Record envelope, standing records and threshold days for Stoystown (USC00368560), Pennsylvania, United States, with 32 years of record.
Key Facts for Stoystown
Stoystown (USC00368560) is a weather station in Pennsylvania, United States at 40.10 latitude and -78.95 longitude, 549 m (1,801 ft) above sea level.
The station reports from 1961 to 1992, 32 years of record.
1,464 records set at Stoystown still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Stoystown tied a daily record high maximum temperature of 29.4 C (84.9 F) on 18 May 1992.
About the Station
Location: Pennsylvania, United States, 40.10 latitude, -78.95 longitude.
Elevation: 549 m (1,801 ft).
Period of record: 1961 to 1992, 32 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 Stoystown. 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 Stoystown, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
20.0 C (68.0 F)
-30.6 C (-23.1 F)
n/a
n/a
Feb
19.4 C (66.9 F)
-25.0 C (-13.0 F)
n/a
n/a
Mar
27.2 C (81.0 F)
-22.8 C (-9.0 F)
n/a
n/a
Apr
31.7 C (89.1 F)
-12.8 C (9.0 F)
n/a
n/a
May
30.6 C (87.1 F)
-5.6 C (21.9 F)
n/a
n/a
Jun
33.3 C (91.9 F)
-2.2 C (28.0 F)
n/a
n/a
Jul
36.7 C (98.1 F)
1.7 C (35.1 F)
n/a
n/a
Aug
33.9 C (93.0 F)
-0.6 C (30.9 F)
n/a
n/a
Sep
33.9 C (93.0 F)
-5.6 C (21.9 F)
n/a
n/a
Oct
26.7 C (80.1 F)
-11.7 C (10.9 F)
n/a
n/a
Nov
24.4 C (75.9 F)
-17.2 C (1.0 F)
n/a
n/a
Dec
22.2 C (72.0 F)
-26.7 C (-16.1 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Stoystown still stand. 1967 holds the most, with 70.
Standing records at Stoystown by the year they were set
Year set
Standing records
1961
34
1962
56
1963
57
1964
49
1965
68
1966
56
1967
70
1968
50
1969
26
1970
48
1971
44
1972
40
1973
37
1974
33
1975
41
1976
61
1977
61
1978
31
1979
52
1980
30
1981
39
1982
49
1983
45
1984
57
1985
26
1986
35
1987
32
1988
64
1989
51
1990
49
1991
63
1992
10
Wettest Day of Each Month
Jun: 70.6 mm (2.8 in)
The wettest day on record for each calendar month at Stoystown. The most was 70.6 mm (2.8 in) on 20 June 1983.
Record daily precipitation for each month at Stoystown
Month
Record daily precipitation (mm)
Date
Jan
39.4 mm (1.6 in)
22 January 1982
Feb
38.1 mm (1.5 in)
4 February 1972
Mar
48.0 mm (1.9 in)
6 March 1967
Apr
59.9 mm (2.4 in)
21 April 1964
May
67.3 mm (2.6 in)
24 May 1979
Jun
70.6 mm (2.8 in)
20 June 1983
Jul
61.5 mm (2.4 in)
8 July 1980
Aug
69.9 mm (2.8 in)
7 August 1976
Sep
63.5 mm (2.5 in)
14 September 1971
Oct
47.2 mm (1.9 in)
29 October 1973
Nov
38.6 mm (1.5 in)
28 November 1987
Dec
59.4 mm (2.3 in)
2 December 1974
Period of Record Coverage
1961 to 1992
Complete yearUnder 90 percent of days
32 years of record at Stoystown, 1961 to 1992. 2 years have data for under 90 percent of days and are left out of rankings: 1961, 1992.
Cooler than the station meanWarmer than the station mean
One stripe for each of 28 complete years at Stoystown, 1962 to 1991. Blue stripes are years cooler than the station's own mean of 7.9 C (46.2 F); red stripes are warmer. The coolest year was 1988, at 6.7 C (44.0 F), and the warmest was 1991, at 9.9 C (49.9 F). The strongest colour marks a difference of 2.1 C (3.8 F).
Annual mean temperature at Stoystown as warming stripes, 1962 to 1991
Year
Annual mean temperature
Difference from the station mean
1962
7.8 C
-0.10 C
1964
8.4 C
+0.49 C
1965
8.4 C
+0.51 C
1966
7.2 C
-0.74 C
1967
6.9 C
-0.99 C
1968
6.9 C
-1.00 C
1969
7.5 C
-0.43 C
1970
8.4 C
+0.53 C
1972
7.7 C
-0.19 C
1973
8.9 C
+1.03 C
1974
8.3 C
+0.42 C
1975
8.6 C
+0.72 C
1976
7.6 C
-0.25 C
1977
8.0 C
+0.10 C
1978
7.2 C
-0.71 C
1979
7.6 C
-0.34 C
1980
7.4 C
-0.50 C
1981
6.8 C
-1.07 C
1982
7.8 C
-0.09 C
1983
8.2 C
+0.26 C
1984
7.9 C
+0.02 C
1985
8.3 C
+0.38 C
1986
8.2 C
+0.26 C
1987
7.8 C
-0.09 C
1988
6.7 C
-1.22 C
1989
7.4 C
-0.47 C
1990
9.4 C
+1.50 C
1991
9.9 C
+2.03 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
1961 to 1992
Yearly extremes at Stoystown: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
36.7 C (98.1 F)
1988
31.7 C (89.1 F)
32
Coldest night (TNn)
-30.6 C (-23.1 F)
1982
-23.3 C (-9.9 F)
32
Wettest day (Rx1day)
70.6 mm (2.8 in)
1983
44.1 mm (1.7 in)
32
Wettest five days (Rx5day)
121.9 mm (4.8 in)
1967
77.2 mm (3.0 in)
32
Longest dry spell (CDD)
27 days
1964
13 days
32
Hottest day (TXx)
The hottest day of the year at Stoystown, 1961 to 1992. The record is 36.7 C (98.1 F) in 1988, marked on the chart; the median year is 31.7 C (89.1 F).
Hottest day (TXx) at Stoystown by year
Year
Hottest day (TXx)
1961
31.7 C (89.1 F)
1962
32.8 C (91.0 F)
1963
32.2 C (90.0 F)
1964
33.9 C (93.0 F)
1965
33.9 C (93.0 F)
1966
33.9 C (93.0 F)
1967
31.1 C (88.0 F)
1968
29.4 C (84.9 F)
1969
32.2 C (90.0 F)
1970
30.6 C (87.1 F)
1971
31.7 C (89.1 F)
1972
30.6 C (87.1 F)
1973
32.8 C (91.0 F)
1974
30.0 C (86.0 F)
1975
33.3 C (91.9 F)
1976
31.7 C (89.1 F)
1977
32.2 C (90.0 F)
1978
30.6 C (87.1 F)
1979
30.0 C (86.0 F)
1980
32.2 C (90.0 F)
1981
29.4 C (84.9 F)
1982
29.4 C (84.9 F)
1983
33.9 C (93.0 F)
1984
31.1 C (88.0 F)
1985
30.6 C (87.1 F)
1986
31.1 C (88.0 F)
1987
33.9 C (93.0 F)
1988
36.7 C (98.1 F)
1989
30.6 C (87.1 F)
1990
32.2 C (90.0 F)
1991
33.9 C (93.0 F)
1992
29.4 C (84.9 F)
Coldest night (TNn)
The coldest night of the year at Stoystown, 1961 to 1992. The record is -30.6 C (-23.1 F) in 1982, marked on the chart; the median year is -23.3 C (-9.9 F).
Coldest night (TNn) at Stoystown by year
Year
Coldest night (TNn)
1961
-16.7 C (1.9 F)
1962
-23.3 C (-9.9 F)
1963
-28.3 C (-18.9 F)
1964
-22.8 C (-9.0 F)
1965
-22.2 C (-8.0 F)
1966
-23.9 C (-11.0 F)
1967
-20.0 C (-4.0 F)
1968
-23.3 C (-9.9 F)
1969
-20.6 C (-5.1 F)
1970
-22.2 C (-8.0 F)
1971
-23.3 C (-9.9 F)
1972
-25.0 C (-13.0 F)
1973
-21.7 C (-7.1 F)
1974
-15.0 C (5.0 F)
1975
-21.7 C (-7.1 F)
1976
-21.7 C (-7.1 F)
1977
-26.7 C (-16.1 F)
1978
-21.7 C (-7.1 F)
1979
-23.9 C (-11.0 F)
1980
-21.7 C (-7.1 F)
1981
-25.0 C (-13.0 F)
1982
-30.6 C (-23.1 F)
1983
-25.6 C (-14.1 F)
1984
-26.7 C (-16.1 F)
1985
-30.0 C (-22.0 F)
1986
-22.2 C (-8.0 F)
1987
-23.3 C (-9.9 F)
1988
-23.9 C (-11.0 F)
1989
-26.7 C (-16.1 F)
1990
-23.3 C (-9.9 F)
1991
-18.9 C (-2.0 F)
1992
-20.0 C (-4.0 F)
Wettest day (Rx1day)
The wettest day of the year at Stoystown, 1961 to 1992. The record is 70.6 mm (2.8 in) in 1983, marked on the chart; the median year is 44.1 mm (1.7 in).
Wettest day (Rx1day) at Stoystown by year
Year
Wettest day (Rx1day)
1961
36.8 mm (1.4 in)
1962
54.6 mm (2.1 in)
1963
36.1 mm (1.4 in)
1964
59.9 mm (2.4 in)
1965
40.6 mm (1.6 in)
1966
40.1 mm (1.6 in)
1967
48.0 mm (1.9 in)
1968
29.7 mm (1.2 in)
1969
43.7 mm (1.7 in)
1970
50.8 mm (2.0 in)
1971
63.5 mm (2.5 in)
1972
50.8 mm (2.0 in)
1973
47.2 mm (1.9 in)
1974
59.4 mm (2.3 in)
1975
60.5 mm (2.4 in)
1976
69.9 mm (2.8 in)
1977
30.2 mm (1.2 in)
1978
28.7 mm (1.1 in)
1979
67.3 mm (2.6 in)
1980
61.5 mm (2.4 in)
1981
49.0 mm (1.9 in)
1982
39.4 mm (1.6 in)
1983
70.6 mm (2.8 in)
1984
44.5 mm (1.8 in)
1985
46.2 mm (1.8 in)
1986
40.9 mm (1.6 in)
1987
38.6 mm (1.5 in)
1988
33.5 mm (1.3 in)
1989
35.8 mm (1.4 in)
1990
38.1 mm (1.5 in)
1991
34.8 mm (1.4 in)
1992
26.4 mm (1.0 in)
Wettest five days (Rx5day)
The wettest five days of the year at Stoystown, 1961 to 1992. The record is 121.9 mm (4.8 in) in 1967, marked on the chart; the median year is 77.2 mm (3.0 in).
Wettest five days (Rx5day) at Stoystown by year
Year
Wettest five days (Rx5day)
1961
56.4 mm (2.2 in)
1962
85.4 mm (3.4 in)
1963
75.7 mm (3.0 in)
1964
78.7 mm (3.1 in)
1965
43.4 mm (1.7 in)
1966
55.1 mm (2.2 in)
1967
121.9 mm (4.8 in)
1968
62.6 mm (2.5 in)
1969
72.2 mm (2.8 in)
1970
117.4 mm (4.6 in)
1971
101.4 mm (4.0 in)
1972
105.9 mm (4.2 in)
1973
73.5 mm (2.9 in)
1974
87.9 mm (3.5 in)
1975
110.7 mm (4.4 in)
1976
88.7 mm (3.5 in)
1977
48.1 mm (1.9 in)
1978
65.2 mm (2.6 in)
1979
107.0 mm (4.2 in)
1980
105.9 mm (4.2 in)
1981
99.3 mm (3.9 in)
1982
56.6 mm (2.2 in)
1983
96.7 mm (3.8 in)
1984
81.6 mm (3.2 in)
1985
83.3 mm (3.3 in)
1986
87.1 mm (3.4 in)
1987
74.8 mm (2.9 in)
1988
59.4 mm (2.3 in)
1989
62.7 mm (2.5 in)
1990
71.0 mm (2.8 in)
1991
55.1 mm (2.2 in)
1992
43.9 mm (1.7 in)
Longest dry spell (CDD)
The longest dry spell of the year at Stoystown, 1961 to 1992. The record is 27 days in 1964, marked on the chart; the median year is 13 days.
Longest dry spell (CDD) at Stoystown by year
Year
Longest dry spell (CDD)
1961
13 days
1962
18 days
1963
15 days
1964
27 days
1965
13 days
1966
14 days
1967
15 days
1968
16 days
1969
14 days
1970
8 days
1971
9 days
1972
14 days
1973
13 days
1974
12 days
1975
11 days
1976
13 days
1977
18 days
1978
12 days
1979
18 days
1980
12 days
1981
13 days
1982
13 days
1983
13 days
1984
15 days
1985
20 days
1986
11 days
1987
15 days
1988
17 days
1989
11 days
1990
13 days
1991
11 days
1992
6 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
28 years with a frost
Across 28 years with a frost, the median last spring frost at Stoystown falls on 10 May and the median first autumn frost on 26 September, which leaves a median of 148 days between them.
Fitted over all years, the growing season changes by -9.8 days per decade at this station.
Frost dates and growing season at Stoystown
Measure
Median, all years
Earliest period
Recent period (1962 to 1991)
Recent against earliest
Fitted trend
Last spring frost
10 May
n/a
10 May
n/a
+5.2 days per decade
First autumn frost
26 September
n/a
26 September
n/a
-4.6 days per decade
Growing days
148 days
n/a
148 days
n/a
-9.8 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 Stoystown standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Stoystown 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.