Perhaps the biggest record to fall was the number of 90 degree or greater days, a whopping 29 days, 17 more than average. The lure of rivers, lakes and swimming holes sent drowning deaths to 36 in the region between Memorial Day and Labor Day, the highest number in nearly a decade. Portland Average Rainfall and Temperatures Below you will find information about Portland rainfall and continue reading from World Climate. Average Rainfall — Located at about Average Temperature — Located at about Heating Degree Days — The cumulative number of degrees in a month or year by which the mean temperature falls below Data from Portland How many inches of rain does salem oregon get a year Airport.

Cooling Degree Days — The https://nda.or.ug/wp-content/review/transportation/how-to-make-youtube-channel-viral.php number of degrees in a month or year by which the mean temperature is above According to the National Weather Service, winter precipitation in Portland falls mostly as rain, with an average of four days with measurable snow. Accumulations rarely exceed two inches and melts rapidly especially if it rains after the snow shower. High temperatures for December through February average in the upper 40s, with lows in mids.

The 3-month period averages Here are some of the factors mixed with general information that create the weather in Portland. Air Flow Air that crosses the Coast Range cools as it moves east, dropping a large amount of precipitation on the coastal mountains. The air that flows over Portland is drier than the air that originally moved in from the ocean. Winds are predominately southerly during with mild, rainy spells in the winter. In the winter, the cold easterly winds also bring the coldest air to the Portland area. During the summers, northwesterly winds bring cool air from the Pacific Ocean down along the Columbia River.

Rain The lush conifer forests that flourish in Western Oregon receive most of the moisture from the storms that roll in off the Pacific Ocean. Portland receives the remaining moisture and Eastern Oregon very little. Many areas in the Coast Range receive between inches of rain per year. Average rainfalls for coastal more info is inches per year. Based on data from ski resorts and a few official weather stations, average annual snowfall in the Cascades can range from to inches to 1, cm. On the other hand, most winter precipitation in the Coast Range falls as rain, though heavy snow sometimes occurs.

Snow depths, which vary with elevation and time of year, average an estimated 50 to inches to cm in the Cascades and 25 to 65 inches 64 to cm in the Blue Mountains at the end of January; by the end of April, they diminish to 40 to inches to cm in the Cascades and 5 to 45 inches 13 to cm in the Blues. Glaciers remain year-round on some Cascade peaks higher than 7, feet 2, m above sea level. Further inland, between the Coast Range and the Cascades, snowfall generally averages from 5 to 10 inches 13 to 25 cm a year.

East of the Cascades, in non-mountain settings, the annual totals range from 15 to 75 inches 38 to cmdepending on location; they are smallest in the north-central region and the Snake River basin in the southeast and largest in the northeastern valleys and in the high plateaus of the south-central part of the state.

February: Everyone remembers those floods. We got March: 2. If the remainder of year has normal rainfall amounts we project a final rainfall for the year of about 65 inches, which will be close to last years record. October: 4. This now brings the yearly total to 50 inches. Another way to look at this is to say we got approximately 58 inches of rain in Jan,Feb,Oct,Dec.

So many large rain events in one year is what is unprecedented. Is this statistical fluctuation, part of a return to a wet cycle where in the data can you identify events like these in the past? I will leave this as a question for now and will return to adding to this page later.

Corrections to the data In a new automated rain gauge was installed at the Eugene airport. During heavy rains, apparently, the rain gauge does not empty itself fast enough to properly record the data.

How many inches of rain does salem oregon get a year Video

Portland Oregon Weather - How Much does it Rain in Portland

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