
53.3 mm (2.1 in)
14 March 1938
Apr
44.5 mm (1.8 in)
17 April 1944
May
52.3 mm (2.1 in)
16 May 1942
Jun
50.8 mm (2.0 in)
1 June 1943
Jul
39.9 mm (1.6 in)
21 July 1951
Aug
39.1 mm (1.5 in)
11 August 1930
Sep
48.3 mm (1.9 in)
26 September 1923
Oct
41.7 mm (1.6 in)
15 October 1937
Nov
40.9 mm (1.6 in)
2 November 1922
Dec
31.8 mm (1.3 in)
12 December 1919
Period of Record Coverage
1913 to 1953
Complete yearUnder 90 percent of days
41 years of record at Lower Mill Creek, 1913 to 1953. 6 years have data for under 90 percent of days and are left out of rankings: 1913, 1916, 1921, 1922, 1931, 1953.
Cooler than the station meanWarmer than the station mean
One stripe for each of 29 complete years at Lower Mill Creek, 1917 to 1952. Blue stripes are years cooler than the station's own mean of 10.7 C (51.3 F); red stripes are warmer. The coolest year was 1944, at 9.4 C (48.9 F), and the warmest was 1934, at 13.2 C (55.7 F). The strongest colour marks a difference of 2.5 C (4.5 F).
Annual mean temperature at Lower Mill Creek as warming stripes, 1917 to 1952
Year
Annual mean temperature
Difference from the station mean
1917
10.1 C
-0.64 C
1918
10.5 C
-0.23 C
1919
10.4 C
-0.31 C
1924
10.6 C
-0.10 C
1925
11.5 C
+0.82 C
1926
12.0 C
+1.28 C
1927
10.4 C
-0.30 C
1928
9.8 C
-0.89 C
1929
10.1 C
-0.62 C
1930
10.2 C
-0.46 C
1932
10.6 C
-0.09 C
1933
11.6 C
+0.88 C
1934
13.2 C
+2.45 C
1936
11.3 C
+0.60 C
1937
10.7 C
+0.00 C
1938
10.7 C
-0.04 C
1939
11.3 C
+0.60 C
1940
11.6 C
+0.94 C
1941
10.1 C
-0.64 C
1942
10.4 C
-0.33 C
1943
11.5 C
+0.84 C
1944
9.4 C
-1.33 C
1945
9.6 C
-1.10 C
1946
10.7 C
-0.01 C
1947
10.7 C
+0.03 C
1948
10.3 C
-0.38 C
1949
10.2 C
-0.49 C
1951
9.9 C
-0.82 C
1952
10.9 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
1913 to 1953
Yearly extremes at Lower Mill Creek: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
39.4 C (102.9 F)
1918
35.6 C (96.1 F)
41
Coldest night (TNn)
-23.9 C (-11.0 F)
1933
-16.1 C (3.0 F)
41
Wettest day (Rx1day)
67.6 mm (2.7 in)
1953
33.3 mm (1.3 in)
41
Wettest five days (Rx5day)
87.9 mm (3.5 in)
1944
59.5 mm (2.3 in)
41
Longest dry spell (CDD)
82 days
1915
30 days
41
Hottest day (TXx)
The hottest day of the year at Lower Mill Creek, 1913 to 1953. The record is 39.4 C (102.9 F) in 1918, marked on the chart; the median year is 35.6 C (96.1 F).
Hottest day (TXx) at Lower Mill Creek by year
Year
Hottest day (TXx)
1913
7.8 C (46.0 F)
1914
35.0 C (95.0 F)
1915
35.0 C (95.0 F)
1916
35.0 C (95.0 F)
1917
36.7 C (98.1 F)
1918
39.4 C (102.9 F)
1919
36.7 C (98.1 F)
1920
36.1 C (97.0 F)
1921
36.1 C (97.0 F)
1922
32.2 C (90.0 F)
1923
35.0 C (95.0 F)
1924
35.6 C (96.1 F)
1925
39.4 C (102.9 F)
1926
37.8 C (100.0 F)
1927
36.7 C (98.1 F)
1928
36.7 C (98.1 F)
1929
35.6 C (96.1 F)
1930
37.2 C (99.0 F)
1931
29.4 C (84.9 F)
1932
36.7 C (98.1 F)
1933
38.3 C (100.9 F)
1934
38.9 C (102.0 F)
1935
37.2 C (99.0 F)
1936
35.6 C (96.1 F)
1937
36.7 C (98.1 F)
1938
35.0 C (95.0 F)
1939
35.6 C (96.1 F)
1940
36.7 C (98.1 F)
1941
35.0 C (95.0 F)
1942
36.1 C (97.0 F)
1943
35.6 C (96.1 F)
1944
34.4 C (93.9 F)
1945
35.0 C (95.0 F)
1946
35.0 C (95.0 F)
1947
34.4 C (93.9 F)
1948
35.0 C (95.0 F)
1949
35.6 C (96.1 F)
1950
34.4 C (93.9 F)
1951
35.0 C (95.0 F)
1952
36.1 C (97.0 F)
1953
35.6 C (96.1 F)
Coldest night (TNn)
The coldest night of the year at Lower Mill Creek, 1913 to 1953. The record is -23.9 C (-11.0 F) in 1933, marked on the chart; the median year is -16.1 C (3.0 F).
Coldest night (TNn) at Lower Mill Creek by year
Year
Coldest night (TNn)
1913
-12.8 C (9.0 F)
1914
-15.0 C (5.0 F)
1915
-15.0 C (5.0 F)
1916
-16.1 C (3.0 F)
1917
-19.4 C (-2.9 F)
1918
-16.7 C (1.9 F)
1919
-20.0 C (-4.0 F)
1920
-13.9 C (7.0 F)
1921
-13.3 C (8.1 F)
1922
-16.7 C (1.9 F)
1923
-15.0 C (5.0 F)
1924
-20.6 C (-5.1 F)
1925
-11.1 C (12.0 F)
1926
-15.0 C (5.0 F)
1927
-16.1 C (3.0 F)
1928
-14.4 C (6.1 F)
1929
-18.9 C (-2.0 F)
1930
-19.4 C (-2.9 F)
1931
-13.9 C (7.0 F)
1932
-21.1 C (-6.0 F)
1933
-23.9 C (-11.0 F)
1934
-10.6 C (12.9 F)
1935
-16.7 C (1.9 F)
1936
-16.7 C (1.9 F)
1937
-22.8 C (-9.0 F)
1938
-11.1 C (12.0 F)
1939
-13.3 C (8.1 F)
1940
-14.4 C (6.1 F)
1941
-11.7 C (10.9 F)
1942
-18.9 C (-2.0 F)
1943
-17.8 C (0.0 F)
1944
-15.6 C (3.9 F)
1945
-13.3 C (8.1 F)
1946
-12.8 C (9.0 F)
1947
-16.7 C (1.9 F)
1948
-17.2 C (1.0 F)
1949
-20.6 C (-5.1 F)
1950
-18.3 C (-0.9 F)
1951
-19.4 C (-2.9 F)
1952
-17.8 C (0.0 F)
1953
-11.1 C (12.0 F)
Wettest day (Rx1day)
The wettest day of the year at Lower Mill Creek, 1913 to 1953. The record is 67.6 mm (2.7 in) in 1953, marked on the chart; the median year is 33.3 mm (1.3 in).
Wettest day (Rx1day) at Lower Mill Creek by year
Year
Wettest day (Rx1day)
1913
13.0 mm (0.5 in)
1914
30.5 mm (1.2 in)
1915
29.2 mm (1.1 in)
1916
50.3 mm (2.0 in)
1917
31.8 mm (1.3 in)
1918
25.4 mm (1.0 in)
1919
31.8 mm (1.3 in)
1920
30.5 mm (1.2 in)
1921
27.9 mm (1.1 in)
1922
40.9 mm (1.6 in)
1923
48.3 mm (1.9 in)
1924
30.7 mm (1.2 in)
1925
30.7 mm (1.2 in)
1926
41.4 mm (1.6 in)
1927
32.3 mm (1.3 in)
1928
21.8 mm (0.9 in)
1929
45.5 mm (1.8 in)
1930
39.1 mm (1.5 in)
1931
31.0 mm (1.2 in)
1932
31.2 mm (1.2 in)
1933
33.5 mm (1.3 in)
1934
24.4 mm (1.0 in)
1935
28.4 mm (1.1 in)
1936
42.4 mm (1.7 in)
1937
41.7 mm (1.6 in)
1938
53.3 mm (2.1 in)
1939
27.4 mm (1.1 in)
1940
43.9 mm (1.7 in)
1941
37.1 mm (1.5 in)
1942
52.3 mm (2.1 in)
1943
50.8 mm (2.0 in)
1944
44.5 mm (1.8 in)
1945
29.0 mm (1.1 in)
1946
33.3 mm (1.3 in)
1947
39.6 mm (1.6 in)
1948
33.8 mm (1.3 in)
1949
37.6 mm (1.5 in)
1950
30.0 mm (1.2 in)
1951
40.4 mm (1.6 in)
1952
25.9 mm (1.0 in)
1953
67.6 mm (2.7 in)
Wettest five days (Rx5day)
The wettest five days of the year at Lower Mill Creek, 1913 to 1953. The record is 87.9 mm (3.5 in) in 1944, marked on the chart; the median year is 59.5 mm (2.3 in).
Wettest five days (Rx5day) at Lower Mill Creek by year
Year
Wettest five days (Rx5day)
1913
21.9 mm (0.9 in)
1914
54.1 mm (2.1 in)
1915
45.9 mm (1.8 in)
1916
66.5 mm (2.6 in)
1917
59.7 mm (2.4 in)
1918
79.0 mm (3.1 in)
1919
42.4 mm (1.7 in)
1920
59.7 mm (2.4 in)
1921
41.9 mm (1.6 in)
1922
39.9 mm (1.6 in)
1923
44.9 mm (1.8 in)
1924
38.9 mm (1.5 in)
1925
77.2 mm (3.0 in)
1926
69.8 mm (2.7 in)
1927
49.3 mm (1.9 in)
1928
26.7 mm (1.1 in)
1929
61.1 mm (2.4 in)
1930
71.5 mm (2.8 in)
1931
44.0 mm (1.7 in)
1932
73.4 mm (2.9 in)
1933
58.7 mm (2.3 in)
1934
58.4 mm (2.3 in)
1935
59.5 mm (2.3 in)
1936
61.5 mm (2.4 in)
1937
58.9 mm (2.3 in)
1938
68.2 mm (2.7 in)
1939
44.1 mm (1.7 in)
1940
85.6 mm (3.4 in)
1941
56.6 mm (2.2 in)
1942
66.0 mm (2.6 in)
1943
66.5 mm (2.6 in)
1944
87.9 mm (3.5 in)
1945
45.6 mm (1.8 in)
1946
65.5 mm (2.6 in)
1947
76.7 mm (3.0 in)
1948
41.7 mm (1.6 in)
1949
67.1 mm (2.6 in)
1950
40.4 mm (1.6 in)
1951
64.8 mm (2.6 in)
1952
42.6 mm (1.7 in)
1953
80.3 mm (3.2 in)
Longest dry spell (CDD)
The longest dry spell of the year at Lower Mill Creek, 1913 to 1953. The record is 82 days in 1915, marked on the chart; the median year is 30 days.
Longest dry spell (CDD) at Lower Mill Creek by year
Year
Longest dry spell (CDD)
1913
17 days
1914
60 days
1915
82 days
1916
30 days
1917
37 days
1918
30 days
1919
28 days
1920
27 days
1921
11 days
1922
31 days
1923
13 days
1924
2 days
1925
3 days
1926
23 days
1927
36 days
1928
27 days
1929
23 days
1930
21 days
1931
30 days
1932
39 days
1933
31 days
1934
30 days
1935
63 days
1936
31 days
1937
22 days
1938
23 days
1939
40 days
1940
64 days
1941
39 days
1942
28 days
1943
64 days
1944
82 days
1945
28 days
1946
35 days
1947
24 days
1948
41 days
1949
28 days
1950
59 days
1951
28 days
1952
74 days
1953
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.
Frost Dates and Growing Season
29 years with a frost
Across 29 years with a frost, the median last spring frost at Lower Mill Creek falls on 28 April and the median first autumn frost on 18 October, which leaves a median of 173 days between them.
Fitted over all years, the growing season changes by +8.2 days per decade at this station.
Frost dates and growing season at Lower Mill Creek
Measure
Median, all years
Earliest period
Recent period (1917 to 1952)
Recent against earliest
Fitted trend
Last spring frost
28 April
n/a
28 April
n/a
-3.7 days per decade
First autumn frost
18 October
n/a
18 October
n/a
+4.6 days per decade
Growing days
173 days
n/a
173 days
n/a
+8.2 days per decade
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 Lower Mill Creek standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Lower Mill 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.