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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 16224000 Pearl Harbor Spring at Kalauao nr Aiea, Oahu, HI
Honolulu County, Hawaii
Hydrologic Unit Code 20060000
Latitude  21°22'54.8", Longitude 157°56'35.7" NAD83
Land-surface elevation 10.56 feet above LMSL
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 
1242012-08-16 09:58HSTYesRBC/TRBUSGS13.81.180.030.60Poor NONE
1232011-07-01 09:34:30HSTYesCLE/CASUSGS14.5 0.010.50Unspecified NONE
1222010-06-11 08:40HSTYesRBC/CLEUSGS11.4 0.000.70FairUnspecifedNONE
1212009-07-22 10:06HSTYesMTJ/EEMUSGS13.4 0.000.60UnspecifiedUnspecifedNONE
1202009-05-27 09:40:30HSTYesBHS/MTJUSGS15.3 0.60UnspecifiedUnspecifedNONE
1192008-07-02 10:05HSTYesRBC/STYUSGS12.7 0.150.50Poor NONE
1182008-04-22 09:20HSTYesBHS/STYUSGS16.3 Poor NONE
1172007-06-14 09:47HSTYesCLE/MTJUSGS15.1 Good NONE
1162007-04-17 09:02HSTYesDCN/STYUSGS17.2 Unspecified NONE
1152006-08-08 10:25HSTYesMTJ/TTVUSGS17.5 Unspecified NONE
1142006-05-11 10:23HSTYesTTV/VEKUSGS16.4 Fair NONE
1132005-08-18 09:03HSTYesHAJ/VEKUSGS12.2 0.000.40Fair NONE
1122005-05-09 10:48HSTYesBRH/MTBUSGS18.8 Fair NONE
1112004-07-01 08:20HSTYesVEK/STYUSGS13.2 0.000.40Fair NONE
1102004-05-18 09:34HSTYesSTY/BHSUSGS13.0 0.000.40Good NONE
1092003-07-29 10:27HSTYesMTB/STYUSGS9.93 0.000.50Fair NONE
1082003-04-30 09:42HSTYesVEK/STYUSGS11.6 0.000.50Good NONE
1072002-08-07 09:08HSTYesBHS/AKSUSGS12.0 Fair NONE
1062002-06-25 09:56HSTYesDLB/VEKUSGS12.4 Fair NONE
1052001-07-18 09:14HSTYesBHS/MFWUSGS10.7 0.050.50Good NONE
1042001-05-07 08:50HSTYesVEK/WSSUSGS10.5 Fair NONE
1032000-06-30 08:40HSTYesBRH/VEKUSGS12.3 Fair NONE
1022000-04-07 11:11HSTYesBRH/BHSUSGS11.1 Good NONE
1011999-07-29 09:45HSTYesBHSUSGS11.3 Good NONE
1001999-05-13 10:10HSTYesBHSUSGS12.6 Good NONE
991998-11-03 09:00HSTYesBHSUSGS12.3 Good NONE
981998-06-09 09:36HSTYesFMR/LAUUSGS10.7 Poor NONE
971997-09-15 09:52HSTYesGWDUSGS14.9 Good NONE
961997-02-11 11:53HSTYesGWDUSGS13.2 Good NONE
951996-07-29 09:25HSTYesDWL/BHSUSGS10.6 Fair NONE
941996-03-19 11:38HSTYesGWD/CLEUSGS11.1 Good NONE
931995-08-10 08:43HSTYesBHS/VEKUSGS14.0 Good NONE
921995-05-15 11:00HSTYesCLE/DWMUSGS14.9 Good NONE
911994-06-23 13:00HSTYesKLS/DWMUSGS12.3 Good NONE
901994-03-29 09:20HSTYesGWD/DWMUSGS12.9 Good NONE
891993-07-20 10:30HSTYesGWD/RLTUSGS4.70 Unspecified NONE
881993-03-10 11:35HSTYesBHSUSGS13.6 Good NONE
871992-07-30 11:00HSTYesDCN/DSOUSGS10.5 Fair NONE
861992-04-16 09:15HSTYesGWD/DWMUSGS5.87 Fair NONE
851991-05-29 10:55HSTYesDKN/DCNUSGS15.6 Unspecified NONE
841990-06-07 09:15HSTYesGWD/DCNUSGS14.3 Fair NONE
831989-04-06 10:55HSTYesDFB/BHSUSGS17.6 Unspecified NONE
821988-07-29 09:45HSTYesGD /WCUSGS13.8 Poor NONE
811988-03-17 10:20HSTYesBHS/PSUSGS15.9 Good NONE
801987-06-25 09:20HSTYesGWD/RTUSGS13.0 Unspecified NONE
791986-07-22 08:20HSTYesGWD/RDTUSGS11.7 Good NONE
781986-03-28 09:45HSTYesGWD/RDTUSGS12.7 Good NONE
771985-07-17 07:30HSTYesGWD/RTUSGS10.3 Good NONE
761985-04-09 10:05HSTYesBHS/RTUSGS13.9 Good NONE
751984-11-07 09:50HSTYesBHSUSGS12.6 Good NONE
741984-07-13 09:30HSTYesBHSUSGS12.1 Good NONE
731984-04-16 10:00HSTYesBHSUSGS14.0 Good NONE
721983-04-25 09:30HSTYesGWDUSGS19.6 Good NONE
711982-05-24 10:25HSTYesBHS/TMUSGS18.0 Good NONE
701981-06-04 11:00HSTYesGWD/DCNUSGS14.5 Unspecified NONE
691981-03-09 14:00HSTYesGWD/PREUSGS16.0 Good NONE
681980-04-18 09:20HSTYesGWD/DCNUSGS14.2 Good NONE
671979-09-05 08:55HSTYesBHS/GWDUSGS14.2 Fair NONE
661979-04-12 10:10HSTYesGWD/MGLUSGS15.8 Fair NONE
651978-08-17 08:45HSTYesGWDUSGS11.6 Fair NONE
641978-03-29 12:00HSTYesBHS/GWDUSGS13.4 Fair NONE
631977-09-13 09:25HSTYesGWD/BHSUSGS12.0 Fair NONE
621977-04-07 11:30HSTYesGWD/BHSUSGS12.0 Fair NONE
611977-01-12 13:25HSTYesFMRUSGS14.9 Good NONE
601976-06-11 07:35HSTYesGWDUSGS15.2 Fair NONE
591976-01-22 09:20HSTYesGWD/MGLUSGS17.3 Fair NONE
581975-06-10 09:00HSTYesGWDUSGS18.9 Unspecified NONE
571975-03-03 10:30HSTYesGWD/BHSUSGS19.9 Good NONE
561974-03-28 13:15HSTYesGWD/HMUSGS18.2 Good NONE
551973-09-24 11:20HSTYesHM /GWDUSGS11.4 Fair NONE
541973-07-02 09:20HSTYesFMR/MGLUSGS13.7 0.000.40Good NONE
531972-09-25 12:10HSTYesGWDUSGS15.1 Poor NONE
521972-07-11 08:55HSTYesFMR/GWDUSGS16.4 Unspecified NONE
511972-06-01 09:05HSTYesHM /MGLUSGS16.2 Fair NONE
501971-09-03 07:20HSTYesGWDUSGS17.4 Poor NONE
491970-09-15 12:15HSTYesGWD/FMRUSGS15.9 Unspecified NONE
48B1970-07-20 -- ----YesnwisUSGS16.0 Unspecified NONE
48A1970-06-03 -- ----YesnwisUSGS19.0 Unspecified NONE
481969-12-08 14:45HSTYesFMR/GWDUSGS23.5 Good NONE
47A1968-05-24 -- ----YesnwisUSGS26.6 Unspecified NONE
471968-02-15 10:45HSTYesHWS/CJEUSGS27.4 Good NONE
461967-10-17 12:00HSTYesIYUSGS21.0 Unspecified NONE
451967-07-10 11:10HSTYesFMRUSGS23.6 Fair NONE
44D1967-06-23 -- ----YesnwisUSGS22.6 Unspecified NONE
44C1967-04-20 -- ----YesnwisUSGS24.3 Unspecified NONE
44B1967-04-13 -- ----YesnwisUSGS23.8 Unspecified NONE
44A1967-03-02 -- ----YesnwisUSGS22.7 Unspecified NONE
441967-02-07 11:05HSTYesIY /RHDUSGS24.4 0.000.50Fair NONE