SSI membership includes: ·        Unlimited access to comfort zone charts and figures! ADDED ·        Both dew point and humidity options for SSI readout! ADDED ·        Direct link to current, local, national, and international weather information         for SSI determination!  ADDED ·        Step by step presentation of the development of the index to clarify the           technical article! COMING SOON ·        How Hot is It? COMING SOON ·        Comparison of Temperature Humidity Indices! COMING SOON ·        Accuracy of other indices! COMING LATE SUMMER ·        Societal Health Concerns! COMING SOON ·        Effects of wind and sun and clothing and exercise! COMING SEPTEMBER ·        Winter tidbits:  How cold is it? COMING IN NOVEMEBR ·        Winter effects of clouds, wind, and snow! COMING IN NOVEMEBR ·        Winter Forecast accuracy improvement over past 30 years – or         is there? COMING IN NOVEMEBR ·        Ask the Author! ADDED ·        Free updates!