PBZ issues Public Information Statement (PNS) at Dec 17, 2:44 PM EST ...PITTSBURGH CHRISTMAS WEATHER STATISTICS...266
NOUS41 KPBZ 171944
PNSPBZ
PAZ021-180745-
PUBLIC INFORMATION STATEMENT
National Weather Service PITTSBURGH PA
244 PM EST Tue Dec 17 2024
...PITTSBURGH CHRISTMAS WEATHER STATISTICS...
Top 10 Christmas Snowfalls (climate records 1880-present):
1 2020 / 5.1"
2. 1909, 1935 / 3.5"
3. 1890 / 3.0"
4. 1902 / 2.5"
5. 1917 / 2.0"
6. 1993, 1950 / 1.9"
7. 2002 / 1.8"
8. 1892 / 1.5"
9. 2017, 1995, 1970 / 1.4"
10. 1969, 1925, 1913 / 1.2"
Christmas snowfall over the last 10 years:
2023: 0"
2022: 0.1"
2021: 0"
2020: 5.1"
2019: 0"
2018: 0"
2017: 1.4"
2016: 0"
2015: Trace
2014: Trace
--------------------------------------------------
Christmas Snow Facts:
Daily snowfall amounts of at least 0.1" were observed on 34% of
Christmases between 1880 and 2023.
Daily snowfall amounts of at least 1" were observed on 14% of
Christmases between 1880 and 2023.
From 1880 to 2023:
64 Christmases had zero snowfall (44%)
32 Christmases had a trace of total snowfall (22%)
28 Christmases had between a trace and 1" of total snowfall (20%)
20 Christmases had at least 1" of snowfall (14%)
------------------
The official definition of a White Christmas is: "One inch of snow on
the ground at 7am on December 25th." The snow does not have to fall
on December 25th. Snow depth is officially measured only once a day
at 7am. The official snow observation site for Pittsburgh currently
is located at the National Weather Service Pittsburgh office in
Moon, PA.
By this definition, since snow depth records began in 1949, there
have been 23 White Christmases. The last White Christmas was in 2022.
The longest stretch of time where there was a White Christmas was 5
years: 1959 through 1963. The longest stretch of time where there
was not a White Christmas was 8 years: from 1951 through 1958.
The highest snow depth on Christmas occurred in 1963, with a snow
depth of 7".
------------------
The warmest Christmas was in 1895; the high was 67 degrees
Fahrenheit.
The coldest Christmas was in 1983; the high was 0 degrees
Fahrenheit and the low was -12 degrees Fahrenheit.
The average maximum temperature for Christmas is 37.7 degrees Fahrenheit.
The average minimum temperature for Christmas is 24.4 degrees Fahrenheit.
The wettest Christmas was in 1944; 1.07" of precipitation fell.
$$
SKH
Source:
PBZ issues Public Information Statement (PNS) at Dec 17, 2:44 PM EST ...PITTSBURGH CHRISTMAS WEATHER STATISTICS...---------------
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