We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. We assume no responsibility for any decisions made on the basis of the content presented on this site. Weather data is prone to errors, outages, and other defects. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Time zones for airports and weather stations are provided by. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database. Land Use data comes from the Global Land Cover SHARE database, published by the Food and Agriculture Organization of the United Nations.Įlevation data comes from the Shuttle Radar Topography Mission (SRTM), published by NASA's Jet Propulsion Laboratory. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.Īll data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition, by Jean Meeus.Īll other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis. To get a sense of how much these sources agree with each other, you can view a comparison of Walla Walla and the stations that contribute to our estimates of its temperature history and climate. Tri-Cities Airport (KPSC, 4.3%, 40 mi, west, -531 ft elevation change).Meacham, Meacham (KMEH, 2.2%, 38 mi, south, 2,782 ft elevation change).Eastern Oregon Regional Airport (KPDT, 5%, 35 mi, southwest, 545 ft elevation change).Walla Walla Regional Airport (KALW, 88%, 3.4 mi, northeast, 226 ft elevation change).The stations contributing to this reconstruction are: The estimated value at Walla Walla is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Walla Walla and a given station. There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Walla Walla.įor each station, the records are corrected for the elevation difference between that station and Walla Walla according to the International Standard Atmosphere, and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. This could put a damper on friends and visitors who had come to watch their child or relative graduate, but the gym can only hold so many people.This report illustrates the typical weather in Walla Walla, based on a statistical analysis of historical hourly weather reports and model reconstructions from Januto December 31, 2016. In addition, after 1 PM Friday additional details will be released from the District. for “Senior Staging” before the ceremony. Seniors will report to the Small Gym at 6 p.m.Family and friends may also view the live stream of the graduation ceremony from the comfort of their own home - or wahi.link/watchgrad.These seats will be available on a first come, first serve basis. The Commons and Auditorium will provide additional space to view the video stream of the graduation ceremony for guests who do not have a ticket for the Large Gym.Each senior will receive 6 (six) tickets for family members or friends to attend the in-person ceremony.Seniors will have graduation rehearsal in the large gym beginning at 12 p.m.Information released by the District included:
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