RDU individual 6"+ SN/IP storms
In addition to my taking out 2/2015 thanks to 1300m's valuable help in telling me it was from two storms, I'm also taking out 1/1982 for the same reason. Also, I decided to go back to 1886-7. I found 44 6"+ storms over a period of 131 years or an average of 1 every 3 years. Prior to 1950, the rate was a bit higher with 1 every 2.6 years. Since 1950, the rate has been a bit lower with 1 every 3.5 years. When starting with the active 1980s, the rate has actually been even lower at 1 every 4.2 years. Since the 1990s, it has been a mere 1 every 7 years!
# of 6"+ SN/IP RDU for FULL decades:
1890s: 5
1900s: 1
1910s: 5
1920s: 4
1930s: 6
1940s: 3
1950s: 2
1960s: 6
1970s: 2
1980s: 5
1990s: 0
2000s: 3
# of winters with two 6"+ storms: 5 (1898-9, 1926-7, 1935-6, 1947-8, 1959-60) but none since 1959-60!
# of months with two: 2 (2/1948, 3/1960)
# by month:
Dec: 7
Jan: 12
Fab Feb: 16
Mar: 8
Apr: 1