we never know the exact date in any given year until well after it has passed. What we can know in advance is what the historical chances of freezing temperatures are on any given day based on past cl ...

global temperatures haven't been cooler than the 20th-century average since the mid-1970s. In many ways, the global precipitation patterns in January 2022 were consistent with the typical pattern that ...

largely too soon to tell. When you take an already highly variable phenomenon like rainfall, add in uncertain regional climate change impacts, and factor in the sparse data record, it gets difficult t ...

High Plains, northern Intermountain West, and the Northeast. The forecast predicts an increase in ridging, or high pressure, across the northern tier, which not only helps to increase the odds favorin ...

the planet's long-term warming trend, nine of the ten warmest Septembers on record have occurred in the past decade. The last time the global average temperature in September was cooler than average w ...

a topic for another day. The PNA can be affected by other climate patterns, but, as Michelle says in her earlier post, "a large chunk of the PNA is internally driven." This means that apparently rando ...

Climate. gov has made a poster-size image showing global temperature patterns for every year in the new data set. Each year's annual average temperature is compared to the 1991-2020 average, which mak ...

the Midwest fell from 10% of the region in late March to 1-2% in late April due to spring rains. In some additional good news on the drought outlook front, for May, drought improvement or even removal ...

F) for the Lower 48 U. S. states, which 0.1 °F below the 20th-century average. That ranks in the middle third of the 128-year period of record. In Alaska, the temperature was warmer than average but n ...

phase of the El Niño-Southern Oscillation climate pattern. Although the phenomenon is anchored in the tropical Pacific, it has long-distance influences on the atmospheric circulation that change where ...