Record envelope, standing records and threshold days for Willow Springs Rch (USC00029382), Arizona, United States, with 36 years of record.
Key Facts for Willow Springs Rch
Willow Springs Rch (USC00029382) is a weather station in Arizona, United States at 32.72 latitude and -110.87 longitude, 1,125 m (3,691 ft) above sea level.
The station reports from 1943 to 1978, 36 years of record.
1,464 records set at Willow Springs Rch still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Willow Springs Rch set a daily record low maximum temperature of 4.4 C (39.9 F) on 11 December 1978.
About the Station
Location: Arizona, United States, 32.72 latitude, -110.87 longitude.
Elevation: 1,125 m (3,691 ft).
Period of record: 1943 to 1978, 36 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 Willow Springs Rch. 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 Willow Springs Rch, 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)
-12.2 C (10.0 F)
n/a
n/a
Feb
29.4 C (84.9 F)
-11.1 C (12.0 F)
n/a
n/a
Mar
32.2 C (90.0 F)
-9.4 C (15.1 F)
n/a
n/a
Apr
36.1 C (97.0 F)
-3.3 C (26.1 F)
n/a
n/a
May
38.9 C (102.0 F)
-0.6 C (30.9 F)
n/a
n/a
Jun
44.4 C (111.9 F)
2.2 C (36.0 F)
n/a
n/a
Jul
41.7 C (107.1 F)
8.9 C (48.0 F)
n/a
n/a
Aug
41.7 C (107.1 F)
7.2 C (45.0 F)
n/a
n/a
Sep
40.0 C (104.0 F)
-0.6 C (30.9 F)
n/a
n/a
Oct
36.1 C (97.0 F)
-5.0 C (23.0 F)
n/a
n/a
Nov
32.8 C (91.0 F)
-9.4 C (15.1 F)
n/a
n/a
Dec
27.8 C (82.0 F)
-13.3 C (8.1 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Willow Springs Rch still stand. 1970 holds the most, with 111.
Standing records at Willow Springs Rch by the year they were set
Year set
Standing records
1943
65
1944
51
1945
56
1946
25
1949
36
1950
69
1951
43
1952
20
1953
59
1954
40
1955
49
1956
65
1957
48
1959
23
1960
52
1961
11
1962
53
1963
37
1964
42
1965
46
1966
40
1967
38
1968
83
1969
51
1970
111
1971
58
1972
48
1973
36
1974
27
1975
31
1976
22
1977
13
1978
16
Wettest Day of Each Month
Jul: 80.0 mm (3.1 in)
The wettest day on record for each calendar month at Willow Springs Rch. The most was 80.0 mm (3.1 in) on 21 July 1954.
Record daily precipitation for each month at Willow Springs Rch
Month
Record daily precipitation (mm)
Date
Jan
28.4 mm (1.1 in)
5 January 1946
Feb
38.1 mm (1.5 in)
21 February 1973
Mar
38.1 mm (1.5 in)
4 March 1943
Apr
33.0 mm (1.3 in)
15 April 1976
May
25.4 mm (1.0 in)
25 May 1967
Jun
24.6 mm (1.0 in)
2 June 1952
Jul
80.0 mm (3.1 in)
21 July 1954
Aug
53.6 mm (2.1 in)
3 August 1943
Sep
40.6 mm (1.6 in)
14 September 1964
Oct
39.4 mm (1.6 in)
19 October 1972
Nov
30.0 mm (1.2 in)
14 November 1968
Dec
53.3 mm (2.1 in)
27 December 1968
Period of Record Coverage
1943 to 1978
Complete yearUnder 90 percent of days
33 years of record at Willow Springs Rch, 1943 to 1978. 10 years have data for under 90 percent of days and are left out of rankings: 1943, 1945, 1946, 1949, 1950, 1951, 1952, 1967 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 20 complete years at Willow Springs Rch, 1944 to 1975. Blue stripes are years cooler than the station's own mean of 16.7 C (62.0 F); red stripes are warmer. The coolest year was 1968, at 14.1 C (57.3 F), and the warmest was 1954, at 17.9 C (64.1 F). The strongest colour marks a difference of 2.7 C (4.9 F).
Annual mean temperature at Willow Springs Rch as warming stripes, 1944 to 1975
Year
Annual mean temperature
Difference from the station mean
1944
17.6 C
+0.91 C
1953
16.8 C
+0.07 C
1954
17.9 C
+1.17 C
1955
16.9 C
+0.17 C
1956
17.4 C
+0.69 C
1957
16.8 C
+0.15 C
1960
17.4 C
+0.69 C
1961
17.0 C
+0.26 C
1962
17.3 C
+0.59 C
1963
17.1 C
+0.39 C
1964
15.5 C
-1.17 C
1965
15.8 C
-0.93 C
1966
16.2 C
-0.45 C
1968
14.1 C
-2.61 C
1969
15.9 C
-0.83 C
1970
15.4 C
-1.29 C
1971
16.6 C
-0.14 C
1972
17.5 C
+0.79 C
1974
17.8 C
+1.13 C
1975
17.0 C
+0.34 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
1943 to 1978
Yearly extremes at Willow Springs Rch: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
44.4 C (111.9 F)
1955
40.6 C (105.1 F)
33
Coldest night (TNn)
-13.3 C (8.1 F)
1968
-7.2 C (19.0 F)
33
Wettest day (Rx1day)
80.0 mm (3.1 in)
1954
37.6 mm (1.5 in)
33
Wettest five days (Rx5day)
144.5 mm (5.7 in)
1967
61.0 mm (2.4 in)
33
Longest dry spell (CDD)
150 days
1972
70 days
33
Hottest day (TXx)
The hottest day of the year at Willow Springs Rch, 1943 to 1978. The record is 44.4 C (111.9 F) in 1955, marked on the chart; the median year is 40.6 C (105.1 F).
Hottest day (TXx) at Willow Springs Rch by year
Year
Hottest day (TXx)
1943
40.0 C (104.0 F)
1944
40.6 C (105.1 F)
1945
38.9 C (102.0 F)
1946
37.8 C (100.0 F)
1949
40.0 C (104.0 F)
1950
40.0 C (104.0 F)
1951
38.3 C (100.9 F)
1952
40.6 C (105.1 F)
1953
41.7 C (107.1 F)
1954
41.7 C (107.1 F)
1955
44.4 C (111.9 F)
1956
40.6 C (105.1 F)
1957
41.1 C (106.0 F)
1959
41.7 C (107.1 F)
1960
43.3 C (109.9 F)
1961
40.0 C (104.0 F)
1962
41.7 C (107.1 F)
1963
39.4 C (102.9 F)
1964
40.0 C (104.0 F)
1965
41.1 C (106.0 F)
1966
39.4 C (102.9 F)
1967
39.4 C (102.9 F)
1968
38.9 C (102.0 F)
1969
40.6 C (105.1 F)
1970
42.2 C (108.0 F)
1971
41.1 C (106.0 F)
1972
40.6 C (105.1 F)
1973
41.7 C (107.1 F)
1974
42.2 C (108.0 F)
1975
39.4 C (102.9 F)
1976
40.6 C (105.1 F)
1977
38.3 C (100.9 F)
1978
39.4 C (102.9 F)
Coldest night (TNn)
The coldest night of the year at Willow Springs Rch, 1943 to 1978. The record is -13.3 C (8.1 F) in 1968, marked on the chart; the median year is -7.2 C (19.0 F).
Coldest night (TNn) at Willow Springs Rch by year
Year
Coldest night (TNn)
1943
2.2 C (36.0 F)
1944
-2.2 C (28.0 F)
1945
-4.4 C (24.1 F)
1946
-5.0 C (23.0 F)
1949
-0.6 C (30.9 F)
1950
-0.6 C (30.9 F)
1951
-4.4 C (24.1 F)
1952
-7.2 C (19.0 F)
1953
-11.1 C (12.0 F)
1954
-9.4 C (15.1 F)
1955
-8.9 C (16.0 F)
1956
-9.4 C (15.1 F)
1957
-3.9 C (25.0 F)
1959
-6.1 C (21.0 F)
1960
-12.2 C (10.0 F)
1961
-2.2 C (28.0 F)
1962
-9.4 C (15.1 F)
1963
-10.0 C (14.0 F)
1964
-8.9 C (16.0 F)
1965
-9.4 C (15.1 F)
1966
-10.0 C (14.0 F)
1967
-6.1 C (21.0 F)
1968
-13.3 C (8.1 F)
1969
-8.3 C (17.1 F)
1970
-9.4 C (15.1 F)
1971
-8.9 C (16.0 F)
1972
-6.7 C (19.9 F)
1973
-6.1 C (21.0 F)
1974
-10.0 C (14.0 F)
1975
-6.1 C (21.0 F)
1976
-8.9 C (16.0 F)
1977
-6.7 C (19.9 F)
1978
-7.2 C (19.0 F)
Wettest day (Rx1day)
The wettest day of the year at Willow Springs Rch, 1943 to 1978. The record is 80.0 mm (3.1 in) in 1954, marked on the chart; the median year is 37.6 mm (1.5 in).
Wettest day (Rx1day) at Willow Springs Rch by year
Year
Wettest day (Rx1day)
1943
53.6 mm (2.1 in)
1944
36.8 mm (1.4 in)
1945
42.4 mm (1.7 in)
1946
30.5 mm (1.2 in)
1949
24.4 mm (1.0 in)
1950
7.4 mm (0.29 in)
1951
38.6 mm (1.5 in)
1952
32.5 mm (1.3 in)
1953
41.1 mm (1.6 in)
1954
80.0 mm (3.1 in)
1955
51.6 mm (2.0 in)
1956
26.7 mm (1.1 in)
1957
32.5 mm (1.3 in)
1959
33.0 mm (1.3 in)
1960
30.5 mm (1.2 in)
1961
46.2 mm (1.8 in)
1962
24.6 mm (1.0 in)
1963
34.0 mm (1.3 in)
1964
44.5 mm (1.8 in)
1965
41.9 mm (1.6 in)
1966
40.9 mm (1.6 in)
1967
66.0 mm (2.6 in)
1968
53.3 mm (2.1 in)
1969
26.7 mm (1.1 in)
1970
37.6 mm (1.5 in)
1971
40.6 mm (1.6 in)
1972
39.4 mm (1.6 in)
1973
38.1 mm (1.5 in)
1974
40.6 mm (1.6 in)
1975
29.5 mm (1.2 in)
1976
34.0 mm (1.3 in)
1977
17.0 mm (0.7 in)
1978
36.8 mm (1.4 in)
Wettest five days (Rx5day)
The wettest five days of the year at Willow Springs Rch, 1943 to 1978. The record is 144.5 mm (5.7 in) in 1967, marked on the chart; the median year is 61.0 mm (2.4 in).
Wettest five days (Rx5day) at Willow Springs Rch by year
Year
Wettest five days (Rx5day)
1943
88.6 mm (3.5 in)
1944
37.1 mm (1.5 in)
1945
64.0 mm (2.5 in)
1946
50.0 mm (2.0 in)
1949
40.2 mm (1.6 in)
1950
7.4 mm (0.29 in)
1951
46.9 mm (1.8 in)
1952
54.1 mm (2.1 in)
1953
41.1 mm (1.6 in)
1954
122.2 mm (4.8 in)
1955
110.2 mm (4.3 in)
1956
37.6 mm (1.5 in)
1957
70.1 mm (2.8 in)
1959
83.8 mm (3.3 in)
1960
53.4 mm (2.1 in)
1961
75.7 mm (3.0 in)
1962
46.2 mm (1.8 in)
1963
76.7 mm (3.0 in)
1964
129.2 mm (5.1 in)
1965
72.4 mm (2.9 in)
1966
52.1 mm (2.1 in)
1967
144.5 mm (5.7 in)
1968
53.3 mm (2.1 in)
1969
42.2 mm (1.7 in)
1970
73.6 mm (2.9 in)
1971
67.9 mm (2.7 in)
1972
61.0 mm (2.4 in)
1973
60.7 mm (2.4 in)
1974
65.5 mm (2.6 in)
1975
46.8 mm (1.8 in)
1976
63.2 mm (2.5 in)
1977
44.5 mm (1.8 in)
1978
79.5 mm (3.1 in)
Longest dry spell (CDD)
The longest dry spell of the year at Willow Springs Rch, 1943 to 1978. The record is 150 days in 1972, marked on the chart; the median year is 70 days.
Longest dry spell (CDD) at Willow Springs Rch by year
Year
Longest dry spell (CDD)
1943
62 days
1944
53 days
1945
83 days
1946
99 days
1949
72 days
1950
58 days
1951
57 days
1952
55 days
1953
83 days
1954
62 days
1955
83 days
1956
76 days
1957
30 days
1959
64 days
1960
76 days
1961
92 days
1962
97 days
1963
75 days
1964
67 days
1965
58 days
1966
109 days
1967
52 days
1968
98 days
1969
58 days
1970
57 days
1971
94 days
1972
150 days
1973
70 days
1974
101 days
1975
73 days
1976
41 days
1977
39 days
1978
50 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
20 years with a frost
Across 20 years with a frost, the median last spring frost at Willow Springs Rch falls on 12 April and the median first autumn frost on 14 November, which leaves a median of 219 days between them.
Frost dates and growing season at Willow Springs Rch
Measure
Median, all years
Earliest period
Recent period (1944 to 1975)
Recent against earliest
Fitted trend
Last spring frost
12 April
n/a
12 April
n/a
n/a
First autumn frost
14 November
n/a
14 November
n/a
n/a
Growing days
219 days
n/a
219 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 Willow Springs Rch standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Willow Springs Rch 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.