Similar to Pond Inlet, there is a strong detectable trend in
annual air temperature at Nanisivik from 1977 to 2007. Analyses
have shown that temperatures have increased by 0.6°C every
10 years, which represents a gain of 1.8°C over the past 3
Nanisivik’s spring temperatures also showed strong increasing
tendencies over the last 30 years. The rate of increase for spring
air temperature is 0.9°C per decade, for a total of 2.7°C
over the last 30 years. Summer temperatures have shown strong
warming trends as well, increasing by an average of 0.7°C
every decade, for a total heat gain of 2.1°C over the last
30 years. Similar to Pond Inlet, fall air temperatures have shown
a dramatic warming trend. Temperatures have increasing by 1.2°C
every 10 years. This represents a gain of 3.6°C since 1977.
No trend was detectable for the winter.
Over the last 30 years, Nanisivik experienced a strong increasing
trend in summer rainfall. This trend showed a rate of increase
of 20.5 mm of summer rainfall per decade. For snowfall, spring
precipitation demonstrated a strong increasing trend (17.6 cm
of snow every 10 years) while winter precipitation showed a weak
increase of 3.8 cm every decade. No detectable trend was observed
for the fall snowfall.