Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Porcupine Plain. 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 Porcupine Plain, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
7.8 C (46.0 F)
-46.7 C (-52.1 F)
n/a
n/a
Feb
7.8 C (46.0 F)
-46.1 C (-51.0 F)
n/a
n/a
Mar
14.4 C (57.9 F)
-46.1 C (-51.0 F)
n/a
n/a
Apr
28.3 C (82.9 F)
-34.4 C (-29.9 F)
n/a
n/a
May
37.0 C (98.6 F)
-11.7 C (10.9 F)
n/a
n/a
Jun
35.0 C (95.0 F)
-3.0 C (26.6 F)
n/a
n/a
Jul
34.4 C (93.9 F)
1.1 C (34.0 F)
n/a
n/a
Aug
36.7 C (98.1 F)
-1.5 C (29.3 F)
n/a
n/a
Sep
35.6 C (96.1 F)
-10.0 C (14.0 F)
n/a
n/a
Oct
30.0 C (86.0 F)
-17.5 C (0.5 F)
n/a
n/a
Nov
19.4 C (66.9 F)
-38.9 C (-38.0 F)
n/a
n/a
Dec
8.9 C (48.0 F)
-42.8 C (-45.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Porcupine Plain still stand. 1954 holds the most, with 73.
Standing records at Porcupine Plain by the year they were set
Year set
Standing records
1953
46
1954
73
1955
71
1956
59
1957
39
1958
44
1959
44
1960
20
1961
61
1962
43
1963
47
1964
47
1965
41
1966
55
1967
49
1968
51
1969
39
1970
35
1971
28
1972
52
1973
43
1974
35
1975
31
1976
41
1977
63
1978
43
1979
47
1980
51
1981
71
1982
41
1983
54
Wettest Day of Each Month
Jun: 57.7 mm (2.3 in)
The wettest day on record for each calendar month at Porcupine Plain. The most was 57.7 mm (2.3 in) on 1 June 1973.
Record daily precipitation for each month at Porcupine Plain
Month
Record daily precipitation (mm)
Date
Jan
15.2 mm (0.6 in)
16 January 1964
Feb
21.6 mm (0.9 in)
15 February 1961
Mar
27.9 mm (1.1 in)
23 March 1953
Apr
52.8 mm (2.1 in)
19 April 1973
May
52.4 mm (2.1 in)
28 May 1982
Jun
57.7 mm (2.3 in)
1 June 1973
Jul
41.4 mm (1.6 in)
20 July 1968
Aug
57.2 mm (2.3 in)
6 August 1960
Sep
50.8 mm (2.0 in)
11 September 1967
Oct
33.8 mm (1.3 in)
18 October 1971
Nov
25.4 mm (1.0 in)
13 November 1973
Dec
20.3 mm (0.8 in)
7 December 1953
Period of Record Coverage
1953 to 1983
Complete yearUnder 90 percent of days
31 years of record at Porcupine Plain, 1953 to 1983. 18 years have data for under 90 percent of days and are left out of rankings: 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 17 complete years at Porcupine Plain, 1966 to 1983. Blue stripes are years cooler than the station's own mean of 0.4 C (32.7 F); red stripes are warmer. The coolest year was 1966, at -1.1 C (29.9 F), and the warmest was 1981, at 3.1 C (37.5 F). The strongest colour marks a difference of 2.7 C (4.9 F).
Annual mean temperature at Porcupine Plain as warming stripes, 1966 to 1983
Year
Annual mean temperature
Difference from the station mean
1966
-1.1 C
-1.55 C
1967
-0.4 C
-0.82 C
1968
0.7 C
+0.31 C
1969
-0.1 C
-0.47 C
1970
-0.5 C
-0.90 C
1971
-0.1 C
-0.49 C
1973
1.0 C
+0.58 C
1974
0.1 C
-0.34 C
1975
0.5 C
+0.07 C
1976
1.1 C
+0.68 C
1977
1.7 C
+1.32 C
1978
0.1 C
-0.27 C
1979
-0.5 C
-0.93 C
1980
1.4 C
+0.95 C
1981
3.1 C
+2.67 C
1982
-0.7 C
-1.16 C
1983
0.8 C
+0.42 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
1953 to 1983
Yearly extremes at Porcupine Plain: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
37.0 C (98.6 F)
1980
32.8 C (91.0 F)
31
Coldest night (TNn)
-46.7 C (-52.1 F)
1966
-41.1 C (-42.0 F)
31
Wettest day (Rx1day)
57.7 mm (2.3 in)
1973
37.8 mm (1.5 in)
31
Wettest five days (Rx5day)
106.8 mm (4.2 in)
1960
60.7 mm (2.4 in)
31
Longest dry spell (CDD)
65 days
1980
25 days
31
Hottest day (TXx)
The hottest day of the year at Porcupine Plain, 1953 to 1983. The record is 37.0 C (98.6 F) in 1980, marked on the chart; the median year is 32.8 C (91.0 F).
Hottest day (TXx) at Porcupine Plain by year
Year
Hottest day (TXx)
1953
32.2 C (90.0 F)
1954
31.1 C (88.0 F)
1955
34.4 C (93.9 F)
1956
34.4 C (93.9 F)
1957
32.2 C (90.0 F)
1958
33.3 C (91.9 F)
1959
30.6 C (87.1 F)
1960
33.9 C (93.0 F)
1961
36.7 C (98.1 F)
1962
32.2 C (90.0 F)
1963
33.9 C (93.0 F)
1964
32.8 C (91.0 F)
1965
30.0 C (86.0 F)
1966
31.1 C (88.0 F)
1967
35.6 C (96.1 F)
1968
29.4 C (84.9 F)
1969
34.4 C (93.9 F)
1970
33.9 C (93.0 F)
1971
32.8 C (91.0 F)
1972
34.4 C (93.9 F)
1973
31.7 C (89.1 F)
1974
31.1 C (88.0 F)
1975
34.4 C (93.9 F)
1976
33.3 C (91.9 F)
1977
31.1 C (88.0 F)
1978
31.7 C (89.1 F)
1979
32.8 C (91.0 F)
1980
37.0 C (98.6 F)
1981
31.5 C (88.7 F)
1982
29.5 C (85.1 F)
1983
32.5 C (90.5 F)
Coldest night (TNn)
The coldest night of the year at Porcupine Plain, 1953 to 1983. The record is -46.7 C (-52.1 F) in 1966, marked on the chart; the median year is -41.1 C (-42.0 F).
Coldest night (TNn) at Porcupine Plain by year
Year
Coldest night (TNn)
1953
-40.6 C (-41.1 F)
1954
-45.0 C (-49.0 F)
1955
-39.4 C (-38.9 F)
1956
-42.8 C (-45.0 F)
1957
-42.2 C (-44.0 F)
1958
-38.9 C (-38.0 F)
1959
-37.8 C (-36.0 F)
1960
-36.7 C (-34.1 F)
1961
-42.2 C (-44.0 F)
1962
-46.1 C (-51.0 F)
1963
-38.9 C (-38.0 F)
1964
-38.3 C (-36.9 F)
1965
-41.1 C (-42.0 F)
1966
-46.7 C (-52.1 F)
1967
-43.9 C (-47.0 F)
1968
-41.1 C (-42.0 F)
1969
-43.9 C (-47.0 F)
1970
-38.9 C (-38.0 F)
1971
-42.2 C (-44.0 F)
1972
-41.1 C (-42.0 F)
1973
-42.8 C (-45.0 F)
1974
-42.2 C (-44.0 F)
1975
-36.7 C (-34.1 F)
1976
-38.3 C (-36.9 F)
1977
-42.8 C (-45.0 F)
1978
-40.6 C (-41.1 F)
1979
-43.3 C (-45.9 F)
1980
-39.0 C (-38.2 F)
1981
-38.0 C (-36.4 F)
1982
-43.0 C (-45.4 F)
1983
-42.0 C (-43.6 F)
Wettest day (Rx1day)
The wettest day of the year at Porcupine Plain, 1953 to 1983. The record is 57.7 mm (2.3 in) in 1973, marked on the chart; the median year is 37.8 mm (1.5 in).
Wettest day (Rx1day) at Porcupine Plain by year
Year
Wettest day (Rx1day)
1953
50.3 mm (2.0 in)
1954
34.5 mm (1.4 in)
1955
37.8 mm (1.5 in)
1956
33.5 mm (1.3 in)
1957
31.8 mm (1.3 in)
1958
28.4 mm (1.1 in)
1959
48.3 mm (1.9 in)
1960
57.2 mm (2.3 in)
1961
25.9 mm (1.0 in)
1962
31.5 mm (1.2 in)
1963
27.2 mm (1.1 in)
1964
52.1 mm (2.1 in)
1965
44.5 mm (1.8 in)
1966
31.5 mm (1.2 in)
1967
50.8 mm (2.0 in)
1968
41.4 mm (1.6 in)
1969
38.9 mm (1.5 in)
1970
33.3 mm (1.3 in)
1971
39.6 mm (1.6 in)
1972
26.9 mm (1.1 in)
1973
57.7 mm (2.3 in)
1974
55.9 mm (2.2 in)
1975
19.1 mm (0.8 in)
1976
41.1 mm (1.6 in)
1977
44.5 mm (1.8 in)
1978
20.3 mm (0.8 in)
1979
27.2 mm (1.1 in)
1980
46.0 mm (1.8 in)
1981
31.4 mm (1.2 in)
1982
52.4 mm (2.1 in)
1983
37.6 mm (1.5 in)
Wettest five days (Rx5day)
The wettest five days of the year at Porcupine Plain, 1953 to 1983. The record is 106.8 mm (4.2 in) in 1960, marked on the chart; the median year is 60.7 mm (2.4 in).
Wettest five days (Rx5day) at Porcupine Plain by year
Year
Wettest five days (Rx5day)
1953
77.3 mm (3.0 in)
1954
53.6 mm (2.1 in)
1955
50.8 mm (2.0 in)
1956
45.2 mm (1.8 in)
1957
33.5 mm (1.3 in)
1958
54.0 mm (2.1 in)
1959
98.3 mm (3.9 in)
1960
106.8 mm (4.2 in)
1961
42.9 mm (1.7 in)
1962
60.7 mm (2.4 in)
1963
51.4 mm (2.0 in)
1964
57.4 mm (2.3 in)
1965
91.2 mm (3.6 in)
1966
80.8 mm (3.2 in)
1967
86.4 mm (3.4 in)
1968
63.5 mm (2.5 in)
1969
64.8 mm (2.6 in)
1970
47.4 mm (1.9 in)
1971
59.1 mm (2.3 in)
1972
39.1 mm (1.5 in)
1973
99.2 mm (3.9 in)
1974
70.9 mm (2.8 in)
1975
38.4 mm (1.5 in)
1976
56.9 mm (2.2 in)
1977
67.3 mm (2.6 in)
1978
45.2 mm (1.8 in)
1979
43.2 mm (1.7 in)
1980
63.4 mm (2.5 in)
1981
64.8 mm (2.6 in)
1982
79.0 mm (3.1 in)
1983
87.8 mm (3.5 in)
Longest dry spell (CDD)
The longest dry spell of the year at Porcupine Plain, 1953 to 1983. The record is 65 days in 1980, marked on the chart; the median year is 25 days.
Longest dry spell (CDD) at Porcupine Plain by year
Year
Longest dry spell (CDD)
1953
27 days
1954
24 days
1955
20 days
1956
30 days
1957
20 days
1958
28 days
1959
38 days
1960
29 days
1961
38 days
1962
21 days
1963
25 days
1964
30 days
1965
40 days
1966
23 days
1967
35 days
1968
19 days
1969
24 days
1970
24 days
1971
20 days
1972
30 days
1973
23 days
1974
36 days
1975
29 days
1976
39 days
1977
25 days
1978
19 days
1979
20 days
1980
65 days
1981
24 days
1982
25 days
1983
22 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.
Download the Data
Data for Porcupine Plain standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Porcupine Plain 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.