Winter '18 / '19 - Season-total Snowfall Forecast Contest: DEC Totals

DEC-18 snowfall summary by Contest forecast station.
Rank ordered descending by percent of monthly period-of-record-normal (P-O-R-N).

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Green ==> 75th - 100th percentile
White ==> less than 75th and greater than 25th percentile (inter-quartile range)
Red ==> 0 - 25th percentile

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DEC Forecast Station Highlights
RDU
- DEC/s 8.9" was 1271% above its monthly P-O-R-N of 0.7"
- finished a full year's worth of work on the 9th and 10th by racking up 8.9"of storm-total snowfall  ... exceeding its annual P-O-R-N by 2.3".

RIC
- DEC/s 11.5" was 639% above its monthly P-O-R-N of 1.8" and contributed 91% toward its season-total P-O-R-N of 12.7".

ACY
- DEC/s 4.8" was 166% above its monthly P-O-R-N of 2.9" and 28% toward its season-total P-O-R-N of 17.3"

Biggest losers
DCA and BWI:  0"

Observed v P-O-R-N
BDL:  0.1" v 13.5"
ORH:  0.1" v 12.5"
ALB:  3.3" v 13.7"
CON:  3.4" v 13.7"
BGM:  7.9" v 18.2"
BTV:  8.6" v 18.8"

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Season-to-Date
DEC normally contributes 210.5" (23%) toward the season-total snowfall (D-J-F-M) of 914".
DEC-18 observed snowfall:  85.3" (9% of season-total snowfall)

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Teleconnection indexes and month-over tendency (updated as they become available)
AO:  +0.110 ⇧
NAO:  +0.61 ⇧
PDO:  pending
QBO: +8.05 ⇧
SOI:  +9.3 ⇧
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