ABOUT THIS PARAMETER

precipitation duration

How long a precipitation event lasts.

Used to calculate:rainfall

Varies by: month, precipevent and climate

Used month precipevent climate Reference Location: Ecosystem
(study period)		 Value Units Notes
* June Clear day Baseline Climate (1970-2010) Assumed New York City: Urban Area () 0 hours We have assumed there are no hours of rainfall on a clear day.
* June Clear day Future Climate in 2020s Assumed New York City: Urban Area () 0 hours We have assumed there are no hours of rainfall on a clear day.
* June Clear day Future Climate in 2050s Assumed New York City: Urban Area () 0 hours We have assumed there are no hours of rainfall on a clear day.
* June Clear day Future Climate in 2080s Assumed New York City: Urban Area () 0 hours We have assumed there are no hours of rainfall on a clear day.
* June Clear day Future Climate in 2100s Assumed New York City: Urban Area () 0 hours We have assumed there are no hours of rainfall on a clear day.
* June Clear day Past Climate in 1609 Assumed New York City: Urban Area () 0 hours We have assumed there are no hours of rainfall on a clear day.
* June Rainy day Baseline Climate (1970-2010) NYC DEP 2008 Climate Change Program Assessment and Action Plan New York City: Built ecosystems (1903-1951) 6 hours Drawn from the 1903-1951 NYC intensity-duration-frequency curve for a 2 year storm lasting 6 hours with an intensity of 0.65 in/hr.
June Rainy day Baseline Climate (1970-2010) NYC 2010 CEQR Technical Manual New York City: New York City (2010) 11.3 hours See Matrix 1 and 2 for information about rainfall duration for different precipitation events. We have assumed the same duration for past and future climates.
* June Rainy day Future Climate in 2020s Assumed New York City: Urban Area () 6 hours We assume the same precipitation durations across climate scenarios.
* June Rainy day Future Climate in 2050s Assumed New York City: Urban Area () 6 hours We assume the same precipitation duration across climate scenarios.
* June Rainy day Future Climate in 2080s Assumed New York City: Urban Area () 6 hours We assume the same precipitation duration across climate scenarios.
* June Rainy day Future Climate in 2100s NYC DEP 2008 Climate Change Program Assessment and Action Plan New York City: Built ecosystems (1903-1951) 6 hours Drawn from the 1903-1951 NYC intensity-duration-frequency curve for a 2 year storm lasting 6 hours with an intensity of 0.65 in/hr. We assume the same precipitation duration across climate scenarios.
* June Rainy day Past Climate in 1609 Assumed New York City: Urban Area () 6 hours We assume the same precipitation duration across climate scenarios.
* June Severe storm Baseline Climate (1970-2010) NYC DEP 2008 Climate Change Program Assessment and Action Plan New York City: Built ecosystems (1903-1951) 24 hours Drawn from the 1903-1951 NYC intensity-duration-frequency curve for a 100 year storm lasting 24 hours with an intensity of 0.65 in/hr.
June Severe storm Baseline Climate (1970-2010) NYC 2010 CEQR Technical Manual New York City: New York City (2010) 2.5 hours See Matrix 1 and 2 for information about rainfall duration for different precipitation events.
* June Severe storm Future Climate in 2020s Assumed New York City: Urban Area () 24 hours We assume the same precipitation durations across all climate scenarios
* June Severe storm Future Climate in 2050s Assumed New York City: Urban Area () 24 hours We assume the same precipitation duration across climate scenarios.
* June Severe storm Future Climate in 2080s Assumed New York City: Urban Area () 24 hours We assume the same precipitation duration across climate scenarios.
* June Severe storm Future Climate in 2100s NYC DEP 2008 Climate Change Program Assessment and Action Plan New York City: Built ecosystems (1903-1951) 24 hours Drawn from the 1903-1951 NYC intensity-duration-frequency curve for a 100 year storm lasting 24 hours with an intensity of 0.65 in/hr. We assume the same precipitation duration across climate scenarios.
* June Severe storm Past Climate in 1609 Assumed New York City: Urban Area () 24 hours We assume the same precipitation duration across climate scenarios.
* June Showers Baseline Climate (1970-2010) Assumed New York City: Urban Area () 2 hours Assumed to be 0.4 in/hr for 2 hours, resulting in less than one inch of precipitation
June Showers Baseline Climate (1970-2010) NYC 2010 CEQR Technical Manual New York City: New York City (2010) 3.8 hours See Matrix 1 and 2 for information about rainfall duration for different precipitation events.
* June Showers Future Climate in 2020s Assumed New York City: Urban Area () 2 hours Same duration for all climate scenarios
* June Showers Future Climate in 2050s Assumed New York City: Urban Area () 2 hours We assume the same precipitation duration across climate scenarios.
* June Showers Future Climate in 2080s Assumed New York City: Urban Area () 2 hours We assume the same precipitation duration across climate scenarios.
* June Showers Future Climate in 2100s Assumed New York City: Urban Area () 2 hours Assumed to be 0.4 in/hr for 2 hours resulting in less than one inch of precipitation. We assume the same precipitation duration across climate scenarios.
* June Showers Past Climate in 1609 Assumed New York City: Urban Area () 2 hours We assume the same precipitation duration across climate scenarios.
* June Soaking storm Baseline Climate (1970-2010) NYC DEP 2008 Climate Change Program Assessment and Action Plan New York City: Built ecosystems (1903-1951) 12 hours Drawn from the 1903-1951 NYC intensity-duration-frequency curve for a 10 year storm lasting 12 hours with an intensity of 0.6 in/hr.
June Soaking storm Baseline Climate (1970-2010) NYC 2010 CEQR Technical Manual New York City: New York City (2010) 19.5 hours See Matrix 1 and 2 for information about rainfall duration for different precipitation events.
* June Soaking storm Future Climate in 2020s Assumed New York City: Urban Area () 12 hours We assume the same precipitation durations across climate scenarios.
* June Soaking storm Future Climate in 2050s Assumed New York City: Urban Area () 12 hours We assume the same precipitation duration across climate scenarios.
* June Soaking storm Future Climate in 2080s Assumed New York City: Urban Area () 12 hours We assume the same precipitation duration across climate scenarios.
* June Soaking storm Future Climate in 2100s NYC DEP 2008 Climate Change Program Assessment and Action Plan New York City: Built ecosystems (1903-1951) 12 hours Drawn from the 1903-1951 NYC intensity-duration-frequency curve for a 10 year storm lasting 12 hours with an intensity of 0.6 in/hr. We assume the same precipitation duration across climate scenarios.
* June Soaking storm Past Climate in 1609 Assumed New York City: Urban Area () 12 hours We assume the same precipitation duration across climate scenarios.
* June Thunderstorm Baseline Climate (1970-2010) NYC DEP 2008 Climate Change Program Assessment and Action Plan New York City: Built ecosystems (1903-1951) 1 hours Drawn from the 1903-1951 NYC intensity-duration-frequency curve for a 5 year storm lasting 1 hour with an intensity of 1.75 in/hr. This duration is considered the "standard design criterion" for stormwater infrastructure in New York City.
June Thunderstorm Baseline Climate (1970-2010) NYC 2010 CEQR Technical Manual New York City: New York City (2010) 0.75 hours See Matrix 1 and 2 for information about rainfall duration for different precipitation events.
* June Thunderstorm Future Climate in 2020s Assumed New York City: Urban Area () 1 hours We assume that precipitation durations are the same across climate scenarios
* June Thunderstorm Future Climate in 2050s Assumed New York City: Urban Area () 1 hours We assume the same precipitation duration across climate scenarios.
* June Thunderstorm Future Climate in 2080s Assumed New York City: Mannahatta () 1 hours We assume the same precipitation duration across climate scenarios.
* June Thunderstorm Future Climate in 2100s NYC DEP 2008 Climate Change Program Assessment and Action Plan New York City: Built ecosystems (1903-1951) 1 hours Drawn from the 1903-1951 NYC intensity-duration-frequency curve for a 5 year storm lasting 1 hour with an intensity of 1.75 in/hr. This duration is considered the "standard design criterion" for stormwater infrastructure in New York City. We assume the same precipitation duration for all climate scenarios.
* June Thunderstorm Past Climate in 1609 Assumed New York City: Urban Area () 1 hours We assume the same precipitation duration across climate scenarios.

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