Record envelope, standing records and threshold days for Del Monte (USC00042362), California, United States, with 41 years of record.
Key Facts for Del Monte
Del Monte (USC00042362) is a weather station in California, United States at 36.60 latitude and -121.87 longitude, 14 m (45 ft) above sea level.
The station reports from 1911 to 1951, 41 years of record.
1,464 records set at Del Monte still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Del Monte set a daily record precipitation of 5.1 mm (0.20 in) on 24 April 1951.
About the Station
Location: California, United States, 36.60 latitude, -121.87 longitude.
Elevation: 14 m (45 ft).
Period of record: 1911 to 1951, 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 Del Monte. 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 Del Monte, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
26.7 C (80.1 F)
-6.7 C (19.9 F)
n/a
n/a
Feb
30.6 C (87.1 F)
-3.9 C (25.0 F)
n/a
n/a
Mar
30.0 C (86.0 F)
-2.2 C (28.0 F)
n/a
n/a
Apr
32.8 C (91.0 F)
0.0 C (32.0 F)
n/a
n/a
May
32.8 C (91.0 F)
2.2 C (36.0 F)
n/a
n/a
Jun
33.9 C (93.0 F)
3.9 C (39.0 F)
n/a
n/a
Jul
34.4 C (93.9 F)
4.4 C (39.9 F)
n/a
n/a
Aug
30.0 C (86.0 F)
6.1 C (43.0 F)
n/a
n/a
Sep
36.1 C (97.0 F)
4.4 C (39.9 F)
n/a
n/a
Oct
33.3 C (91.9 F)
1.1 C (34.0 F)
n/a
n/a
Nov
31.1 C (88.0 F)
-3.9 C (25.0 F)
n/a
n/a
Dec
26.7 C (80.1 F)
-4.4 C (24.1 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Del Monte still stand. 1923 holds the most, with 75.
Standing records at Del Monte by the year they were set
Year set
Standing records
1911
54
1912
48
1913
61
1914
54
1915
34
1916
65
1917
70
1918
34
1919
29
1920
40
1921
56
1922
39
1923
75
1924
41
1925
51
1926
18
1927
37
1928
52
1929
45
1930
36
1931
39
1932
43
1933
50
1934
23
1935
48
1936
27
1937
47
1938
29
1939
28
1940
16
1941
21
1942
20
1943
17
1944
23
1945
25
1946
21
1947
29
1948
19
Wettest Day of Each Month
Sep: 78.7 mm (3.1 in)
The wettest day on record for each calendar month at Del Monte. The most was 78.7 mm (3.1 in) on 13 September 1918.
Record daily precipitation for each month at Del Monte
Month
Record daily precipitation (mm)
Date
Jan
52.1 mm (2.1 in)
2 January 1940
Feb
54.6 mm (2.1 in)
9 February 1922
Mar
52.8 mm (2.1 in)
22 March 1937
Apr
38.6 mm (1.5 in)
5 April 1941
May
25.4 mm (1.0 in)
13 May 1925
Jun
19.6 mm (0.8 in)
9 June 1929
Jul
1.8 mm (0.07 in)
7 July 1936
Aug
11.2 mm (0.4 in)
27 August 1935
Sep
78.7 mm (3.1 in)
13 September 1918
Oct
35.6 mm (1.4 in)
26 October 1950
Nov
66.0 mm (2.6 in)
20 November 1946
Dec
71.1 mm (2.8 in)
24 December 1921
Period of Record Coverage
1911 to 1948
Complete yearUnder 90 percent of days
38 years of record at Del Monte, 1911 to 1948. 5 years have data for under 90 percent of days and are left out of rankings: 1924, 1926, 1928, 1947, 1948.
Cooler than the station meanWarmer than the station mean
One stripe for each of 30 complete years at Del Monte, 1911 to 1947. Blue stripes are years cooler than the station's own mean of 13.5 C (56.3 F); red stripes are warmer. The coolest year was 1933, at 11.8 C (53.2 F), and the warmest was 1923, at 15.9 C (60.7 F). The strongest colour marks a difference of 2.5 C (4.5 F).
Annual mean temperature at Del Monte as warming stripes, 1911 to 1947
Year
Annual mean temperature
Difference from the station mean
1911
14.3 C
+0.76 C
1912
15.0 C
+1.43 C
1913
14.3 C
+0.75 C
1914
14.5 C
+0.95 C
1915
14.4 C
+0.88 C
1916
13.5 C
+0.02 C
1917
12.9 C
-0.59 C
1918
14.4 C
+0.83 C
1919
14.0 C
+0.43 C
1920
13.3 C
-0.19 C
1921
12.9 C
-0.65 C
1922
14.9 C
+1.37 C
1923
15.9 C
+2.42 C
1925
13.8 C
+0.26 C
1927
15.3 C
+1.76 C
1929
12.2 C
-1.35 C
1931
13.0 C
-0.48 C
1932
12.2 C
-1.31 C
1933
11.8 C
-1.77 C
1934
13.2 C
-0.32 C
1936
13.1 C
-0.45 C
1937
12.5 C
-1.00 C
1938
12.7 C
-0.79 C
1939
13.0 C
-0.49 C
1940
14.0 C
+0.49 C
1941
14.0 C
+0.48 C
1942
12.7 C
-0.86 C
1945
12.9 C
-0.67 C
1946
12.4 C
-1.11 C
1947
12.8 C
-0.73 C
The annual mean temperature here has fallen by 0.5 C (0.2 to 0.8) per decade over 1911 to 1947. In Fahrenheit: 0.9 F (0.4 to 1.4) per decade. The slope is a straight line fitted to 30 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Del Monte
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
-0.5 C (-0.8 to -0.2) per decade
-0.9 F (-1.4 to -0.4) per decade
1911 to 1947
30
Fall
Mean daily maximum
0.1 C (-0.2 to 0.4) per decade
0.2 F (-0.3 to 0.7) per decade
1911 to 1947
30
Not clearly different from zero
Mean daily minimum
-1.1 C (-1.5 to -0.7) per decade
-2.0 F (-2.7 to -1.3) per decade
1911 to 1947
30
Fall
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
1911 to 1951
Yearly extremes at Del Monte: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
36.1 C (97.0 F)
1939
31.1 C (88.0 F)
38
Coldest night (TNn)
-6.7 C (19.9 F)
1913
-2.5 C (27.5 F)
38
Wettest day (Rx1day)
78.7 mm (3.1 in)
1918
36.8 mm (1.4 in)
41
Wettest five days (Rx5day)
150.9 mm (5.9 in)
1921
71.6 mm (2.8 in)
41
Longest dry spell (CDD)
178 days
1929
109 days
41
Hottest day (TXx)
The hottest day of the year at Del Monte, 1911 to 1951. The record is 36.1 C (97.0 F) in 1939, marked on the chart; the median year is 31.1 C (88.0 F).
Hottest day (TXx) at Del Monte by year
Year
Hottest day (TXx)
1911
30.6 C (87.1 F)
1912
31.7 C (89.1 F)
1913
32.2 C (90.0 F)
1914
28.9 C (84.0 F)
1915
28.9 C (84.0 F)
1916
30.6 C (87.1 F)
1917
33.3 C (91.9 F)
1918
28.9 C (84.0 F)
1919
31.1 C (88.0 F)
1920
27.8 C (82.0 F)
1921
29.4 C (84.9 F)
1922
31.1 C (88.0 F)
1923
31.7 C (89.1 F)
1924
31.7 C (89.1 F)
1925
31.1 C (88.0 F)
1926
24.4 C (75.9 F)
1927
27.8 C (82.0 F)
1928
25.6 C (78.1 F)
1929
31.7 C (89.1 F)
1930
31.1 C (88.0 F)
1931
34.4 C (93.9 F)
1932
30.6 C (87.1 F)
1933
30.0 C (86.0 F)
1934
31.7 C (89.1 F)
1935
32.2 C (90.0 F)
1936
32.8 C (91.0 F)
1937
33.3 C (91.9 F)
1938
30.0 C (86.0 F)
1939
36.1 C (97.0 F)
1940
28.9 C (84.0 F)
1941
32.8 C (91.0 F)
1942
33.9 C (93.0 F)
1943
33.9 C (93.0 F)
1944
27.8 C (82.0 F)
1945
29.4 C (84.9 F)
1946
35.0 C (95.0 F)
1947
32.8 C (91.0 F)
1948
28.3 C (82.9 F)
1949
n/a
1950
n/a
1951
n/a
Coldest night (TNn)
The coldest night of the year at Del Monte, 1911 to 1951. The record is -6.7 C (19.9 F) in 1913, marked on the chart; the median year is -2.5 C (27.5 F).
Coldest night (TNn) at Del Monte by year
Year
Coldest night (TNn)
1911
-0.6 C (30.9 F)
1912
-1.7 C (28.9 F)
1913
-6.7 C (19.9 F)
1914
1.1 C (34.0 F)
1915
-4.4 C (24.1 F)
1916
-3.3 C (26.1 F)
1917
-3.9 C (25.0 F)
1918
-1.1 C (30.0 F)
1919
-2.2 C (28.0 F)
1920
-2.2 C (28.0 F)
1921
-2.8 C (27.0 F)
1922
-2.8 C (27.0 F)
1923
-0.6 C (30.9 F)
1924
-2.2 C (28.0 F)
1925
-1.1 C (30.0 F)
1926
-1.7 C (28.9 F)
1927
3.3 C (37.9 F)
1928
-2.8 C (27.0 F)
1929
-3.9 C (25.0 F)
1930
-4.4 C (24.1 F)
1931
-3.9 C (25.0 F)
1932
-4.4 C (24.1 F)
1933
-2.2 C (28.0 F)
1934
-1.7 C (28.9 F)
1935
-2.2 C (28.0 F)
1936
-2.2 C (28.0 F)
1937
-6.1 C (21.0 F)
1938
-3.9 C (25.0 F)
1939
-1.7 C (28.9 F)
1940
-3.9 C (25.0 F)
1941
-1.7 C (28.9 F)
1942
-3.3 C (26.1 F)
1943
-3.9 C (25.0 F)
1944
-2.2 C (28.0 F)
1945
-2.2 C (28.0 F)
1946
-3.9 C (25.0 F)
1947
-3.9 C (25.0 F)
1948
-3.9 C (25.0 F)
1949
n/a
1950
n/a
1951
n/a
Wettest day (Rx1day)
The wettest day of the year at Del Monte, 1911 to 1951. The record is 78.7 mm (3.1 in) in 1918, marked on the chart; the median year is 36.8 mm (1.4 in).
Wettest day (Rx1day) at Del Monte by year
Year
Wettest day (Rx1day)
1911
48.8 mm (1.9 in)
1912
30.5 mm (1.2 in)
1913
24.9 mm (1.0 in)
1914
49.3 mm (1.9 in)
1915
48.3 mm (1.9 in)
1916
46.2 mm (1.8 in)
1917
40.6 mm (1.6 in)
1918
78.7 mm (3.1 in)
1919
30.7 mm (1.2 in)
1920
26.7 mm (1.1 in)
1921
71.1 mm (2.8 in)
1922
54.6 mm (2.1 in)
1923
22.1 mm (0.9 in)
1924
29.0 mm (1.1 in)
1925
26.2 mm (1.0 in)
1926
33.5 mm (1.3 in)
1927
34.5 mm (1.4 in)
1928
39.9 mm (1.6 in)
1929
23.6 mm (0.9 in)
1930
36.8 mm (1.4 in)
1931
38.4 mm (1.5 in)
1932
38.9 mm (1.5 in)
1933
30.2 mm (1.2 in)
1934
32.0 mm (1.3 in)
1935
31.0 mm (1.2 in)
1936
40.6 mm (1.6 in)
1937
52.8 mm (2.1 in)
1938
41.7 mm (1.6 in)
1939
36.1 mm (1.4 in)
1940
52.1 mm (2.1 in)
1941
43.2 mm (1.7 in)
1942
37.3 mm (1.5 in)
1943
33.3 mm (1.3 in)
1944
36.6 mm (1.4 in)
1945
52.3 mm (2.1 in)
1946
66.0 mm (2.6 in)
1947
18.0 mm (0.7 in)
1948
35.8 mm (1.4 in)
1949
24.9 mm (1.0 in)
1950
39.9 mm (1.6 in)
1951
19.1 mm (0.8 in)
Wettest five days (Rx5day)
The wettest five days of the year at Del Monte, 1911 to 1951. The record is 150.9 mm (5.9 in) in 1921, marked on the chart; the median year is 71.6 mm (2.8 in).
Wettest five days (Rx5day) at Del Monte by year
Year
Wettest five days (Rx5day)
1911
105.0 mm (4.1 in)
1912
71.6 mm (2.8 in)
1913
54.4 mm (2.1 in)
1914
111.8 mm (4.4 in)
1915
107.2 mm (4.2 in)
1916
83.0 mm (3.3 in)
1917
77.2 mm (3.0 in)
1918
55.7 mm (2.2 in)
1919
46.8 mm (1.8 in)
1920
37.4 mm (1.5 in)
1921
150.9 mm (5.9 in)
1922
85.9 mm (3.4 in)
1923
43.4 mm (1.7 in)
1924
53.2 mm (2.1 in)
1925
54.1 mm (2.1 in)
1926
82.6 mm (3.3 in)
1927
55.9 mm (2.2 in)
1928
74.1 mm (2.9 in)
1929
41.9 mm (1.6 in)
1930
71.6 mm (2.8 in)
1931
99.8 mm (3.9 in)
1932
76.2 mm (3.0 in)
1933
64.2 mm (2.5 in)
1934
67.3 mm (2.6 in)
1935
61.8 mm (2.4 in)
1936
82.7 mm (3.3 in)
1937
98.1 mm (3.9 in)
1938
98.1 mm (3.9 in)
1939
44.7 mm (1.8 in)
1940
84.0 mm (3.3 in)
1941
113.8 mm (4.5 in)
1942
85.3 mm (3.4 in)
1943
53.7 mm (2.1 in)
1944
71.3 mm (2.8 in)
1945
84.3 mm (3.3 in)
1946
96.0 mm (3.8 in)
1947
27.3 mm (1.1 in)
1948
51.3 mm (2.0 in)
1949
50.1 mm (2.0 in)
1950
71.2 mm (2.8 in)
1951
45.8 mm (1.8 in)
Longest dry spell (CDD)
The longest dry spell of the year at Del Monte, 1911 to 1951. The record is 178 days in 1929, marked on the chart; the median year is 109 days.
Longest dry spell (CDD) at Del Monte by year
Year
Longest dry spell (CDD)
1911
122 days
1912
71 days
1913
157 days
1914
131 days
1915
24 days
1916
19 days
1917
31 days
1918
28 days
1919
18 days
1920
19 days
1921
24 days
1922
63 days
1923
47 days
1924
22 days
1925
19 days
1926
165 days
1927
132 days
1928
144 days
1929
178 days
1930
120 days
1931
146 days
1932
94 days
1933
147 days
1934
109 days
1935
117 days
1936
103 days
1937
108 days
1938
122 days
1939
90 days
1940
78 days
1941
160 days
1942
137 days
1943
127 days
1944
128 days
1945
91 days
1946
112 days
1947
53 days
1948
128 days
1949
71 days
1950
171 days
1951
150 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
22 years with a frost
Across 22 years with a frost, the median last spring frost at Del Monte falls on 15 February and the median first autumn frost on 29 November, which leaves a median of 290 days between them.
Frost dates and growing season at Del Monte
Measure
Median, all years
Earliest period
Recent period (1911 to 1947)
Recent against earliest
Fitted trend
Last spring frost
15 February
n/a
15 February
n/a
n/a
First autumn frost
29 November
n/a
29 November
n/a
n/a
Growing days
290 days
n/a
290 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 Del Monte standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Del Monte 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.