# # This data is from: SeaTac Airport (stn. code sea) # # # # Sea-Tac Site and Instrument specifications # Seatac, WA # NWS: This site is a National Weather Service site. # # Archived data available via this UW link since: 01 Jul 1996 # # STATION NAME ID LAT LON ELEV M ELEV FT WMO # --------------------------------------------------------------------- # SEATTLE-TACOMA WA US KSEA 47.45 -122.30 137 m 449 ft 72793 # # # Station precip: maximum and daily avg (inches) over entire period of record ---------------------------------------------------* # | # Station extrema: daily hi/lo temperatures over entire period of record -----------------------------------------------* | # | | # Station average: daily hi/lo temperatures over entire period of record -------------------------------------* | | # | | | # Station 6-hour hi/lo temperatures ----------------------------------------------------------------* | | | # | | | | # Rain Gauge (inches) -------------------------------------------------------------------*----* | | | | # Relative humidity (%) ------------------------------------------------------------* | | | | | | # Solar irradiance (W/m^2) --------------------------------------------------* | | | | | | | # Visibility (miles) ---------------------------------------------------* | | | | | | | | # Cloud height (100's of feet) -------------------------------------* | | | | | | | | | # Cloud cover (1/8ths of sky) ----------------------------------* | | | | | | | | | | # Wind gust (nautical miles per hour) ----------------------* | | | | | | | | | | | # Wind speed (nautical miles per hour) ----------------* | | | | | | | | | | | | # Wind direction (clockwise degrees from North) --* | | | | | | | | | | | | | # Dewpoint temperature (F) -------------------* | | | | | | | | | | | | | | # Air temperature (F) -------------------* | | | | | | | | | | | | | | | # Pressure (millibars) -----------* | | | | | | | | | | | | | | | | # | | | | | | | | | | | | *--*--* *---*---* *--*--* *----*---* # | | | | | | | | | | | | Sum | | | | | | | | # Date(GMT) Julian date Pres Tair Tdew Dir Spd Gust Cc Cht Vis Radn RelH Rain Rain hi lo hi lo hi lo max avg # -------------- -------------- ------ ---- ---- --- ---- ---- --- --- --- ------ ----- ---- ---- --- --- ---- ---- --- --- ---- ----- #
# # This data is from: ATG rooftop, U. of Wash. (stn. code uwa) # # # Atmospheric Sciences Rooftop Site and Instrument specifications # # University of Washington # Seattle, WA # # Established: July 1999 # # # Computer: 33Mhz 486 CPU # 16 Meg ram # 1.5 gig of disk (most reserved for local data storage) # 10bT ethernet with ISDN to the internet # FreeBSD on current system - switch to Linux planned # # Data ingestion and distribution: # # Campbell CR23X Datalogger # Sampled every 5 seconds # reports 1 minute averages and highest 5 second wind gusts each minute # Instruments are located approximately 50 ft above ground level # Serial between CR23X and computer running at 300 baud # NCAR Unidata Program's LDM data distribution software # # Instruments: # Radiation - Eppley PSP radiometer measures total solar radiation # calibrated at factory early in 1999. # Rain gauge - Tipping bucket measures in 1/100 inch (Old dilapidated gray bucket) # Wind direction - rotary potentiometer # Wind speed - 3 cup anemometer calibrated by R.M. Young # Temperature (outdoor on mast) Type E thermocouple inside white radiation shield # Type T, Copper-constantan inside weatherproof box. # Humidity - A Vaisala HMP-45 relative humidity sensor # Pressure - Vaisala precision barometer (1st floor station pressure not SLP) # # Notes: # Programing and instrument changelog # # # # # Station precip: maximum and daily avg (inches) over entire period of record ---------------------------------------------------* # | # Station extrema: daily hi/lo temperatures over entire period of record -----------------------------------------------* | # | | # Station average: daily hi/lo temperatures over entire period of record -------------------------------------* | | # | | | # Station 6-hour hi/lo temperatures ----------------------------------------------------------------* | | | # | | | | # Rain Gauge (inches) -------------------------------------------------------------------*----* | | | | # Relative humidity (%) ------------------------------------------------------------* | | | | | | # Solar irradiance (W/m^2) --------------------------------------------------* | | | | | | | # Visibility (miles) ---------------------------------------------------* | | | | | | | | # Cloud height (100's of feet) -------------------------------------* | | | | | | | | | # Cloud cover (1/8ths of sky) ----------------------------------* | | | | | | | | | | # Wind gust (nautical miles per hour) ----------------------* | | | | | | | | | | | # Wind speed (nautical miles per hour) ----------------* | | | | | | | | | | | | # Wind direction (clockwise degrees from North) --* | | | | | | | | | | | | | # Dewpoint temperature (F) -------------------* | | | | | | | | | | | | | | # Air temperature (F) -------------------* | | | | | | | | | | | | | | | # Pressure (millibars) -----------* | | | | | | | | | | | | | | | | # | | | | | | | | | | | | *--*--* *---*---* *--*--* *----*---* # | | | | | | | | | | | | Sum | | | | | | | | # Date(GMT) Julian date Pres Tair Tdew Dir Spd Gust Cc Cht Vis Radn RelH Rain Rain hi lo hi lo hi lo max avg # -------------- -------------- ------ ---- ---- --- ---- ---- --- --- --- ------ ----- ---- ---- --- --- ---- ---- --- --- ---- ----- #
# # This data is from: Boeing Field (stn. code bfi) # # # # Boeing Field Site and Instrument specifications # Seattle, WA # NWS: This site is a National Weather Service site. # # Archived data available via this UW link since: 01 Jul 1996 # # STATION NAME ID LAT LON ELEV M ELEV FT WMO # --------------------------------------------------------------------- # SEATTLE/BOEING WA US KBFI 47.53 -122.30 5 m 16 ft 99999 # # # Station precip: maximum and daily avg (inches) over entire period of record ---------------------------------------------------* # | # Station extrema: daily hi/lo temperatures over entire period of record -----------------------------------------------* | # | | # Station average: daily hi/lo temperatures over entire period of record -------------------------------------* | | # | | | # Station 6-hour hi/lo temperatures ----------------------------------------------------------------* | | | # | | | | # Rain Gauge (inches) -------------------------------------------------------------------*----* | | | | # Relative humidity (%) ------------------------------------------------------------* | | | | | | # Solar irradiance (W/m^2) --------------------------------------------------* | | | | | | | # Visibility (miles) ---------------------------------------------------* | | | | | | | | # Cloud height (100's of feet) -------------------------------------* | | | | | | | | | # Cloud cover (1/8ths of sky) ----------------------------------* | | | | | | | | | | # Wind gust (nautical miles per hour) ----------------------* | | | | | | | | | | | # Wind speed (nautical miles per hour) ----------------* | | | | | | | | | | | | # Wind direction (clockwise degrees from North) --* | | | | | | | | | | | | | # Dewpoint temperature (F) -------------------* | | | | | | | | | | | | | | # Air temperature (F) -------------------* | | | | | | | | | | | | | | | # Pressure (millibars) -----------* | | | | | | | | | | | | | | | | # | | | | | | | | | | | | *--*--* *---*---* *--*--* *----*---* # | | | | | | | | | | | | Sum | | | | | | | | # Date(GMT) Julian date Pres Tair Tdew Dir Spd Gust Cc Cht Vis Radn RelH Rain Rain hi lo hi lo hi lo max avg # -------------- -------------- ------ ---- ---- --- ---- ---- --- --- --- ------ ----- ---- ---- --- --- ---- ---- --- --- ---- ----- #