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2025 Hazard Mitigation Plan <br />Kittitas County, Washington <br /> <br /> <br />Chapter 3: Community Profile 23 <br />rates from one area to another, as well as the character of rivers in different drainages, which influence <br />flooding and land use potential. <br /> <br />Approximately 66% of the County’s precipitation, mostly in the form of snow, occurs between October <br />and April. In the winter, considerable snow accumulates in higher elevations. In the Kittitas Valley, the <br />snow season generally ranges from November through February, with significant variation from one <br />season to the next. Summers in Kittitas County tend to be dry.14F <br />15 The monthly climate summary, based <br />on the Ellensburg, WA weather station, is listed in Table 3-1. <br />Table 3-1. Kittitas County Monthly Climate Summary (1893 – 2023) <br />Ellensburg, WA Station <br />Average Daily Temperature15F <br />16 (° F) <br />Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec Annual <br />26.7 32.2 40.5 47.7 55.6 62.1 68.7 67.6 58.9 48.0 36.3 28.2 47.4 <br />Average Maximum Temperature16F <br />17 (° F) <br />Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec Annual <br />34.4 41.6 52.7 61.4 69.3 75.9 84.1 83.6 74.5 62.0 45.7 35.5 59.7 <br />Average Minimum Temperature17F <br />18 (° F) <br />Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec Annual <br />18.9 22.8 28.4 34.0 41.9 48.4 53.2 51.7 43.2 34.0 26.9 20.8 35.1 <br />Average Total Precipitation18F <br />19 (inches) <br />Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec Total <br />0.04 0.03 0.02 0.02 0.02 0.02 0.01 0.01 0.02 0.02 0.04 0.05 0.77 <br />Average Total Snowfall19F <br />20 (inches) <br />Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec Total <br />0.3 0.2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.1 0.3 0.9 <br /> <br /> <br />15 Kittitas County. (2018). Community Wildfire Protection Plan. Retrieved from <br />https://www.dnr.wa.gov/publications/rp_burn_cwpp_kittitasco.pdf. <br />16 National Oceanic and Atmospheric Administration. (2023). NOWData – NOAA Online Weather Data (Monthly <br />Mean Average Temperature for Ellensburg, WA). Retrieved from https://www.weather.gov/wrh/climate?wfo=pdt. <br />17 National Oceanic and Atmospheric Administration. (2023). NOWData – NOAA Online Weather Data (Monthly <br />Mean Max Temperature for Ellensburg, WA). Retrieved from https://www.weather.gov/wrh/climate?wfo=pdt. <br />18 National Oceanic and Atmospheric Administration. (2023). NOWData – NOAA Online Weather Data (Monthly <br />Mean Min Temperature for Ellensburg, WA). Retrieved from https://www.weather.gov/wrh/climate?wfo=pdt. <br />19 National Oceanic and Atmospheric Administration. (2023). NOWData – NOAA Online Weather Data (Monthly <br />Sum Precipitation for Ellensburg, WA). Retrieved from https://www.weather.gov/wrh/climate?wfo=pdt. <br />20 National Oceanic and Atmospheric Administration. (2023). NOWData – NOAA Online Weather Data (Monthly <br />Sum Precipitation for Ellensburg, WA). Retrieved from https://www.weather.gov/wrh/climate?wfo=pdt.