![]() ![]() We reconstructed these averages to verify that we were using the proper methodology and then applied that methodology to the county-level monthly average dataset. These averages are specific to each county and month. NCEI references these averages as varieties of climate normals, we will reference these values as average. The NClimDiv database hosts multiple types of historical averages: 30-year averages starting from 1901, 1895-2010 average, and 20th century average, the latter is being used in this experience. Although presented side-by-side with the county-level averages, the Hawaiian data are station-specific averages and should not be considered representative of county-level climate. To provide a comprehensive account of climate across the United States, we supplemented the dataset with individual station data for each county in Hawaii. Those data exclude Hawaii because NCEI indicated county-level averages could not be constructed with the limited data and highly variable climate patterns of the Hawaiian Islands. We leveraged the county-level temperature and precipitation averages to showcase climatic anomalies in comparison to the 20th century average. Its NOAA Monthly US Climate Divisional Database (NClimDiv) 1 provides data for temperature, precipitation, drought indices, and heating and cooling degree days for US climate divisions, states, multi-state regions, and the nation from 1895 to the present. The National Centers for Environmental Information (NCEI), is a sub-bureau of the National Oceanic and Atmospheric Administration (NOAA). Some relief may come later this month, Nisbit said, as the summer ridge weakens and cooler air sets in for the season.Data Methodology Temperature and Precipitation Datasets Dataset Description “However, we probably warm up again weekend.” Then a cold front moves through, and that will cool our temperatures Thursday and Friday to near average for this time of year,” Nisbit said. “We will stay warm Tuesday and Wednesday. But the high pressure pattern that produced the record warmth in July and August is still hanging around, giving early September a decidedly summer-like feel. While many people consider the autumnal equinox the beginning of fall, for meteorologists, the season begins September 1. In three other Inland Northwest towns – Kellogg, Lind and Winthrop – July and August 2022 placed among the top-four warmest comparable periods on record. ![]() And in those cases, the old records were set just last year. “We did see some reprieve from that heat from time to time, but it was usually short-lived, and then we would warm up again,” Nisbit said.Ĭonsidering July and August together, Spokane and Lewiston reported record-warm averages. The culprit was a persistent high pressure ridge, sometimes called a “dome,” that set up over the Inland Northwest and rarely budged. That pattern pushed daily average temperatures up, which in turn raised the monthly average. “It’s rather difficult to create a new record like that.”ĭays were hot and nights were warm, which meant there was little overnight relief. “Considering the fact that records have been kept since 1881 for the Spokane area, it is fairly significant that we were almost a degree warmer for the month of August,” said National Weather Service meteorologist Laurie Nisbit. But the small numerical differences were historically significant: the new records in Spokane and Sandpoint, for example, toppled records set in 1915.Įight-tenths of a degree doesn’t sound like a lot, but it represents a lot of heat energy over a wide area. 8 degrees warmer than the previous record. The differences were relatively small – Spokane’s average monthly temperature of 76 degrees was. ![]() The National Weather Service’s Spokane forecast office said August 2022 was the warmest August on record for at least ten reporting stations, including Spokane, Omak, Bonners Ferry and Republic. Daily average temperatures in the Inland Northwest were hot in July and August – hot enough to establish new benchmarks for record warmth.
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