![]() The fourth chart down depicts daily rainfall, as high as 5.02 inches (), the fifth (when applicable) shows snowfall, as high as 20.0 inches (), and the sixth (when applicable) snow depth, as high as 21 inches (). ![]() Through 2017, the most extreme z-score was -4.95 z, for. Standardized anomalies are calculated by dividing the arithmetic anomaly by the climatological mean temperature standard deviation for the calendar day in question, creating “z-scores”. The third chart down shows the second chart’s departures in deseasonalized or “standardized” form. (Note: Clicking on the floating-bar charts a second time after they appear on the screen will enlarge them even further). In the entire series, the most extreme departure of either sign is -31 F on (associated with a daily maximum: 20 F and daily minimum: 0 F) Vertical lines extending upward from the zero line indicate above average means for the day (colored red), those extending downward indicate below average daily means (colored blue). The second chart down shows the arithmetic departures of day-to-day mean temperatures less the corresponding 1948-present calendar-day average means. The same is repeated for the second and third charts below. The bars depict the varying diurnal, synoptic, long-wave, and seasonal influences on temperature over time, and for effect they are deliberately adjoined with no spaces in-between, lending an enhanced “signature” look, so to speak, to the time-series. ![]() Superimposed are two line traces, the upper one connecting 1948 to present mean daily maxima, the lower one 1948 to present mean daily minima. Each bar represents an individual day’s temperature range. The uppermost graph below displays “floating-bars” of the daily maxima and minima. K-Means Clustering Analysis of Seattle/Tacoma Diurnal Resultant Wind Patterns.Seattle Annual Warmest Heat Index Temperatures ().Seattle Annual Coldest Wind Chill Temperatures ().Seattle Percent Frequencies with Cloud Ceilings & Median Ceilings’ Heights.Seattle Overall Mean Scalar Wind Speeds & Extreme Highest Sustained (99th Percentile Level.Seattle Prevailing 8-Point Compass Wind Directions, Frequencies, and Mean Speeds.Seattle Mean Vector Wind Directions, Speeds, and Constancies.Seattle Mean and Lower 1st Percentile Relative Humidities by Month/Hour.Seattle Mean, Lower 1st Percentile, and Upper 99th Percentile Hour-By-Month Temperatures + Stdv’s and Skewness Coeff’s. ![]() Seattle Average Daily Temperature Ranges (1948-2017)īoxplot of Seattle Mean Monthly Precipitation Distributions.TEMPERATURE AND RAINFALL CLIMATOLOGIES: ANNUAL TEMPERATURE AND RAINFALL TIME-SERIES: ![]()
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