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MERCED RIVER - YOSEMITE NP AT HAPPY ISLES (HPIC1)
| Latitude: 37.73º N | Longitude: 119.56º W | Elevation: 4017 Feet | | | |
| Location: Mariposa County in California | Bulletin Group: San Joaquin | River Group: San Joaquin |
| Issuance Time: | May 31 2023 at 8:46 AM PDT | Next Issuance: | Jun 01 2023 at 9:00 AM PDT
| |
| Monitor Stage: N/A | Flood Stage: 8.0 Feet |
# Tabular Observed and Forecast Hydrograph Information
#
# Location: Merced River - Yosemite NP at Happy Isles (HPIC1)
#
# File Generation Time: 05/31/2023 at 08:48 AM PDT
# Data Interval: 1 Hour
#
# Most Recent Date & Time of Maximum Observed: 05/30/2023 at 02:00 AM PDT
# Maximum Observed Stage: 7.4 Feet
# Maximum Observed Flow: 3655 cfs
#
# Earliest Date & Time of Maximum Forecast: 06/05/2023 at 03:00 AM PDT
# Maximum Forecast Stage: 7.9 Feet
# Maximum Forecast Flow: 4238 cfs
#
# OBSERVED
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Observed Status
# ---------------------------------------------------------------------------------
05/26/2023 08 AM PDT 7.2 3386 Normal
05/26/2023 09 AM PDT 7.1 3273 - Normal
05/26/2023 10 AM PDT 7.0 3184 - Normal
05/26/2023 11 AM PDT 7.0 3140 - Normal
05/26/2023 12 PM PDT 6.9 3108 - Normal
05/26/2023 01 PM PDT 6.9 3097 - Normal
05/26/2023 02 PM PDT 6.8 3000 - Normal
05/26/2023 03 PM PDT 6.8 3032 + Normal
05/26/2023 04 PM PDT 6.8 2979 - Normal
05/26/2023 05 PM PDT 6.9 3043 + Normal
05/26/2023 06 PM PDT 7.0 3140 + Normal
05/26/2023 07 PM PDT 7.0 3184 + Normal
05/26/2023 08 PM PDT 7.0 3251 + Normal
05/26/2023 09 PM PDT 7.1 3318 + Normal
05/26/2023 10 PM PDT 7.1 3307 - Normal
05/26/2023 11 PM PDT 7.0 3229 - Normal
05/27/2023 12 AM PDT 7.0 3218 - Normal
05/27/2023 01 AM PDT 7.0 3240 + Normal
05/27/2023 02 AM PDT 7.0 3240 0 Normal
05/27/2023 03 AM PDT 7.0 3151 - Normal
05/27/2023 04 AM PDT 6.9 3130 - Normal
05/27/2023 05 AM PDT 6.9 3097 - Normal
05/27/2023 06 AM PDT 6.9 3064 - Normal
05/27/2023 07 AM PDT 6.8 2989 - Normal
05/27/2023 08 AM PDT 6.8 2947 - Normal
05/27/2023 09 AM PDT 6.8 2936 - Normal
05/27/2023 10 AM PDT 6.7 2853 - Normal
05/27/2023 11 AM PDT 6.6 2801 - Normal
05/27/2023 12 PM PDT 6.5 2719 - Normal
05/27/2023 01 PM PDT 6.6 2770 + Normal
05/27/2023 02 PM PDT 6.5 2699 - Normal
05/27/2023 03 PM PDT 6.5 2719 + Normal
05/27/2023 04 PM PDT 6.6 2770 + Normal
05/27/2023 05 PM PDT 6.6 2811 + Normal
05/27/2023 06 PM PDT 6.7 2884 + Normal
05/27/2023 07 PM PDT 6.9 3043 + Normal
05/27/2023 08 PM PDT 6.9 3119 + Normal
05/27/2023 09 PM PDT 7.0 3218 + Normal
05/27/2023 10 PM PDT 7.0 3240 + Normal
05/27/2023 11 PM PDT 7.0 3251 + Normal
05/28/2023 12 AM PDT 7.2 3364 + Normal
05/28/2023 01 AM PDT 7.1 3341 - Normal
05/28/2023 02 AM PDT 7.2 3386 + Normal
05/28/2023 03 AM PDT 7.2 3375 - Normal
05/28/2023 04 AM PDT 7.1 3296 - Normal
05/28/2023 05 AM PDT 7.1 3273 - Normal
05/28/2023 06 AM PDT 7.1 3296 + Normal
05/28/2023 07 AM PDT 7.1 3273 - Normal
05/28/2023 08 AM PDT 7.0 3251 - Normal
05/28/2023 09 AM PDT 7.0 3162 - Normal
05/28/2023 10 AM PDT 6.9 3097 - Normal
05/28/2023 11 AM PDT 6.9 3064 - Normal
05/28/2023 12 PM PDT 6.9 3054 - Normal
05/28/2023 01 PM PDT 6.8 3011 - Normal
05/28/2023 02 PM PDT 6.7 2905 - Normal
05/28/2023 03 PM PDT 6.7 2915 + Normal
05/28/2023 04 PM PDT 6.8 2926 + Normal
05/28/2023 05 PM PDT 6.8 2936 + Normal
05/28/2023 06 PM PDT 6.8 3011 + Normal
05/28/2023 07 PM PDT 6.9 3075 + Normal
05/28/2023 08 PM PDT 6.9 3097 + Normal
05/28/2023 09 PM PDT 7.0 3151 + Normal
05/28/2023 10 PM PDT 7.0 3229 + Normal
05/28/2023 11 PM PDT 7.0 3173 - Normal
05/29/2023 12 AM PDT 7.0 3240 + Normal
05/29/2023 01 AM PDT 7.0 3218 - Normal
05/29/2023 02 AM PDT 7.1 3273 + Normal
05/29/2023 03 AM PDT 7.0 3240 - Normal
05/29/2023 04 AM PDT 7.0 3240 0 Normal
05/29/2023 05 AM PDT 7.0 3207 - Normal
05/29/2023 06 AM PDT 7.0 3140 - Normal
05/29/2023 07 AM PDT 7.0 3140 0 Normal
05/29/2023 08 AM PDT 7.0 3151 + Normal
05/29/2023 09 AM PDT 6.9 3086 - Normal
05/29/2023 10 AM PDT 6.8 3032 - Normal
05/29/2023 11 AM PDT 6.8 2968 - Normal
05/29/2023 12 PM PDT 6.8 2947 - Normal
05/29/2023 01 PM PDT 6.8 2936 - Normal
05/29/2023 02 PM PDT 6.8 2926 - Normal
05/29/2023 03 PM PDT 6.7 2832 - Normal
05/29/2023 04 PM PDT 6.7 2884 + Normal
05/29/2023 05 PM PDT 6.8 2947 + Normal
05/29/2023 06 PM PDT 6.9 3086 + Normal
05/29/2023 07 PM PDT 7.0 3240 + Normal
05/29/2023 08 PM PDT 7.1 3352 + Normal
05/29/2023 09 PM PDT 7.2 3421 + Normal
05/29/2023 10 PM PDT 7.3 3490 + Normal
05/29/2023 11 PM PDT 7.3 3584 + Normal
05/30/2023 12 AM PDT 7.3 3595 + Normal
05/30/2023 01 AM PDT 7.4 3619 + Normal
05/30/2023 02 AM PDT 7.4 3655 + Normal
05/30/2023 03 AM PDT 7.4 3607 - Normal
05/30/2023 04 AM PDT 7.3 3584 - Normal
05/30/2023 05 AM PDT 7.4 3643 + Normal
05/30/2023 06 AM PDT 7.3 3537 - Normal
05/30/2023 07 AM PDT 7.3 3525 - Normal
05/30/2023 08 AM PDT 7.3 3513 - Normal
05/30/2023 09 AM PDT 7.2 3432 - Normal
05/30/2023 10 AM PDT 7.1 3352 - Normal
05/30/2023 11 AM PDT 7.1 3318 - Normal
05/30/2023 12 PM PDT 7.0 3229 - Normal
05/30/2023 01 PM PDT 7.0 3140 - Normal
05/30/2023 02 PM PDT 6.9 3075 - Normal
05/30/2023 03 PM PDT 6.9 3064 - Normal
05/30/2023 04 PM PDT 6.8 3032 - Normal
05/30/2023 05 PM PDT 6.9 3043 + Normal
05/30/2023 06 PM PDT 6.9 3086 + Normal
05/30/2023 07 PM PDT 6.9 3097 + Normal
05/30/2023 08 PM PDT 7.0 3195 + Normal
05/30/2023 09 PM PDT 7.1 3285 + Normal
05/30/2023 10 PM PDT 7.1 3273 - Normal
05/30/2023 11 PM PDT 7.1 3318 + Normal
05/31/2023 12 AM PDT 7.2 3409 + Normal
05/31/2023 01 AM PDT 7.2 3444 + Normal
05/31/2023 02 AM PDT 7.2 3444 0 Normal
05/31/2023 03 AM PDT 7.2 3467 + Normal
05/31/2023 04 AM PDT 7.2 3467 0 Normal
05/31/2023 05 AM PDT 7.2 3455 - Normal
05/31/2023 06 AM PDT 7.2 3386 - Normal
05/31/2023 07 AM PDT 7.1 3296 - Normal
05/31/2023 08 AM PDT 7.0 3218 - Normal
#
# FORECAST
#
# Date & Time (Local) Stage (Feet) Flow (cfs) Trend Forecast Status
# ---------------------------------------------------------------------------------
05/31/2023 09 AM PDT 6.9 3130 Normal
05/31/2023 10 AM PDT 6.9 3043 - Normal
05/31/2023 11 AM PDT 6.8 2936 - Normal
05/31/2023 12 PM PDT 6.7 2842 - Normal
05/31/2023 01 PM PDT 6.6 2750 - Normal
05/31/2023 02 PM PDT 6.5 2709 - Normal
05/31/2023 03 PM PDT 6.5 2659 - Normal
05/31/2023 04 PM PDT 6.4 2610 - Normal
05/31/2023 05 PM PDT 6.5 2649 + Normal
05/31/2023 06 PM PDT 6.6 2781 + Normal
05/31/2023 07 PM PDT 6.7 2873 + Normal
05/31/2023 08 PM PDT 6.8 3011 + Normal
05/31/2023 09 PM PDT 7.0 3140 + Normal
05/31/2023 10 PM PDT 7.0 3251 + Normal
05/31/2023 11 PM PDT 7.1 3330 + Normal
06/01/2023 12 AM PDT 7.1 3352 + Normal
06/01/2023 01 AM PDT 7.2 3386 + Normal
06/01/2023 02 AM PDT 7.2 3409 + Normal
06/01/2023 03 AM PDT 7.2 3421 + Normal
06/01/2023 04 AM PDT 7.2 3398 - Normal
06/01/2023 05 AM PDT 7.2 3364 - Normal
06/01/2023 06 AM PDT 7.1 3318 - Normal
06/01/2023 07 AM PDT 7.0 3240 - Normal
06/01/2023 08 AM PDT 7.0 3173 - Normal
06/01/2023 09 AM PDT 6.9 3097 - Normal
06/01/2023 10 AM PDT 6.8 3021 - Normal
06/01/2023 11 AM PDT 6.8 2926 - Normal
06/01/2023 12 PM PDT 6.7 2832 - Normal
06/01/2023 01 PM PDT 6.6 2740 - Normal
06/01/2023 02 PM PDT 6.5 2679 - Normal
06/01/2023 03 PM PDT 6.5 2629 - Normal
06/01/2023 04 PM PDT 6.4 2570 - Normal
06/01/2023 05 PM PDT 6.4 2590 + Normal
06/01/2023 06 PM PDT 6.5 2719 + Normal
06/01/2023 07 PM PDT 6.6 2801 + Normal
06/01/2023 08 PM PDT 6.8 2926 + Normal
06/01/2023 09 PM PDT 6.9 3054 + Normal
06/01/2023 10 PM PDT 7.0 3162 + Normal
06/01/2023 11 PM PDT 7.0 3229 + Normal
06/02/2023 12 AM PDT 7.0 3251 + Normal
06/02/2023 01 AM PDT 7.1 3285 + Normal
06/02/2023 02 AM PDT 7.1 3318 + Normal
06/02/2023 03 AM PDT 7.1 3318 0 Normal
06/02/2023 04 AM PDT 7.1 3307 - Normal
06/02/2023 05 AM PDT 7.1 3273 - Normal
06/02/2023 06 AM PDT 7.0 3218 - Normal
06/02/2023 07 AM PDT 7.0 3140 - Normal
06/02/2023 08 AM PDT 6.9 3064 - Normal
06/02/2023 09 AM PDT 6.8 2989 - Normal
06/02/2023 10 AM PDT 6.7 2915 - Normal
06/02/2023 11 AM PDT 6.7 2822 - Normal
06/02/2023 12 PM PDT 6.5 2719 - Normal
06/02/2023 01 PM PDT 6.5 2629 - Normal
06/02/2023 02 PM PDT 6.4 2570 - Normal
06/02/2023 03 PM PDT 6.3 2522 - Normal
06/02/2023 04 PM PDT 6.3 2464 - Normal
06/02/2023 05 PM PDT 6.3 2493 + Normal
06/02/2023 06 PM PDT 6.5 2629 + Normal
06/02/2023 07 PM PDT 6.5 2719 + Normal
06/02/2023 08 PM PDT 6.7 2853 + Normal
06/02/2023 09 PM PDT 6.8 2989 + Normal
06/02/2023 10 PM PDT 6.9 3108 + Normal
06/02/2023 11 PM PDT 7.0 3173 + Normal
06/03/2023 12 AM PDT 7.0 3218 + Normal
06/03/2023 01 AM PDT 7.1 3262 + Normal
06/03/2023 02 AM PDT 7.1 3307 + Normal
06/03/2023 03 AM PDT 7.1 3330 + Normal
06/03/2023 04 AM PDT 7.1 3330 0 Normal
06/03/2023 05 AM PDT 7.1 3307 - Normal
06/03/2023 06 AM PDT 7.1 3273 - Normal
06/03/2023 07 AM PDT 7.0 3207 - Normal
06/03/2023 08 AM PDT 7.0 3140 - Normal
06/03/2023 09 AM PDT 6.9 3086 - Normal
06/03/2023 10 AM PDT 6.8 3021 - Normal
06/03/2023 11 AM PDT 6.8 2936 - Normal
06/03/2023 12 PM PDT 6.7 2863 - Normal
06/03/2023 01 PM PDT 6.6 2791 - Normal
06/03/2023 02 PM PDT 6.6 2750 - Normal
06/03/2023 03 PM PDT 6.5 2719 - Normal
06/03/2023 04 PM PDT 6.5 2689 - Normal
06/03/2023 05 PM PDT 6.6 2750 + Normal
06/03/2023 06 PM PDT 6.7 2915 + Normal
06/03/2023 07 PM PDT 6.8 3032 + Normal
06/03/2023 08 PM PDT 7.0 3207 + Normal
06/03/2023 09 PM PDT 7.2 3375 + Normal
06/03/2023 10 PM PDT 7.3 3525 + Normal
06/03/2023 11 PM PDT 7.4 3643 + Normal
06/04/2023 12 AM PDT 7.4 3690 + Normal
06/04/2023 01 AM PDT 7.5 3739 + Normal
06/04/2023 02 AM PDT 7.5 3787 + Normal
06/04/2023 03 AM PDT 7.5 3811 + Normal
06/04/2023 04 AM PDT 7.5 3811 0 Normal
06/04/2023 05 AM PDT 7.5 3787 - Normal
06/04/2023 06 AM PDT 7.5 3726 - Normal
06/04/2023 07 AM PDT 7.4 3655 - Normal
06/04/2023 08 AM PDT 7.3 3572 - Normal
06/04/2023 09 AM PDT 7.3 3490 - Normal
06/04/2023 10 AM PDT 7.2 3421 - Normal
06/04/2023 11 AM PDT 7.1 3318 - Normal
06/04/2023 12 PM PDT 7.0 3229 - Normal
06/04/2023 01 PM PDT 7.0 3140 - Normal
06/04/2023 02 PM PDT 6.9 3108 - Normal
06/04/2023 03 PM PDT 6.9 3064 - Normal
06/04/2023 04 PM PDT 6.8 3032 - Normal
06/04/2023 05 PM PDT 6.9 3097 + Normal
06/04/2023 06 PM PDT 7.1 3285 + Normal
06/04/2023 07 PM PDT 7.2 3421 + Normal
06/04/2023 08 PM PDT 7.4 3607 + Normal
06/04/2023 09 PM PDT 7.5 3811 + Normal
06/04/2023 10 PM PDT 7.7 3984 + Normal
06/04/2023 11 PM PDT 7.8 4097 + Normal
06/05/2023 12 AM PDT 7.8 4136 + Normal
06/05/2023 01 AM PDT 7.8 4187 + Normal
06/05/2023 02 AM PDT 7.9 4225 + Normal
06/05/2023 03 AM PDT 7.9 4238 + Normal
06/05/2023 04 AM PDT 7.9 4225 - Normal
06/05/2023 05 AM PDT 7.8 4174 - Normal
#
# NOTE 1: Stages are rounded to the nearest tenth (.1) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.
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