Record envelope, standing records and threshold days for Barstow (USC00040519), California, United States, with 78 years of record.
Key Facts for Barstow
Barstow (USC00040519) is a weather station in California, United States at 34.90 latitude and -117.03 longitude, 659 m (2,162 ft) above sea level.
The station reports from 1903 to 1980, 78 years of record.
1,464 records set at Barstow still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Barstow set a daily record precipitation of 6.6 mm (0.26 in) on 18 March 1980.
About the Station
Location: California, United States, 34.90 latitude, -117.03 longitude.
Elevation: 659 m (2,162 ft).
Period of record: 1903 to 1980, 78 years.
Eligible elements: tmax, tmin, prcp, snow, snwd.
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 Barstow. 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 Barstow, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
28.3 C (82.9 F)
-16.1 C (3.0 F)
n/a
n/a
Feb
29.4 C (84.9 F)
-11.7 C (10.9 F)
n/a
n/a
Mar
33.9 C (93.0 F)
-7.2 C (19.0 F)
n/a
n/a
Apr
37.2 C (99.0 F)
-2.2 C (28.0 F)
n/a
n/a
May
41.7 C (107.1 F)
1.1 C (34.0 F)
n/a
n/a
Jun
45.6 C (114.1 F)
4.4 C (39.9 F)
n/a
n/a
Jul
46.7 C (116.1 F)
10.0 C (50.0 F)
n/a
n/a
Aug
45.0 C (113.0 F)
8.9 C (48.0 F)
n/a
n/a
Sep
45.0 C (113.0 F)
0.0 C (32.0 F)
n/a
n/a
Oct
38.9 C (102.0 F)
-6.1 C (21.0 F)
n/a
n/a
Nov
32.8 C (91.0 F)
-10.0 C (14.0 F)
n/a
n/a
Dec
27.2 C (81.0 F)
-12.2 C (10.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Barstow still stand. 1904 holds the most, with 70.
Standing records at Barstow by the year they were set
Year set
Standing records
1903
46
1904
70
1906
34
1907
13
1908
34
1913
70
1914
14
1915
13
1916
33
1917
12
1918
30
1919
30
1920
17
1921
2
1939
21
1940
40
1941
20
1942
19
1943
37
1944
34
1945
37
1946
23
1947
28
1948
48
1949
70
1950
57
1951
21
1952
14
1953
18
1954
21
1955
25
1956
12
1957
25
1958
16
1959
21
1960
30
1961
26
1962
20
1963
28
1964
41
1965
20
1966
25
1967
24
1968
15
1969
17
1970
17
1971
30
1972
26
1973
7
1974
11
1975
21
1976
24
1977
23
1978
15
1979
14
1980
5
All-Time Record Progression
4 new records
4 all-time records were set at Barstow between 25 June 1961 and 14 July 1972. Each dot is a new record.
When Barstow set new all-time records
Date
Kind
Detail
1961-06-25
Record high minimum temperature
Record high minimum temperature 31.7 C (89.1 F)
1963-01-13
Record low minimum temperature
Record low minimum temperature -16.1 C (3.0 F)
1967-12-15
Record daily snowfall
Record daily snowfall 30.5 cm (12.0 in)
1972-07-14
Record high maximum temperature
Record high maximum temperature 46.7 C (116.1 F)
Wettest Day of Each Month
Nov: 50.8 mm (2.0 in)
The wettest day on record for each calendar month at Barstow. The most was 50.8 mm (2.0 in) on 23 November 1906.
Record daily precipitation for each month at Barstow
Month
Record daily precipitation (mm)
Date
Jan
31.8 mm (1.3 in)
29 January 1980
Feb
25.9 mm (1.0 in)
25 February 1969
Mar
25.7 mm (1.0 in)
12 March 1941
Apr
15.5 mm (0.6 in)
30 April 1914
May
8.9 mm (0.35 in)
6 May 1969
Jun
49.0 mm (1.9 in)
15 June 1918
Jul
44.7 mm (1.8 in)
29 July 1958
Aug
42.2 mm (1.7 in)
9 August 1942
Sep
33.0 mm (1.3 in)
10 September 1976
Oct
23.4 mm (0.9 in)
24 October 1958
Nov
50.8 mm (2.0 in)
23 November 1906
Dec
28.7 mm (1.1 in)
31 December 1907
Period of Record Coverage
1903 to 1980
Complete yearUnder 90 percent of days
56 years of record at Barstow, 1903 to 1980. 8 years have data for under 90 percent of days and are left out of rankings: 1906, 1907, 1921, 1939, 1948, 1953, 1965, 1980.
Cooler than the station meanWarmer than the station mean
One stripe for each of 40 complete years at Barstow, 1903 to 1979. Blue stripes are years cooler than the station's own mean of 17.6 C (63.7 F); red stripes are warmer. The coolest year was 1918, at 16.4 C (61.6 F), and the warmest was 1904, at 19.3 C (66.8 F). The strongest colour marks a difference of 1.7 C (3.1 F).
Annual mean temperature at Barstow as warming stripes, 1903 to 1979
Year
Annual mean temperature
Difference from the station mean
1903
16.9 C
-0.77 C
1904
19.3 C
+1.69 C
1908
16.6 C
-1.05 C
1913
18.6 C
+0.98 C
1914
18.0 C
+0.32 C
1915
17.4 C
-0.27 C
1916
16.6 C
-1.05 C
1918
16.4 C
-1.20 C
1919
16.6 C
-1.04 C
1920
16.7 C
-0.95 C
1940
18.8 C
+1.21 C
1941
17.3 C
-0.32 C
1942
18.0 C
+0.38 C
1944
17.0 C
-0.63 C
1947
18.3 C
+0.67 C
1949
16.6 C
-1.02 C
1951
17.9 C
+0.28 C
1952
17.7 C
+0.06 C
1954
18.5 C
+0.89 C
1955
17.5 C
-0.14 C
1956
17.6 C
-0.02 C
1958
18.5 C
+0.84 C
1959
18.8 C
+1.19 C
1960
18.4 C
+0.77 C
1961
18.3 C
+0.66 C
1962
18.3 C
+0.64 C
1964
17.5 C
-0.17 C
1967
17.7 C
+0.10 C
1968
17.6 C
-0.02 C
1969
17.8 C
+0.17 C
1970
17.6 C
+0.01 C
1971
17.1 C
-0.58 C
1972
17.4 C
-0.21 C
1973
17.3 C
-0.32 C
1974
17.8 C
+0.14 C
1975
16.9 C
-0.71 C
1976
17.3 C
-0.37 C
1977
17.6 C
-0.05 C
1978
17.5 C
-0.15 C
1979
17.8 C
+0.19 C
The fitted trend in annual mean temperature here over 1903 to 1979 is 0.04 C (-0.06 to 0.14) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: 0.1 F (-0.1 to 0.2) per decade. The slope is a straight line fitted to 40 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Barstow
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.04 C (-0.06 to 0.14) per decade
0.1 F (-0.1 to 0.2) per decade
1903 to 1979
40
Not clearly different from zero
Mean daily maximum
0.09 C (0.00 to 0.19) per decade
0.17 F (-0.01 to 0.35) per decade
1903 to 1979
40
Not clearly different from zero
Mean daily minimum
-0.01 C (-0.14 to 0.11) per decade
-0.03 F (-0.25 to 0.20) per decade
1903 to 1979
40
Not clearly different from zero
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
1903 to 1980
Yearly extremes at Barstow: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
46.7 C (116.1 F)
1972
43.3 C (109.9 F)
56
Coldest night (TNn)
-16.1 C (3.0 F)
1963
-8.0 C (17.5 F)
56
Wettest day (Rx1day)
50.8 mm (2.0 in)
1906
19.3 mm (0.8 in)
56
Wettest five days (Rx5day)
70.9 mm (2.8 in)
1942
28.6 mm (1.1 in)
56
Longest dry spell (CDD)
211 days
1915
106 days
56
Hottest day (TXx)
The hottest day of the year at Barstow, 1903 to 1980. The record is 46.7 C (116.1 F) in 1972, marked on the chart; the median year is 43.3 C (109.9 F).
Hottest day (TXx) at Barstow by year
Year
Hottest day (TXx)
1903
43.3 C (109.9 F)
1904
42.8 C (109.0 F)
1906
33.9 C (93.0 F)
1907
43.3 C (109.9 F)
1908
44.4 C (111.9 F)
1913
43.3 C (109.9 F)
1914
41.7 C (107.1 F)
1915
42.2 C (108.0 F)
1916
43.3 C (109.9 F)
1917
45.0 C (113.0 F)
1918
43.9 C (111.0 F)
1919
42.2 C (108.0 F)
1920
43.9 C (111.0 F)
1921
28.3 C (82.9 F)
1939
43.9 C (111.0 F)
1940
44.4 C (111.9 F)
1941
43.9 C (111.0 F)
1942
45.6 C (114.1 F)
1943
45.0 C (113.0 F)
1944
45.0 C (113.0 F)
1945
44.4 C (111.9 F)
1946
43.3 C (109.9 F)
1947
43.9 C (111.0 F)
1948
43.3 C (109.9 F)
1949
43.3 C (109.9 F)
1950
45.6 C (114.1 F)
1951
43.3 C (109.9 F)
1952
43.3 C (109.9 F)
1953
43.3 C (109.9 F)
1954
45.0 C (113.0 F)
1955
43.3 C (109.9 F)
1956
43.9 C (111.0 F)
1957
42.8 C (109.0 F)
1958
44.4 C (111.9 F)
1959
44.4 C (111.9 F)
1960
45.6 C (114.1 F)
1961
45.6 C (114.1 F)
1962
43.3 C (109.9 F)
1963
41.7 C (107.1 F)
1964
42.8 C (109.0 F)
1965
36.7 C (98.1 F)
1966
43.3 C (109.9 F)
1967
43.3 C (109.9 F)
1968
41.7 C (107.1 F)
1969
42.2 C (108.0 F)
1970
43.9 C (111.0 F)
1971
42.8 C (109.0 F)
1972
46.7 C (116.1 F)
1973
42.8 C (109.0 F)
1974
42.8 C (109.0 F)
1975
43.3 C (109.9 F)
1976
43.3 C (109.9 F)
1977
42.2 C (108.0 F)
1978
42.2 C (108.0 F)
1979
44.4 C (111.9 F)
1980
24.4 C (75.9 F)
Coldest night (TNn)
The coldest night of the year at Barstow, 1903 to 1980. The record is -16.1 C (3.0 F) in 1963, marked on the chart; the median year is -8.0 C (17.5 F).
Coldest night (TNn) at Barstow by year
Year
Coldest night (TNn)
1903
-6.1 C (21.0 F)
1904
-1.1 C (30.0 F)
1906
-6.1 C (21.0 F)
1907
-4.4 C (24.1 F)
1908
-9.4 C (15.1 F)
1913
-11.1 C (12.0 F)
1914
-5.6 C (21.9 F)
1915
-6.7 C (19.9 F)
1916
-10.0 C (14.0 F)
1917
-8.3 C (17.1 F)
1918
-8.9 C (16.0 F)
1919
-11.1 C (12.0 F)
1920
-6.7 C (19.9 F)
1921
-6.7 C (19.9 F)
1939
-3.3 C (26.1 F)
1940
-10.0 C (14.0 F)
1941
-5.6 C (21.9 F)
1942
-6.7 C (19.9 F)
1943
-10.6 C (12.9 F)
1944
-5.6 C (21.9 F)
1945
-6.1 C (21.0 F)
1946
-7.8 C (18.0 F)
1947
-9.4 C (15.1 F)
1948
-11.7 C (10.9 F)
1949
-14.4 C (6.1 F)
1950
-11.7 C (10.9 F)
1951
-10.0 C (14.0 F)
1952
-7.8 C (18.0 F)
1953
-9.4 C (15.1 F)
1954
-7.2 C (19.0 F)
1955
-6.1 C (21.0 F)
1956
-8.9 C (16.0 F)
1957
-6.7 C (19.9 F)
1958
-6.1 C (21.0 F)
1959
-6.1 C (21.0 F)
1960
-7.8 C (18.0 F)
1961
-6.7 C (19.9 F)
1962
-8.9 C (16.0 F)
1963
-16.1 C (3.0 F)
1964
-7.8 C (18.0 F)
1965
-7.2 C (19.0 F)
1966
-8.9 C (16.0 F)
1967
-7.2 C (19.0 F)
1968
-10.6 C (12.9 F)
1969
-8.3 C (17.1 F)
1970
-11.1 C (12.0 F)
1971
-11.7 C (10.9 F)
1972
-10.0 C (14.0 F)
1973
-11.1 C (12.0 F)
1974
-8.9 C (16.0 F)
1975
-8.9 C (16.0 F)
1976
-10.6 C (12.9 F)
1977
-6.1 C (21.0 F)
1978
-12.2 C (10.0 F)
1979
-7.8 C (18.0 F)
1980
-2.2 C (28.0 F)
Wettest day (Rx1day)
The wettest day of the year at Barstow, 1903 to 1980. The record is 50.8 mm (2.0 in) in 1906, marked on the chart; the median year is 19.3 mm (0.8 in).
Wettest day (Rx1day) at Barstow by year
Year
Wettest day (Rx1day)
1903
20.3 mm (0.8 in)
1904
10.2 mm (0.4 in)
1906
50.8 mm (2.0 in)
1907
28.7 mm (1.1 in)
1908
12.4 mm (0.5 in)
1913
12.2 mm (0.5 in)
1914
25.4 mm (1.0 in)
1915
14.2 mm (0.6 in)
1916
34.3 mm (1.4 in)
1917
14.2 mm (0.6 in)
1918
49.0 mm (1.9 in)
1919
17.5 mm (0.7 in)
1920
14.0 mm (0.6 in)
1921
15.7 mm (0.6 in)
1939
24.9 mm (1.0 in)
1940
20.6 mm (0.8 in)
1941
25.7 mm (1.0 in)
1942
42.2 mm (1.7 in)
1943
22.4 mm (0.9 in)
1944
22.6 mm (0.9 in)
1945
27.2 mm (1.1 in)
1946
15.2 mm (0.6 in)
1947
13.0 mm (0.5 in)
1948
8.9 mm (0.35 in)
1949
17.5 mm (0.7 in)
1950
25.1 mm (1.0 in)
1951
26.9 mm (1.1 in)
1952
23.9 mm (0.9 in)
1953
10.4 mm (0.4 in)
1954
30.5 mm (1.2 in)
1955
20.8 mm (0.8 in)
1956
43.7 mm (1.7 in)
1957
12.2 mm (0.5 in)
1958
44.7 mm (1.8 in)
1959
15.0 mm (0.6 in)
1960
14.0 mm (0.6 in)
1961
16.8 mm (0.7 in)
1962
9.7 mm (0.38 in)
1963
20.6 mm (0.8 in)
1964
6.4 mm (0.25 in)
1965
18.0 mm (0.7 in)
1966
10.9 mm (0.4 in)
1967
21.1 mm (0.8 in)
1968
18.3 mm (0.7 in)
1969
25.9 mm (1.0 in)
1970
8.1 mm (0.32 in)
1971
10.2 mm (0.4 in)
1972
29.5 mm (1.2 in)
1973
17.8 mm (0.7 in)
1974
17.0 mm (0.7 in)
1975
6.4 mm (0.25 in)
1976
33.0 mm (1.3 in)
1977
36.8 mm (1.4 in)
1978
16.8 mm (0.7 in)
1979
33.5 mm (1.3 in)
1980
31.8 mm (1.3 in)
Wettest five days (Rx5day)
The wettest five days of the year at Barstow, 1903 to 1980. The record is 70.9 mm (2.8 in) in 1942, marked on the chart; the median year is 28.6 mm (1.1 in).
Wettest five days (Rx5day) at Barstow by year
Year
Wettest five days (Rx5day)
1903
20.3 mm (0.8 in)
1904
10.2 mm (0.4 in)
1906
50.8 mm (2.0 in)
1907
48.6 mm (1.9 in)
1908
28.7 mm (1.1 in)
1913
19.1 mm (0.8 in)
1914
37.5 mm (1.5 in)
1915
20.6 mm (0.8 in)
1916
61.3 mm (2.4 in)
1917
26.0 mm (1.0 in)
1918
51.0 mm (2.0 in)
1919
21.6 mm (0.9 in)
1920
15.3 mm (0.6 in)
1921
20.6 mm (0.8 in)
1939
28.5 mm (1.1 in)
1940
33.8 mm (1.3 in)
1941
39.2 mm (1.5 in)
1942
70.9 mm (2.8 in)
1943
50.0 mm (2.0 in)
1944
36.3 mm (1.4 in)
1945
34.8 mm (1.4 in)
1946
15.2 mm (0.6 in)
1947
13.0 mm (0.5 in)
1948
21.8 mm (0.9 in)
1949
41.6 mm (1.6 in)
1950
25.1 mm (1.0 in)
1951
44.9 mm (1.8 in)
1952
44.9 mm (1.8 in)
1953
10.4 mm (0.4 in)
1954
32.3 mm (1.3 in)
1955
20.8 mm (0.8 in)
1956
44.2 mm (1.7 in)
1957
24.1 mm (0.9 in)
1958
48.3 mm (1.9 in)
1959
16.3 mm (0.6 in)
1960
26.7 mm (1.1 in)
1961
16.8 mm (0.7 in)
1962
16.0 mm (0.6 in)
1963
36.4 mm (1.4 in)
1964
12.5 mm (0.5 in)
1965
33.3 mm (1.3 in)
1966
13.2 mm (0.5 in)
1967
29.7 mm (1.2 in)
1968
18.3 mm (0.7 in)
1969
39.9 mm (1.6 in)
1970
12.2 mm (0.5 in)
1971
26.1 mm (1.0 in)
1972
32.1 mm (1.3 in)
1973
19.6 mm (0.8 in)
1974
25.7 mm (1.0 in)
1975
10.1 mm (0.4 in)
1976
39.4 mm (1.6 in)
1977
43.4 mm (1.7 in)
1978
41.7 mm (1.6 in)
1979
38.3 mm (1.5 in)
1980
69.4 mm (2.7 in)
Longest dry spell (CDD)
The longest dry spell of the year at Barstow, 1903 to 1980. The record is 211 days in 1915, marked on the chart; the median year is 106 days.
Longest dry spell (CDD) at Barstow by year
Year
Longest dry spell (CDD)
1903
163 days
1904
154 days
1906
38 days
1907
95 days
1908
97 days
1913
86 days
1914
106 days
1915
211 days
1916
78 days
1917
74 days
1918
68 days
1919
71 days
1920
94 days
1921
49 days
1939
112 days
1940
206 days
1941
76 days
1942
146 days
1943
165 days
1944
191 days
1945
83 days
1946
110 days
1947
169 days
1948
119 days
1949
79 days
1950
127 days
1951
84 days
1952
134 days
1953
129 days
1954
105 days
1955
82 days
1956
159 days
1957
174 days
1958
78 days
1959
129 days
1960
95 days
1961
189 days
1962
154 days
1963
56 days
1964
106 days
1965
53 days
1966
126 days
1967
80 days
1968
96 days
1969
61 days
1970
125 days
1971
104 days
1972
153 days
1973
105 days
1974
88 days
1975
149 days
1976
108 days
1977
121 days
1978
100 days
1979
113 days
1980
14 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
39 years with a frost
Across 39 years with a frost, the median last spring frost at Barstow falls on 20 March and the median first autumn frost on 14 November, which leaves a median of 238 days between them.
Fitted over all years, the growing season changes by -0.9 days per decade at this station.
Frost dates and growing season at Barstow
Measure
Median, all years
Earliest period
Recent period (1940 to 1979)
Recent against earliest
Fitted trend
Last spring frost
20 March
n/a
20 March
n/a
+1.8 days per decade
First autumn frost
14 November
n/a
15 November
n/a
+0.8 days per decade
Growing days
238 days
n/a
238 days
n/a
-0.9 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.
Rainfall Return Levels
50 years, 1903 to 1979
A day with at least 18.8 mm (0.7 in) of rain is expected about once in 2 years. A day with at least 57.5 mm (2.3 in) of rain is expected about once in 100 years.
Rainfall return levels at Barstow: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
18.8 mm (0.7 in)
5 years
28.2 mm (1.1 in)
10 years
34.8 mm (1.4 in)
25 years
43.6 mm (1.7 in)
50 years
50.4 mm (2.0 in)
100 years
57.5 mm (2.3 in)
Longer than the 50 years of record
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 50 years of values from 1903 to 1979.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 49.0 mm (1.9 in) in 1918; 44.7 mm (1.8 in) in 1958; 43.7 mm (1.7 in) in 1956.
Station Changes
No change in the annual mean temperature of this station was found against its neighbours.
Download the Data
Data for Barstow standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Barstow 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.