Unbaked Alaska: "...lingering winter that’s clearly overstayed its welcome; certainly, 2013 is a once-every-few-decades kind of spring, as far as persistently low temperatures"

Alaska Rivers Remain Iced Up; Flood Danger Still Moderate | Alaska Dispatch

Rivers across Alaska, including the Yukon and Kuskokwim, which flow through or near many towns and villages, remain frozen due to a lingering winter that’s clearly overstayed its welcome.
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“Certainly, 2013 is a once-every-few-decades kind of spring, as far as persistently low temperatures,” [climatologist Rick Thoman] said. “It’s not completely unprecedented, say outside the realm of what’s happened in the last century, but it’s only happened a handful of times.”
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Perhaps the only positive to the season is its effect on the wildfire season. The 2013 wildfire season is off to a sluggish start, and the state isn't likely to burst into flames anytime soon. According to the Alaska Interagency Coordination Center, May has a lower-than-normal fire potential due to Alaska’s stubborn winter.

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US National Weather Service Alaska
April 2013 was among the coldest Aprils in the past 74 years over much of Alaska. Looking back even further, in the eastern Interior this was generally the coldest April since 1924. In central and northern Southeast this was the coolest April since 1972, while in South Central for many places this was the coolest April since 1985.