Miscellaneous Hydrologic Data
Issued by NWS Los Angeles, CA

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PRECIPITATION SUMMARY
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
636 PM PDT THU APR 03 2025

...PRELIMINARY PRECIPITATION TOTALS...

THE FOLLOWING ARE 12 HOUR RAINFALL TOTALS IN INCHES
FOR THIS EVENT THROUGH 600 PM THURSDAY EVENING.

.TOP RAINFALL AMOUNTS FROM ALL LOCAL AREAS
CLEAR CREEK CITY SCHOOL (LA COUNTY).......... 0.40
PIEDRA BLANCA (VENTURA COUNTY)............... 0.34
NORTHRIDGE (LA COUNTY)....................... 0.31
ROSE VALLEY (VENTURA COUNTY)................. 0.28
ROSE VALLEY RAWS (VENTURA COUNTY)............ 0.27
MATILIJA CANYON (VENTURA COUNTY)............. 0.24
HAPPY CANYON (SBA COUNTY).................... 0.24
NORTHRIDGE (LA COUNTY)....................... 0.20
JUNCAL DAM (SBA COUNTY)...................... 0.19
SAN MARCOS PASS RAWS (SBA COUNTY)............ 0.19
EL DESEO (SBA COUNTY)........................ 0.18
MARIA YGNACIO RIDGE (SBA COUNTY)............. 0.18
HANSEN DAM (LA COUNTY)....................... 0.16
SEPULVEDA DAM (LA COUNTY).................... 0.15
PACOIMA WASH (LA COUNTY)..................... 0.14
ORTEGA HILL (VENTURA COUNTY)................. 0.13
SAN MARCOS PASS (SBA COUNTY)................. 0.13

.LA CO COAST & METRO
LA DOWNTOWN....................... 0.09
HOLLYWOOD RESERVOIR............... 0.09
LA COUNTY PARKS AND REC........... 0.07
BEVERLY HILLS..................... 0.03

.LA CO SAN FRNDO VLY
NORTHRIDGE (CSUN)................. 0.31
NORTHRIDGE........................ 0.20
HANSEN DAM........................ 0.16
SEPULVEDA DAM..................... 0.15
PACOIMA WASH...................... 0.14
VAN NUYS (KVNY)................... 0.12
TUJUNGA SPREADING GROUNDS......... 0.08
BURBANK (KBUR).................... 0.05
SAN RAFAEL HILLS.................. 0.03
LA CANADA FLINTRIDGE.............. 0.02
PORTER RANCH RAWS................. 0.02

.LA CO SAN GABR VLY
EAST PASADENA..................... 0.03
EAGLE ROCK RESERVOIR.............. 0.01

.LA CO SNTA CLRTA VLY
GRASS MOUNTAIN.................... 0.10
NEWHALL........................... 0.08
BOUQUET CYN....................... 0.04
SAUGUS............................ 0.01

.LA CO MOUNTAINS
CLEAR CREEK CITY SCHOOL........... 0.40
BIG TUJUNGA DAM................... 0.12
CLEAR CREEK....................... 0.11
MOUNT WILSON...................... 0.10
OPIDS CAMP........................ 0.08
HENNINIGER FLATS.................. 0.06
COGSWELL DAM...................... 0.04
WHITAKER PEAK..................... 0.02
CAMP 9............................ 0.01

.LA CO SNTA MNCA MNTS
SEPULVEDA CYN AT MULH............. 0.03

.LA CO ANTELOPE VLY
POPPY PARK........................ 0.01

.VTA CO INTER  VLYS
OJAI THACHER SCHOOL............... 0.15
OJAI.............................. 0.08
SULPHUR MOUNTAIN.................. 0.03
STEWART CANYON.................... 0.01
NORTH FORK MATILIJA............... 0.01

.VENTURA CO MTNS
PIEDRA BLANCA..................... 0.34
ROSE VALLEY....................... 0.28
ROSE VALLEY RAWS.................. 0.27
MATILIJA CANYON................... 0.24
TOMMY`S CK........................ 0.24
SISAR PEAK........................ 0.16
ORTEGA HILL....................... 0.13
SYCAMORE CANYON................... 0.12
WHITE LEDGE PEAK.................. 0.08
SAN GUILLERMO..................... 0.05
NORDHOFF RIDGE.................... 0.04
OLD MAN MOUNTAIN.................. 0.04

.SBA CO MOUNTAINS
HAPPY CANYON...................... 0.24
JUNCAL DAM........................ 0.19
SAN MARCOS PASS (RAWS)............ 0.19
EL DESEO.......................... 0.18
SAN MARCOS PASS................... 0.13
LOS PRIETOS....................... 0.12
KTYD TOWER........................ 0.03
DOULTON TUNNEL.................... 0.03
UPPER ROMERO...................... 0.03
TECOLOTE CANYON................... 0.02
EAST CAMINO CIELO................. 0.02
MANZANITA MOUNTAIN................ 0.02

.SBA CO SANTA YNEZ VL
LOS PRIETOS....................... 0.11
GIBRALTAR DAM..................... 0.01

.SBA CO SOUTH COAST
MARIA YGNACIO RIDGE............... 0.18
GOLETA CNTY YRD................... 0.05
SAN ROQUE......................... 0.03
CARPINTERIA RAWS.................. 0.03
CARPINTERIA....................... 0.01
SANTA BARBARA (WEST).............. 0.01

DATA COURTESY OF THE NATIONAL WEATHER SERVICE...US FOREST
SERVICE...LOS ANGELES CO DPW...LOS ANGELES CO FIRE...ARMY
CORPS OF ENGINEERS...VENTURA CO WATERSHED PROTECTION
DISTRICT...VENTURA COUNTY APCD...SANTA BARBARA CO FLOOD
CONTROL...AND SAN LUIS OBISPO CO PUBLIC WORKS.

$$