Record envelope, standing records and threshold days for Petersburg Wb City (USW00013738), West Virginia, United States, with 33 years of record.
Key Facts for Petersburg Wb City
Petersburg Wb City (USW00013738) is a weather station in West Virginia, United States at 39.00 latitude and -79.12 longitude, 308 m (1,010 ft) above sea level.
The station reports from 1939 to 1971, 33 years of record.
1,464 records set at Petersburg Wb City still stand.
Records are tracked for tmax, tmin, prcp, snow, snwd: an element needs 30 years of data to be eligible.
Petersburg Wb City set a monthly record daily snowfall of 21.6 cm (8.5 in) on 25 November 1971.
About the Station
Location: West Virginia, United States, 39.00 latitude, -79.12 longitude.
Elevation: 308 m (1,010 ft).
Period of record: 1939 to 1971, 33 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 Petersburg Wb City. 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 Petersburg Wb City, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
27.2 C (81.0 F)
-26.7 C (-16.1 F)
n/a
n/a
Feb
25.6 C (78.1 F)
-24.4 C (-11.9 F)
n/a
n/a
Mar
31.7 C (89.1 F)
-20.6 C (-5.1 F)
n/a
n/a
Apr
33.3 C (91.9 F)
-8.3 C (17.1 F)
n/a
n/a
May
36.1 C (97.0 F)
-5.6 C (21.9 F)
n/a
n/a
Jun
37.8 C (100.0 F)
0.0 C (32.0 F)
n/a
n/a
Jul
38.9 C (102.0 F)
5.0 C (41.0 F)
n/a
n/a
Aug
38.9 C (102.0 F)
3.9 C (39.0 F)
n/a
n/a
Sep
38.3 C (100.9 F)
-3.9 C (25.0 F)
n/a
n/a
Oct
35.0 C (95.0 F)
-9.4 C (15.1 F)
n/a
n/a
Nov
28.9 C (84.0 F)
-12.8 C (9.0 F)
n/a
n/a
Dec
25.0 C (77.0 F)
-25.6 C (-14.1 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Petersburg Wb City still stand. 1943 holds the most, with 64.
Standing records at Petersburg Wb City by the year they were set
Year set
Standing records
1939
58
1940
62
1941
56
1942
52
1943
64
1944
33
1945
55
1946
57
1947
57
1948
48
1949
48
1950
53
1951
40
1952
49
1953
37
1954
39
1955
49
1956
36
1957
39
1958
36
1959
34
1960
51
1961
40
1962
39
1963
48
1964
41
1965
55
1966
45
1967
36
1968
52
1969
25
1970
24
1971
6
All-Time Record Progression
1 new records
1 all-time records were set at Petersburg Wb City between 9 January 1970 and 9 January 1970. Each dot is a new record.
When Petersburg Wb City set new all-time records
Date
Kind
Detail
1970-01-09
Record low maximum temperature
Record low maximum temperature -13.3 C (8.1 F)
Wettest Day of Each Month
Jun: 165.1 mm (6.5 in)
The wettest day on record for each calendar month at Petersburg Wb City. The most was 165.1 mm (6.5 in) on 17 June 1949.
Record daily precipitation for each month at Petersburg Wb City
Month
Record daily precipitation (mm)
Date
Jan
38.1 mm (1.5 in)
14 January 1968
Feb
34.0 mm (1.3 in)
3 February 1939
Mar
46.2 mm (1.8 in)
20 March 1963
Apr
42.2 mm (1.7 in)
13 April 1948
May
47.2 mm (1.9 in)
6 May 1944
Jun
165.1 mm (6.5 in)
17 June 1949
Jul
80.0 mm (3.1 in)
11 July 1965
Aug
125.7 mm (4.9 in)
15 August 1949
Sep
65.8 mm (2.6 in)
17 September 1945
Oct
124.5 mm (4.9 in)
16 October 1954
Nov
47.5 mm (1.9 in)
21 November 1952
Dec
38.1 mm (1.5 in)
29 December 1967
Period of Record Coverage
1939 to 1971
Complete yearUnder 90 percent of days
33 years of record at Petersburg Wb City, 1939 to 1971. 2 years have data for under 90 percent of days and are left out of rankings: 1970, 1971.
Cooler than the station meanWarmer than the station mean
One stripe for each of 30 complete years at Petersburg Wb City, 1940 to 1969. Blue stripes are years cooler than the station's own mean of 12.2 C (53.9 F); red stripes are warmer. The coolest year was 1940, at 11.2 C (52.1 F), and the warmest was 1953, at 13.2 C (55.7 F). The strongest colour marks a difference of 1.0 C (1.8 F).
Annual mean temperature at Petersburg Wb City as warming stripes, 1940 to 1969
Year
Annual mean temperature
Difference from the station mean
1940
11.2 C
-0.98 C
1941
12.3 C
+0.17 C
1942
12.4 C
+0.27 C
1943
12.6 C
+0.41 C
1944
12.2 C
0.00 C
1945
12.2 C
-0.02 C
1946
12.5 C
+0.29 C
1947
11.9 C
-0.32 C
1948
11.9 C
-0.23 C
1949
13.0 C
+0.82 C
1950
11.7 C
-0.50 C
1951
12.1 C
-0.04 C
1952
12.6 C
+0.40 C
1953
13.2 C
+1.00 C
1954
12.5 C
+0.34 C
1955
12.7 C
+0.54 C
1956
12.6 C
+0.43 C
1957
12.8 C
+0.65 C
1958
11.3 C
-0.89 C
1959
13.0 C
+0.79 C
1960
11.6 C
-0.60 C
1961
12.1 C
-0.05 C
1962
11.6 C
-0.57 C
1963
11.4 C
-0.80 C
1964
12.3 C
+0.11 C
1965
12.6 C
+0.40 C
1966
11.6 C
-0.56 C
1967
11.7 C
-0.44 C
1968
12.1 C
-0.07 C
1969
11.8 C
-0.41 C
The fitted trend in annual mean temperature here over 1940 to 1969 is -0.1 C (-0.3 to 0.1) per decade. The interval includes zero, so the trend is not clearly different from zero. In Fahrenheit: -0.2 F (-0.6 to 0.2) 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 Petersburg Wb City
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
-0.1 C (-0.3 to 0.1) per decade
-0.2 F (-0.6 to 0.2) per decade
1940 to 1969
30
Not clearly different from zero
Mean daily maximum
-0.1 C (-0.4 to 0.2) per decade
-0.1 F (-0.6 to 0.4) per decade
1940 to 1969
30
Not clearly different from zero
Mean daily minimum
-0.1 C (-0.4 to 0.1) per decade
-0.3 F (-0.8 to 0.2) per decade
1940 to 1969
30
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
1939 to 1971
Yearly extremes at Petersburg Wb City: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
38.9 C (102.0 F)
1952
36.7 C (98.1 F)
33
Coldest night (TNn)
-26.7 C (-16.1 F)
1968
-19.4 C (-2.9 F)
33
Wettest day (Rx1day)
165.1 mm (6.5 in)
1949
49.3 mm (1.9 in)
33
Wettest five days (Rx5day)
335.9 mm (13.2 in)
1949
83.0 mm (3.3 in)
33
Longest dry spell (CDD)
33 days
1943
20 days
33
Hottest day (TXx)
The hottest day of the year at Petersburg Wb City, 1939 to 1971. The record is 38.9 C (102.0 F) in 1952, marked on the chart; the median year is 36.7 C (98.1 F).
Hottest day (TXx) at Petersburg Wb City by year
Year
Hottest day (TXx)
1939
36.7 C (98.1 F)
1940
36.7 C (98.1 F)
1941
37.8 C (100.0 F)
1942
36.7 C (98.1 F)
1943
36.1 C (97.0 F)
1944
37.8 C (100.0 F)
1945
37.8 C (100.0 F)
1946
36.1 C (97.0 F)
1947
37.2 C (99.0 F)
1948
37.2 C (99.0 F)
1949
35.6 C (96.1 F)
1950
34.4 C (93.9 F)
1951
37.2 C (99.0 F)
1952
38.9 C (102.0 F)
1953
38.9 C (102.0 F)
1954
38.9 C (102.0 F)
1955
37.2 C (99.0 F)
1956
35.0 C (95.0 F)
1957
37.8 C (100.0 F)
1958
34.4 C (93.9 F)
1959
36.7 C (98.1 F)
1960
35.0 C (95.0 F)
1961
35.6 C (96.1 F)
1962
36.7 C (98.1 F)
1963
35.6 C (96.1 F)
1964
37.2 C (99.0 F)
1965
36.7 C (98.1 F)
1966
38.3 C (100.9 F)
1967
35.0 C (95.0 F)
1968
37.2 C (99.0 F)
1969
37.2 C (99.0 F)
1970
35.6 C (96.1 F)
1971
28.3 C (82.9 F)
Coldest night (TNn)
The coldest night of the year at Petersburg Wb City, 1939 to 1971. The record is -26.7 C (-16.1 F) in 1968, marked on the chart; the median year is -19.4 C (-2.9 F).
Coldest night (TNn) at Petersburg Wb City by year
Year
Coldest night (TNn)
1939
-11.1 C (12.0 F)
1940
-21.7 C (-7.1 F)
1941
-15.6 C (3.9 F)
1942
-25.6 C (-14.1 F)
1943
-19.4 C (-2.9 F)
1944
-20.0 C (-4.0 F)
1945
-15.0 C (5.0 F)
1946
-21.7 C (-7.1 F)
1947
-16.1 C (3.0 F)
1948
-23.9 C (-11.0 F)
1949
-15.0 C (5.0 F)
1950
-15.6 C (3.9 F)
1951
-21.7 C (-7.1 F)
1952
-12.2 C (10.0 F)
1953
-11.7 C (10.9 F)
1954
-17.8 C (0.0 F)
1955
-20.6 C (-5.1 F)
1956
-15.0 C (5.0 F)
1957
-15.6 C (3.9 F)
1958
-19.4 C (-2.9 F)
1959
-15.6 C (3.9 F)
1960
-20.6 C (-5.1 F)
1961
-20.6 C (-5.1 F)
1962
-18.3 C (-0.9 F)
1963
-25.0 C (-13.0 F)
1964
-22.8 C (-9.0 F)
1965
-22.2 C (-8.0 F)
1966
-20.0 C (-4.0 F)
1967
-24.4 C (-11.9 F)
1968
-26.7 C (-16.1 F)
1969
-18.3 C (-0.9 F)
1970
-18.9 C (-2.0 F)
1971
-10.6 C (12.9 F)
Wettest day (Rx1day)
The wettest day of the year at Petersburg Wb City, 1939 to 1971. The record is 165.1 mm (6.5 in) in 1949, marked on the chart; the median year is 49.3 mm (1.9 in).
Wettest day (Rx1day) at Petersburg Wb City by year
Year
Wettest day (Rx1day)
1939
54.1 mm (2.1 in)
1940
56.4 mm (2.2 in)
1941
50.8 mm (2.0 in)
1942
80.0 mm (3.1 in)
1943
51.3 mm (2.0 in)
1944
47.2 mm (1.9 in)
1945
65.8 mm (2.6 in)
1946
38.4 mm (1.5 in)
1947
43.2 mm (1.7 in)
1948
53.6 mm (2.1 in)
1949
165.1 mm (6.5 in)
1950
49.3 mm (1.9 in)
1951
39.4 mm (1.6 in)
1952
47.5 mm (1.9 in)
1953
36.1 mm (1.4 in)
1954
124.5 mm (4.9 in)
1955
94.0 mm (3.7 in)
1956
39.4 mm (1.6 in)
1957
49.8 mm (2.0 in)
1958
55.9 mm (2.2 in)
1959
67.8 mm (2.7 in)
1960
48.8 mm (1.9 in)
1961
30.7 mm (1.2 in)
1962
44.5 mm (1.8 in)
1963
46.2 mm (1.8 in)
1964
31.8 mm (1.3 in)
1965
80.0 mm (3.1 in)
1966
54.4 mm (2.1 in)
1967
56.4 mm (2.2 in)
1968
40.6 mm (1.6 in)
1969
37.3 mm (1.5 in)
1970
25.4 mm (1.0 in)
1971
40.4 mm (1.6 in)
Wettest five days (Rx5day)
The wettest five days of the year at Petersburg Wb City, 1939 to 1971. The record is 335.9 mm (13.2 in) in 1949, marked on the chart; the median year is 83.0 mm (3.3 in).
Wettest five days (Rx5day) at Petersburg Wb City by year
Year
Wettest five days (Rx5day)
1939
94.5 mm (3.7 in)
1940
99.3 mm (3.9 in)
1941
76.4 mm (3.0 in)
1942
118.4 mm (4.7 in)
1943
102.6 mm (4.0 in)
1944
57.9 mm (2.3 in)
1945
93.4 mm (3.7 in)
1946
50.8 mm (2.0 in)
1947
44.7 mm (1.8 in)
1948
65.4 mm (2.6 in)
1949
335.9 mm (13.2 in)
1950
93.9 mm (3.7 in)
1951
92.5 mm (3.6 in)
1952
88.7 mm (3.5 in)
1953
49.1 mm (1.9 in)
1954
124.5 mm (4.9 in)
1955
111.8 mm (4.4 in)
1956
76.0 mm (3.0 in)
1957
60.4 mm (2.4 in)
1958
104.4 mm (4.1 in)
1959
76.1 mm (3.0 in)
1960
89.4 mm (3.5 in)
1961
47.0 mm (1.9 in)
1962
69.2 mm (2.7 in)
1963
61.4 mm (2.4 in)
1964
74.4 mm (2.9 in)
1965
83.0 mm (3.3 in)
1966
85.9 mm (3.4 in)
1967
143.7 mm (5.7 in)
1968
86.3 mm (3.4 in)
1969
56.6 mm (2.2 in)
1970
43.1 mm (1.7 in)
1971
54.6 mm (2.1 in)
Longest dry spell (CDD)
The longest dry spell of the year at Petersburg Wb City, 1939 to 1971. The record is 33 days in 1943, marked on the chart; the median year is 20 days.
Longest dry spell (CDD) at Petersburg Wb City by year
Year
Longest dry spell (CDD)
1939
25 days
1940
16 days
1941
25 days
1942
17 days
1943
33 days
1944
21 days
1945
14 days
1946
15 days
1947
20 days
1948
12 days
1949
14 days
1950
16 days
1951
21 days
1952
22 days
1953
22 days
1954
15 days
1955
21 days
1956
20 days
1957
27 days
1958
27 days
1959
17 days
1960
19 days
1961
15 days
1962
20 days
1963
29 days
1964
32 days
1965
25 days
1966
19 days
1967
22 days
1968
28 days
1969
19 days
1970
22 days
1971
17 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
30 years with a frost
Across 30 years with a frost, the median last spring frost at Petersburg Wb City falls on 27 April and the median first autumn frost on 6 October, which leaves a median of 165 days between them.
Fitted over all years, the growing season changes by +2.0 days per decade at this station.
Frost dates and growing season at Petersburg Wb City
Measure
Median, all years
Earliest period
Recent period (1940 to 1969)
Recent against earliest
Fitted trend
Last spring frost
27 April
n/a
27 April
n/a
+0.4 days per decade
First autumn frost
6 October
n/a
6 October
n/a
+2.4 days per decade
Growing days
165 days
n/a
165 days
n/a
+2.0 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
31 years, 1939 to 1969
A day with at least 48.8 mm (1.9 in) of rain is expected about once in 2 years. A day with at least 182.8 mm (7.2 in) of rain is expected about once in 100 years.
Rainfall return levels at Petersburg Wb City: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
48.8 mm (1.9 in)
5 years
67.0 mm (2.6 in)
10 years
84.1 mm (3.3 in)
25 years
113.9 mm (4.5 in)
50 years
144.0 mm (5.7 in)
Longer than the 31 years of record
100 years
182.8 mm (7.2 in)
Longer than the 31 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, 31 years of values from 1939 to 1969.
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: 165.1 mm (6.5 in) in 1949; 124.5 mm (4.9 in) in 1954; 94.0 mm (3.7 in) in 1955.
Download the Data
Data for Petersburg Wb City standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Petersburg Wb City 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.