Station 51004 (LLNR 28005) - SOUTHEAST HAWAII - 205 NM Southeast of Hilo, HI Image indicating link to RSS feed of recent meteorological observations for station 51004


Conditions at 51004 as of
(10:00 am HAST)
2000 GMT on 05/26/2024:
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Wind Direction Wind Direction (WDIR): E ( 80 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 17.5 kts
5-day plot - Wind Gust Wind Gust (GST): 19.4 kts
5-day plot - Air Temperature Air Temperature (ATMP): 76.5 °F
5-day plot - Water Temperature Water Temperature (WTMP): 78.3 °F
5-day plot - Dew Point Dew Point (DEWP): 67.3 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 17.5 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 19.4 kts
5-day plot -  Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Supplemental Measurements
Highest 1-minute Wind Speed
Time (HAST)5-day plot - 1-Minute Wind Speed WSPD 5-day plot - 1-Minute Wind Direction WDIR
9:55 am 19.4 kts-
Previous observations
TIME
(HAST)
5-day plot - Wind Direction
WDIR
 
5-day plot - Wind Speed
WSPD
kts
5-day plot - Wind Gust
GST
kts
5-day plot - Wave Height
WVHT
ft
5-day plot - Dominant Wave Period
DPD
sec
5-day plot - Average Wave Period
APD
sec
5-day plot - Mean Wave Direction
MWD
 
5-day plot - Atmospheric Pressure
PRES
in
5-day plot - Pressure Tendency
PTDY
in
5-day plot - Air Temperature
ATMP
°F
5-day plot - Water Temperature
WTMP
°F
5-day plot - Dew Point
DEWP
°F
5-day plot - Salinity
SAL
psu
5-day plot - Visibility
VIS
nmi
5-day plot - Tide (above MLLW)
TIDE
ft
2024-05-26 09:50 am E 15.5 19.4 6.2 86.0ENE-- 76.5 78.3 67.5---
2024-05-26 09:40 amENE 15.5 19.4 6.2-6.0ENE-- 76.5 78.3 67.3---
2024-05-26 09:30 amENE 15.5 19.4------ 76.5 78.3 66.7---
2024-05-26 09:20 am E 15.5 19.4 6.2 85.9ENE-- 76.6 78.3 66.2---
2024-05-26 09:10 amENE 15.5 19.4 6.2-5.9ENE-- 76.5 78.3 66.9---
2024-05-26 09:00 amENE 15.5 19.4------ 76.5 78.3 66.4---
2024-05-26 08:50 am E 13.6 19.4 6.6 86.1 NE-- 76.3 78.3 66.7---
2024-05-26 08:40 am E 13.6 17.5 6.6-6.1 NE-- 76.3 78.3 66.9---
2024-05-26 08:30 amENE 15.5 19.4------ 76.3 78.3 66.0---
2024-05-26 08:20 amENE 15.5 19.4 5.9 85.9ENE-- 76.1 78.3 65.3---
2024-05-26 08:10 am E 15.5 19.4 5.9-5.9ENE-- 76.1 78.3 66.9---
2024-05-26 08:00 amENE 15.5 17.5------ 75.9 78.3 66.2---
2024-05-26 07:50 am E 15.5 19.4 6.2 86.0ENE-- 75.9 78.3 67.3---
2024-05-26 07:40 amENE 11.7 19.4------ 75.9 78.3 67.5---
2024-05-26 07:30 amENE 9.7 13.6------ 75.6 78.3 66.7---
2024-05-26 07:20 amENE 11.7 15.5 6.6 95.8ENE-- 75.2 78.3 66.4---
2024-05-26 07:10 amENE 13.6 17.5 6.6-5.8ENE-- 75.2 78.3 66.7---
2024-05-26 07:00 amENE 15.5 19.4------ 75.2 78.3 66.7---
2024-05-26 06:50 amENE 17.5 21.4 7.2 86.1ENE-- 75.6 78.3 67.3---
2024-05-26 06:40 amENE 15.5 19.4 7.2-6.1ENE-- 75.7 78.3 66.7---
2024-05-26 06:30 amENE 17.5 21.4------ 76.1 78.3 67.5---
2024-05-26 06:20 amENE 15.5 21.4 6.6 85.9ENE-- 76.1 78.3 65.7---
2024-05-26 06:10 amENE 15.5 19.4 6.6-5.9ENE-- 76.1 78.3 66.4---
2024-05-26 06:00 amENE 15.5 17.5------ 75.7 78.3 67.1---
2024-05-26 05:50 am E 15.5 21.4 6.2 85.9ENE-- 75.6 78.3 67.5---
2024-05-26 05:40 am E 15.5 19.4------ 75.7 78.3 67.5---
2024-05-26 05:30 am E 15.5 19.4------ 75.9 78.3 67.6---
2024-05-26 05:20 am E 15.5 17.5 6.2 95.9ENE-- 75.9 78.3 67.8---
2024-05-26 05:10 amENE 15.5 19.4 6.2-5.9ENE-- 76.1 78.3 67.8---
2024-05-26 05:00 am E 15.5 19.4------ 76.1 78.3 67.8---
2024-05-26 04:50 amENE 15.5 19.4 6.6 86.0ENE-- 76.5 78.3 67.1---
2024-05-26 04:40 amENE 15.5 19.4------ 76.3 78.3 66.0---
2024-05-26 04:30 am E 13.6 17.5------ 76.3 78.3 67.1---
2024-05-26 04:20 am E 15.5 19.4 6.2 86.0ENE-- 76.5 78.3 66.7---
2024-05-26 04:10 amENE 13.6 17.5------ 76.5 78.3 66.2---
2024-05-26 04:00 am E 13.6 17.5------ 76.5 78.3 66.4---
2024-05-26 03:50 am E 13.6 17.5 6.2 85.9 E-- 76.3 78.3 66.7---
2024-05-26 03:40 am E 15.5 19.4 6.2-5.9 E-- 76.1 78.3 66.7---
2024-05-26 03:30 am E 13.6 17.5------ 76.3 78.3 66.9---
2024-05-26 03:20 am E 15.5 17.5 6.2 86.0ENE-- 76.1 78.3 66.2---
2024-05-26 03:10 am E 15.5 19.4 6.2-6.0ENE-- 75.9 78.3 66.9---
2024-05-26 03:00 am E 13.6 17.5------ 75.4 78.3 67.3---
2024-05-26 02:50 am NE 9.7 15.5 6.2 86.0ENE-- 73.9 78.3 68.4---
2024-05-26 02:40 am NE 9.7 13.6 6.2-6.0ENE-- 74.5 78.3 68.2---
2024-05-26 02:30 am NE 9.7 13.6------ 73.9 78.3 68.0---
2024-05-26 02:20 am NE 9.7 13.6 6.6 86.0ENE-- 73.2 78.3 67.6---
2024-05-26 02:10 amNNE 11.7 17.5 6.6-6.0ENE-- 72.9 78.3 67.6---
2024-05-26 02:00 am NE 15.5 19.4------ 73.8 78.3 67.8---
2024-05-26 01:50 am E 9.7 11.7 6.9 95.8ENE-- 73.0 78.3 67.5---
2024-05-26 01:40 amENE 13.6 19.4------ 73.6 78.3 67.3---
2024-05-26 01:30 am NE 11.7 15.5------ 74.1 78.3 66.9---
2024-05-26 01:20 am NE 11.7 15.5 6.6 75.9ENE-- 73.6 78.3 67.1---
2024-05-26 01:10 amENE 15.5 19.4 6.6-5.9ENE-- 73.6- 67.3---
2024-05-26 01:00 am NE 15.5 21.4------ 74.5 78.3 68.2---
2024-05-26 12:50 am NE 13.6 17.5 6.6 95.8ENE-- 73.6 78.3 68.0---
2024-05-26 12:40 am NE 13.6 17.5------ 72.3 78.3 68.0---
2024-05-26 12:30 am NE 17.5 21.4------ 73.2 78.3 68.5---
2024-05-26 12:20 amENE 13.6 19.4 6.6 86.0ENE-- 74.3 78.3 67.8---
2024-05-26 12:10 am E 13.6 17.5 6.6-6.0ENE-- 75.6 78.3 66.7---
2024-05-26 12:00 am E 15.5 17.5------ 75.9 78.3 67.6---
2024-05-25 11:50 pm E 13.6 17.5 6.2 86.0ENE-- 76.3 78.3 67.5---
2024-05-25 11:40 pm E 13.6 17.5 6.2-6.0ENE-- 76.3 78.3 67.3---
2024-05-25 11:30 pm E 13.6 17.5------ 76.3 78.3 67.5---
2024-05-25 11:20 pmENE 13.6 17.5 6.2 85.9ENE-- 76.3 78.3 66.9---
2024-05-25 11:10 pmENE 13.6 19.4 6.2-5.9ENE-- 76.1 78.3 66.6---
2024-05-25 11:00 pmENE 13.6 17.5------ 76.3 78.3 67.5---
2024-05-25 10:50 pmENE 13.6 17.5 6.9 86.2ENE-- 76.1 78.3 66.7---
2024-05-25 10:40 pmENE 15.5 17.5------ 76.3 78.3 67.5---
2024-05-25 10:30 pmENE 15.5 19.4------ 76.3 78.3 67.1---
2024-05-25 10:20 pmENE 15.5 19.4 6.6 86.2ENE-- 76.1 78.3 66.9---
2024-05-25 10:10 pmENE 15.5 19.4 6.6-6.2ENE-- 75.7 78.3 67.6---
2024-05-25 10:00 pmENE 15.5 19.4------ 75.7 78.3 68.2---
2024-05-25 09:50 pmENE 17.5 21.4 6.6 96.4ENE-- 75.6 78.3 68.4---
2024-05-25 09:40 pmENE 15.5 19.4 6.6-6.4ENE-- 76.1 78.3 68.5---
2024-05-25 09:30 pmENE 13.6 17.5------ 76.1 78.3 67.5---
2024-05-25 09:20 pmENE 13.6 19.4 6.2 86.2ENE-- 75.4- 68.2---
2024-05-25 09:10 pmENE 15.5 19.4 6.2-6.2ENE-- 75.6 78.3 68.5---
2024-05-25 09:00 pmENE 15.5 19.4------ 75.9 78.3 68.7---
2024-05-25 08:50 pmENE 15.5 19.4 6.6 86.5ENE-- 76.3 78.3 68.4---
2024-05-25 08:40 pmENE 13.6 17.5------ 76.5 78.3 67.6---
2024-05-25 08:30 pmENE 13.6 15.5------ 76.5 78.3 67.3---
2024-05-25 08:20 pmENE 13.6 17.5 6.2 86.2 E-- 76.5 78.3 67.1---
2024-05-25 08:10 pmENE 13.6 17.5 6.2-6.2 E-- 76.5 78.3 66.4---
2024-05-25 08:00 pmENE 13.6 15.5------ 76.5 78.3 66.9---
2024-05-25 07:50 pmENE 13.6 17.5 6.2 86.4ENE-- 76.5 78.3 66.6---
2024-05-25 07:40 pmENE 11.7 15.5------ 76.3 78.3 66.9---
2024-05-25 07:30 pmENE 11.7 15.5------ 76.3 78.4 66.7---
2024-05-25 07:20 pmENE 13.6 15.5 6.2 86.3ENE-- 76.3 78.3 66.7---
2024-05-25 07:10 pmENE 13.6 17.5 6.2-6.3ENE-- 76.3 78.3 67.1---
2024-05-25 07:00 pmENE 13.6 17.5------ 76.1 78.3 66.4---
2024-05-25 06:50 pmENE 13.6 17.5 6.2 86.1ENE-- 75.9 78.4 66.7---
2024-05-25 06:40 pmENE 13.6 15.5------ 76.1 78.4 66.9---
2024-05-25 06:30 pmENE 13.6 17.5------ 76.1 78.4 66.9---
2024-05-25 06:20 pmENE 13.6 17.5 6.6 85.9ENE-- 76.1 78.4 66.7---
2024-05-25 06:10 pmENE 13.6 17.5 6.6-5.9ENE-- 76.1 78.4 66.9---
2024-05-25 06:00 pmENE 13.6 15.5------ 76.1 78.4 67.3---
2024-05-25 05:50 pmENE 13.6 15.5 6.6 86.3ENE-- 76.1 78.4 66.9---
2024-05-25 05:40 pm E 13.6 17.5 6.6-6.3ENE-- 75.9 78.4 66.9---
2024-05-25 05:30 pm E 13.6 17.5------ 75.9 78.4 67.3---
2024-05-25 05:20 pm E 13.6 15.5 6.2 86.2ENE-- 75.9 78.4 67.5---
2024-05-25 05:10 pm E 11.7 15.5 6.2-6.2ENE-- 75.9 78.4 67.3---
2024-05-25 05:00 pmENE 13.6 17.5------ 76.5 78.4 66.7---
2024-05-25 04:50 pmENE 13.6 17.5 7.2 86.5ENE-- 76.3 78.4 66.2---
2024-05-25 04:40 pmENE 13.6 17.5 7.2-6.5ENE-- 76.3 78.4 66.6---
2024-05-25 04:30 pmENE 13.6 17.5------ 76.3 78.4 66.9---
2024-05-25 04:20 pm E 13.6 17.5 6.9 86.3ENE-- 76.3 78.4 67.5---
2024-05-25 04:10 pmENE 13.6 17.5 6.9-6.3ENE-- 76.3 78.4 66.7---
2024-05-25 04:00 pmENE 13.6 17.5------ 76.6 78.4 67.1---
2024-05-25 03:50 pmENE 13.6 15.5 6.9 86.4ENE-- 76.5 78.4 65.5---
2024-05-25 03:40 pm E 11.7 15.5------ 76.5 78.4 66.4---
2024-05-25 03:30 pmENE 11.7 15.5------ 76.5 78.4 65.7---
2024-05-25 03:20 pm E 11.7 15.5 6.9 86.4ENE-- 76.5 78.4 64.9---
2024-05-25 03:10 pmENE 11.7 15.5 6.9-6.4ENE-- 76.6 78.4 64.9---
2024-05-25 03:00 pmENE 11.7 15.5------ 76.8 78.4 64.9---
2024-05-25 02:50 pmENE 11.7 15.5 6.6 86.2ENE-- 76.6 78.4 64.9---
2024-05-25 02:40 pmENE 13.6 17.5 6.6-6.2ENE-- 76.5 78.4 64.9---
2024-05-25 02:30 pmENE 13.6 15.5------ 76.5 78.4 64.9---
2024-05-25 02:20 pmENE 13.6 15.5 6.6 86.3ENE-- 76.5 78.4 64.8---
2024-05-25 02:10 pmENE 13.6 17.5 6.6-6.3ENE-- 76.5 78.4 65.3---
2024-05-25 02:00 pmENE 13.6 17.5------ 76.5 78.4 65.8---
2024-05-25 01:50 pmENE 13.6 17.5 7.5 96.4ENE-- 76.5 78.4 64.4---
2024-05-25 01:40 pmENE 15.5 19.4------ 76.6 78.4 64.2---
2024-05-25 01:20 pmENE 13.6 17.5 6.9 96.2ENE-- 76.6 78.4 64.6---
2024-05-25 01:10 pm E 15.5 19.4 6.9-6.2ENE-- 76.5 78.4 64.0---
2024-05-25 01:00 pmENE 15.5 19.4------ 76.6 78.4 64.6---
2024-05-25 12:50 pmENE 15.5 19.4 7.2 96.3ENE-- 76.5 78.4 64.9---
2024-05-25 12:40 pmENE 13.6 17.5------ 76.6 78.4 65.1---
2024-05-25 12:30 pmENE 15.5 19.4------ 76.5 78.3 64.8---
2024-05-25 12:20 pm E 15.5 19.4 7.2 86.3ENE-- 76.3 78.3 65.1---
2024-05-25 12:10 pmENE 15.5 19.4 7.2-6.3ENE-- 76.3 78.3 65.5---
2024-05-25 12:00 pmENE 15.5 17.5------ 76.3 78.3 66.0---
2024-05-25 11:50 amENE 15.5 19.4 6.2 96.0ENE-- 76.3 78.3 66.4---
2024-05-25 11:40 amENE 15.5 19.4 6.2-6.0ENE-- 76.3 78.3 66.7---
2024-05-25 11:30 amENE 15.5 19.4------ 76.1 78.3 66.4---
2024-05-25 11:20 am E 13.6 17.5 6.9 86.4 E-- 76.1 78.3 66.9---
2024-05-25 11:10 am E 15.5 19.4 6.9-6.4 E-- 76.3 78.3 66.9---
2024-05-25 11:00 am E 15.5 17.5------ 76.1 78.3 66.4---
2024-05-25 10:50 am E 13.6 17.5 7.2 86.3ENE-- 76.3 78.3 66.7---
2024-05-25 10:40 amENE 13.6 19.4 7.2-6.3ENE-- 76.5 78.3 66.0---
2024-05-25 10:30 amENE 13.6 17.5------ 76.3 78.3 65.8---
2024-05-25 10:20 amENE 13.6 17.5 6.9 86.2ENE-- 76.3 78.3 66.2---
2024-05-25 10:10 amENE 15.5 19.4------ 76.1 78.3 65.7---
2024-05-25 10:00 amENE 13.6 17.5------ 76.1 78.3 65.5---
2024-05-25 09:50 amENE 13.6 17.5 6.6 96.2ENE-- 76.1 78.3 65.7---

Detailed Wave Summary
for 51004 as of (9:40 am HAST)
1940 GMT on 05/26/2024:

These wave data are displayed in rounded times.

     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Significant Wave Height Significant Wave Height (WVHT): 6.2 ft
5-day plot - Swell Height Swell Height (SwH): 3.6 ft
5-day plot - Swell Period Swell Period (SwP): 14.8 sec
5-day plot - Swell Direction Swell Direction (SwD): E
5-day plot - Wind Wave Height Wind Wave Height (WWH): 5.2 ft
5-day plot - Wind Wave Period Wind Wave Period (WWP): 7.7 sec
5-day plot - Wind Wave Direction Wind Wave Direction (WWD):ENE
5-day plot - Wave Steepness Wave Steepness (STEEPNESS): STEEP
5-day plot - Average Wave Period Average Wave Period (APD): 6.0 sec
Previous observations
TIME
(HAST)
5-day plot - Wave Height
WVHT
ft
5-day plot - Swell Height
SwH
ft
5-day plot - Swell Period
SwP
sec
5-day plot - Swell Direction
SwD
 
5-day plot - Wind Wave Height
WWH
ft
5-day plot - Wind Wave Period
WWP
sec
5-day plot - Wind Wave Direction
WWD
 
5-day plot - Wave Steepness
STEEPNESS
 
5-day plot - Average Wave Period
APD
sec
2024-05-26 09:10 am 6.2 3.6 8.3ENE 5.2 7.1 ENE AVERAGE 5.9
2024-05-26 08:40 am 6.6 5.2 8.3 NE 4.3 4.8 ENE AVERAGE 6.1
2024-05-26 08:10 am 5.9 3.6 8.3ENE 4.6 6.2 ENE AVERAGE 5.9
2024-05-26 07:40 am 6.2 5.2 8.3ENE 3.6 5.3 ENE AVERAGE 6.0
2024-05-26 07:10 am 6.6 4.6 9.1ENE 4.6 5.9 ENE AVERAGE 5.8
2024-05-26 06:40 am 7.2 4.6 8.3ENE 5.6 7.1 ENE STEEP 6.1
2024-05-26 06:10 am 6.6 3.6 8.3ENE 5.2 6.7 ENE AVERAGE 5.9
2024-05-26 05:40 am 6.2 3.9 8.3ENE 4.9 5.6 ENE AVERAGE 5.9
2024-05-26 05:10 am 6.2 4.6 9.1ENE 4.6 5.6 E AVERAGE 5.9
2024-05-26 04:40 am 6.6 3.9 9.1ENE 5.2 7.7 ENE STEEP 6.0
2024-05-26 04:10 am 6.2 4.9 8.3ENE 3.9 5.6 ENE AVERAGE 6.0
2024-05-26 03:40 am 6.2 4.3 8.3 E 4.6 5.9 ENE AVERAGE 5.9
2024-05-26 03:10 am 6.2 4.3 8.3ENE 4.6 7.1 ENE AVERAGE 6.0
2024-05-26 02:40 am 6.2 5.6 7.7ENE 3.0 5.0 ENE STEEP 6.0
2024-05-26 02:10 am 6.6 5.2 8.3ENE 3.6 5.9 E AVERAGE 6.0
2024-05-26 01:40 am 6.9 4.9 9.1ENE 4.9 6.7 ENE AVERAGE 5.8
2024-05-26 01:10 am 6.6 3.6 9.1ENE 5.6 7.1 ENE STEEP 5.9
2024-05-26 12:40 am 6.6 4.9 9.1ENE 3.9 5.3 ENE AVERAGE 5.8
2024-05-26 12:10 am 6.6 4.9 8.3ENE 4.3 5.9 ENE AVERAGE 6.0
2024-05-25 11:40 pm 6.2 4.9 8.3ENE 3.9 5.6 ENE AVERAGE 6.0
2024-05-25 11:10 pm 6.2 4.3 7.7ENE 4.3 6.2 ENE STEEP 5.9
2024-05-25 10:40 pm 6.9 4.9 8.3ENE 4.6 7.1 ENE AVERAGE 6.2
2024-05-25 10:10 pm 6.6 4.9 8.3ENE 4.3 4.8 ENE AVERAGE 6.2
2024-05-25 09:40 pm 6.6 4.3 9.1ENE 4.9 5.3 ENE AVERAGE 6.4
2024-05-25 09:10 pm 6.2 4.3 8.3ENE 4.6 6.7 ENE AVERAGE 6.2
2024-05-25 08:40 pm 6.6 5.6 8.3ENE 3.6 5.6 ENE AVERAGE 6.5
2024-05-25 08:10 pm 6.2 4.9 8.3 E 3.9 5.9 ENE AVERAGE 6.2
2024-05-25 07:40 pm 6.2 5.2 8.3ENE 3.0 5.6 ENE AVERAGE 6.4
2024-05-25 07:10 pm 6.2 5.6 8.3ENE 3.3 5.3 E AVERAGE 6.3
2024-05-25 06:40 pm 6.2 5.2 8.3ENE 3.6 5.3 E AVERAGE 6.1
2024-05-25 06:10 pm 6.6 4.9 8.3ENE 4.3 5.6 ENE AVERAGE 5.9
2024-05-25 05:40 pm 6.6 5.6 8.3ENE 3.6 5.3 ENE AVERAGE 6.3
2024-05-25 05:10 pm 6.2 5.2 8.3ENE 3.3 5.6 E AVERAGE 6.2
2024-05-25 04:40 pm 7.2 5.9 8.3ENE 3.9 6.2 ENE STEEP 6.5
2024-05-25 04:10 pm 6.9 5.6 7.7ENE 3.9 6.2 ENE STEEP 6.3
2024-05-25 03:40 pm 6.9 5.9 8.3ENE 3.3 5.6 ENE AVERAGE 6.4
2024-05-25 03:10 pm 6.9 5.9 8.3ENE 3.3 5.9 E AVERAGE 6.4
2024-05-25 02:40 pm 6.6 5.2 8.3ENE 3.9 5.0 E AVERAGE 6.2
2024-05-25 02:10 pm 6.6 5.6 8.3ENE 3.6 5.6 E AVERAGE 6.3
2024-05-25 01:40 pm 7.5 5.6 9.1ENE 4.9 6.7 ENE AVERAGE 6.4
2024-05-25 01:10 pm 6.9 5.2 9.1ENE 4.6 5.9 E AVERAGE 6.2
2024-05-25 12:40 pm 7.2 5.9 9.1ENE 4.3 6.2 E AVERAGE 6.3
2024-05-25 12:10 pm 7.2 4.9 8.3ENE 5.2 6.7 ENE STEEP 6.3
2024-05-25 11:40 am 6.2 4.6 9.1ENE 4.3 5.6 ENE AVERAGE 6.0
2024-05-25 11:10 am 6.9 5.2 8.3 E 4.6 5.3 ENE AVERAGE 6.4
2024-05-25 10:40 am 7.2 5.9 8.3ENE 4.3 6.2 E STEEP 6.3
2024-05-25 10:10 am 6.9 4.9 8.3ENE 4.6 5.6 ENE AVERAGE 6.2

Plot of wave energy versus frequency (and period)