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Live/Water/South Dakota/Boxelder Creek 4 NW Rapid City

Boxelder Creek 4 NW Rapid City

A gauge on the Boxelder Creek in Pennington County, South Dakota. Its stage was 29.70 ft as of Oct 15, 7:40 PM MDT.

Gauge BNRS2Pennington County, South DakotaEvery gauge in South Dakota

Stage now
29.70 ftreported Oct 15, 7:40 PM MDT
24 hour change
Fell 0.01 ftsince Oct 14, 7:40 PM
Elevation
3,465 ftabove sea level
County
Pennington County
Position
44.1317° N, 103.2983° W
Record since
2007

Water level

Boxelder Creek 4 NW Rapid City

Stage is the height of the water's surface above the gauge's own fixed zero, in feet, not the depth of the water. Every point drawn is a reading the gauge sent, at the time it sent it.

Water level, 24 hours at Boxelder Creek 4 NW Rapid City: the water from 29.69 to 29.72 feet of stage, the latest 29.70 feet.WATER LEVEL, 24 HOURSFTHIGH 29.72 FT, OCT 15, 9:45 AM · LOW 29.69 FT, OCT 15, 5:40 PM29.6529.6829.7029.7329.7529.779 PMOct 153 AM6 AM9 AM12 PM3 PM6 PM29.70
Latest
29.70 ftOct 15, 7:40 PM
Highest
29.72 ftOct 15, 9:45 AM
Lowest
29.69 ftOct 15, 5:40 PM
Range
0.03 fthighest less lowest
Change
Fell 0.01 ftsince Oct 14, 8:45 PM
Readings
276
The readings these charts were drawn from, as a table
TimeStage ft
Oct 15, 7:40 PM29.70
Oct 15, 7:35 PM29.70
Oct 15, 7:30 PM29.70
Oct 15, 7:25 PM29.70
Oct 15, 7:20 PM29.71
Oct 15, 7:15 PM29.70
Oct 15, 7:10 PM29.70
Oct 15, 7:05 PM29.71
Oct 15, 7:00 PM29.71
Oct 15, 6:55 PM29.71
Oct 15, 6:50 PM29.70
Oct 15, 6:45 PM29.70
Oct 15, 6:40 PM29.70
Oct 15, 6:35 PM29.70
Oct 15, 6:30 PM29.71
Oct 15, 6:25 PM29.70
Oct 15, 6:20 PM29.70
Oct 15, 6:15 PM29.71
Oct 15, 6:10 PM29.70
Oct 15, 6:05 PM29.70
Oct 15, 6:00 PM29.70
Oct 15, 5:55 PM29.71
Oct 15, 5:50 PM29.70
Oct 15, 5:45 PM29.71
Oct 15, 5:40 PM29.69
Oct 15, 5:35 PM29.70
Oct 15, 5:30 PM29.70
Oct 15, 5:25 PM29.71
Oct 15, 5:20 PM29.71
Oct 15, 5:15 PM29.71
Oct 15, 5:10 PM29.70
Oct 15, 5:05 PM29.71
Oct 15, 5:00 PM29.70
Oct 15, 4:55 PM29.70
Oct 15, 4:50 PM29.71
Oct 15, 4:45 PM29.70
Oct 15, 4:40 PM29.70
Oct 15, 4:35 PM29.71
Oct 15, 4:30 PM29.71
Oct 15, 4:25 PM29.71
Oct 15, 4:20 PM29.71
Oct 15, 4:15 PM29.70
Oct 15, 4:10 PM29.71
Oct 15, 4:05 PM29.71
Oct 15, 4:00 PM29.71
Oct 15, 3:55 PM29.71
Oct 15, 3:50 PM29.70
Oct 15, 3:45 PM29.71
Oct 15, 3:40 PM29.71
Oct 15, 3:35 PM29.71
Oct 15, 3:30 PM29.70
Oct 15, 3:25 PM29.72
Oct 15, 3:20 PM29.71
Oct 15, 3:15 PM29.71
Oct 15, 3:10 PM29.70
Oct 15, 3:05 PM29.70
Oct 15, 3:00 PM29.71
Oct 15, 2:55 PM29.71
Oct 15, 2:50 PM29.71
Oct 15, 2:45 PM29.70
Oct 15, 2:40 PM29.71
Oct 15, 2:35 PM29.71
Oct 15, 2:30 PM29.71
Oct 15, 2:25 PM29.71
Oct 15, 2:20 PM29.71
Oct 15, 2:15 PM29.71
Oct 15, 2:10 PM29.71
Oct 15, 2:05 PM29.71
Oct 15, 2:00 PM29.70
Oct 15, 1:55 PM29.71
Oct 15, 1:50 PM29.71
Oct 15, 1:45 PM29.71
Oct 15, 1:40 PM29.71
Oct 15, 1:35 PM29.71
Oct 15, 1:30 PM29.71
Oct 15, 1:25 PM29.71
Oct 15, 1:20 PM29.71
Oct 15, 1:15 PM29.71
Oct 15, 1:10 PM29.71
Oct 15, 1:05 PM29.71
Oct 15, 1:00 PM29.71
Oct 15, 12:55 PM29.71
Oct 15, 12:50 PM29.71
Oct 15, 12:45 PM29.71
Oct 15, 12:40 PM29.71
Oct 15, 12:35 PM29.71
Oct 15, 12:30 PM29.71
Oct 15, 12:25 PM29.71
Oct 15, 12:20 PM29.71
Oct 15, 12:15 PM29.71
Oct 15, 12:10 PM29.71
Oct 15, 12:05 PM29.71
Oct 15, 12:00 PM29.72
Oct 15, 11:55 AM29.71
Oct 15, 11:50 AM29.71
Oct 15, 11:45 AM29.71
Oct 15, 11:40 AM29.71
Oct 15, 11:35 AM29.71
Oct 15, 11:30 AM29.72
Oct 15, 11:25 AM29.72
Oct 15, 11:20 AM29.71
Oct 15, 11:15 AM29.71
Oct 15, 11:10 AM29.71
Oct 15, 11:05 AM29.72
Oct 15, 11:00 AM29.72
Oct 15, 10:55 AM29.71
Oct 15, 10:50 AM29.71
Oct 15, 10:45 AM29.72
Oct 15, 10:40 AM29.71
Oct 15, 10:35 AM29.71
Oct 15, 10:30 AM29.71
Oct 15, 10:25 AM29.71
Oct 15, 10:20 AM29.71
Oct 15, 10:15 AM29.71
Oct 15, 10:10 AM29.71
Oct 15, 10:05 AM29.71
Oct 15, 10:00 AM29.72
Oct 15, 9:55 AM29.72
Oct 15, 9:50 AM29.71
Oct 15, 9:45 AM29.72
Oct 15, 9:40 AM29.71
Oct 15, 9:35 AM29.71
Oct 15, 9:30 AM29.71
Oct 15, 9:25 AM29.71
Oct 15, 9:20 AM29.71
Oct 15, 9:15 AM29.71
Oct 15, 9:10 AM29.71
Oct 15, 9:05 AM29.71
Oct 15, 9:00 AM29.71
Oct 15, 8:55 AM29.71
Oct 15, 8:50 AM29.71
Oct 15, 8:45 AM29.71
Oct 15, 8:40 AM29.71
Oct 15, 8:35 AM29.71
Oct 15, 8:30 AM29.71
Oct 15, 8:25 AM29.71
Oct 15, 8:20 AM29.71
Oct 15, 8:15 AM29.71
Oct 15, 8:10 AM29.71
Oct 15, 8:05 AM29.71
Oct 15, 8:00 AM29.71
Oct 15, 7:55 AM29.71
Oct 15, 7:50 AM29.71
Oct 15, 7:45 AM29.71
Oct 15, 7:40 AM29.71
Oct 15, 7:35 AM29.71
Oct 15, 7:30 AM29.71
Oct 15, 7:25 AM29.70
Oct 15, 7:20 AM29.71
Oct 15, 7:15 AM29.71
Oct 15, 7:10 AM29.71
Oct 15, 7:05 AM29.71
Oct 15, 7:00 AM29.71
Oct 15, 6:55 AM29.71
Oct 15, 6:50 AM29.71
Oct 15, 6:45 AM29.71
Oct 15, 6:40 AM29.70
Oct 15, 6:35 AM29.71
Oct 15, 6:30 AM29.71
Oct 15, 6:25 AM29.71
Oct 15, 6:20 AM29.70
Oct 15, 6:15 AM29.71
Oct 15, 6:10 AM29.71
Oct 15, 6:05 AM29.71
Oct 15, 6:00 AM29.71
Oct 15, 5:55 AM29.71
Oct 15, 5:50 AM29.71
Oct 15, 5:45 AM29.71
Oct 15, 5:40 AM29.71
Oct 15, 5:35 AM29.71
Oct 15, 5:30 AM29.71
Oct 15, 5:25 AM29.71
Oct 15, 5:20 AM29.71
Oct 15, 5:15 AM29.71
Oct 15, 5:10 AM29.71
Oct 15, 5:05 AM29.71
Oct 15, 5:00 AM29.71
Oct 15, 4:55 AM29.71
Oct 15, 4:50 AM29.71
Oct 15, 4:45 AM29.71
Oct 15, 4:40 AM29.71
Oct 15, 4:35 AM29.71
Oct 15, 4:30 AM29.71
Oct 15, 4:25 AM29.71
Oct 15, 4:20 AM29.71
Oct 15, 4:15 AM29.71
Oct 15, 4:10 AM29.71
Oct 15, 4:05 AM29.71
Oct 15, 4:00 AM29.71
Oct 15, 3:55 AM29.71
Oct 15, 3:50 AM29.71
Oct 15, 3:45 AM29.71
Oct 15, 3:40 AM29.71
Oct 15, 3:35 AM29.71
Oct 15, 3:30 AM29.71
Oct 15, 3:25 AM29.71
Oct 15, 3:20 AM29.71
Oct 15, 3:15 AM29.71
Oct 15, 3:10 AM29.71
Oct 15, 3:05 AM29.71
Oct 15, 3:00 AM29.71
Oct 15, 2:55 AM29.71
Oct 15, 2:50 AM29.71
Oct 15, 2:45 AM29.71
Oct 15, 2:40 AM29.71
Oct 15, 2:35 AM29.71
Oct 15, 2:30 AM29.71
Oct 15, 2:25 AM29.71
Oct 15, 2:20 AM29.71
Oct 15, 2:15 AM29.71
Oct 15, 2:10 AM29.71
Oct 15, 2:05 AM29.71
Oct 15, 2:00 AM29.71
Oct 15, 1:55 AM29.71
Oct 15, 1:50 AM29.71
Oct 15, 1:45 AM29.71
Oct 15, 1:40 AM29.71
Oct 15, 1:35 AM29.71
Oct 15, 1:30 AM29.71
Oct 15, 1:25 AM29.71
Oct 15, 1:20 AM29.71
Oct 15, 1:15 AM29.71
Oct 15, 1:10 AM29.71
Oct 15, 1:05 AM29.71
Oct 15, 1:00 AM29.71
Oct 15, 12:55 AM29.71
Oct 15, 12:50 AM29.71
Oct 15, 12:45 AM29.71
Oct 15, 12:40 AM29.71
Oct 15, 12:35 AM29.71
Oct 15, 12:30 AM29.71
Oct 15, 12:25 AM29.71
Oct 15, 12:20 AM29.71
Oct 15, 12:15 AM29.71
Oct 15, 12:10 AM29.71
Oct 15, 12:05 AM29.71
Oct 15, 12:00 AM29.71
Oct 14, 11:55 PM29.71
Oct 14, 11:50 PM29.71
Oct 14, 11:45 PM29.71
Oct 14, 11:40 PM29.71
Oct 14, 11:35 PM29.71
Oct 14, 11:30 PM29.71
Oct 14, 11:25 PM29.71
Oct 14, 11:20 PM29.71
Oct 14, 11:15 PM29.71
Oct 14, 11:10 PM29.71
Oct 14, 11:05 PM29.71
Oct 14, 11:00 PM29.71
Oct 14, 10:55 PM29.71
Oct 14, 10:50 PM29.71
Oct 14, 10:45 PM29.71
Oct 14, 10:40 PM29.71
Oct 14, 10:35 PM29.71
Oct 14, 10:30 PM29.71
Oct 14, 10:25 PM29.71
Oct 14, 10:20 PM29.71
Oct 14, 10:15 PM29.71
Oct 14, 10:10 PM29.71
Oct 14, 10:05 PM29.71
Oct 14, 10:00 PM29.71
Oct 14, 9:55 PM29.71
Oct 14, 9:50 PM29.71
Oct 14, 9:45 PM29.71
Oct 14, 9:40 PM29.71
Oct 14, 9:35 PM29.71
Oct 14, 9:30 PM29.71
Oct 14, 9:25 PM29.71
Oct 14, 9:20 PM29.71
Oct 14, 9:15 PM29.71
Oct 14, 9:10 PM29.71
Oct 14, 9:05 PM29.71
Oct 14, 9:00 PM29.71
Oct 14, 8:55 PM29.71
Oct 14, 8:50 PM29.71
Oct 14, 8:45 PM29.71
Water level, 7 days at Boxelder Creek 4 NW Rapid City: the water from 29.69 to 29.72 feet of stage, the latest 29.70 feet.WATER LEVEL, 7 DAYSFTHIGH 29.72 FT, OCT 9, 8:55 AM · LOW 29.69 FT, OCT 9, 5:30 AM29.6529.6829.7029.7329.7529.77Fri 9Sat 10Sun 11Mon 12Tue 13Wed 14Thu 1529.70
Latest
29.70 ftOct 15, 7:40 PM
Highest
29.72 ftOct 9, 8:55 AM
Lowest
29.69 ftOct 9, 5:30 AM
Range
0.03 fthighest less lowest
Change
No changesince Oct 8, 8:45 PM
Readings
1,992
The readings these charts were drawn from, as a table
TimeStage ft
Oct 15, 7:40 PM29.70
Oct 15, 6:55 PM29.71
Oct 15, 5:55 PM29.71
Oct 15, 4:55 PM29.70
Oct 15, 3:55 PM29.71
Oct 15, 2:55 PM29.71
Oct 15, 1:55 PM29.71
Oct 15, 12:55 PM29.71
Oct 15, 11:55 AM29.71
Oct 15, 10:55 AM29.71
Oct 15, 9:55 AM29.72
Oct 15, 8:55 AM29.71
Oct 15, 7:55 AM29.71
Oct 15, 6:55 AM29.71
Oct 15, 5:55 AM29.71
Oct 15, 4:55 AM29.71
Oct 15, 3:55 AM29.71
Oct 15, 2:55 AM29.71
Oct 15, 1:55 AM29.71
Oct 15, 12:55 AM29.71
Oct 14, 11:55 PM29.71
Oct 14, 10:55 PM29.71
Oct 14, 9:55 PM29.71
Oct 14, 8:55 PM29.71
Oct 14, 7:55 PM29.71
Oct 14, 6:55 PM29.71
Oct 14, 5:55 PM29.71
Oct 14, 4:55 PM29.71
Oct 14, 3:55 PM29.71
Oct 14, 2:55 PM29.71
Oct 14, 1:55 PM29.71
Oct 14, 12:55 PM29.71
Oct 14, 11:55 AM29.71
Oct 14, 10:55 AM29.71
Oct 14, 9:55 AM29.71
Oct 14, 8:55 AM29.71
Oct 14, 7:55 AM29.70
Oct 14, 6:55 AM29.70
Oct 14, 5:55 AM29.70
Oct 14, 4:55 AM29.70
Oct 14, 3:55 AM29.70
Oct 14, 2:55 AM29.71
Oct 14, 1:55 AM29.71
Oct 14, 12:55 AM29.71
Oct 13, 11:55 PM29.71
Oct 13, 10:55 PM29.71
Oct 13, 9:55 PM29.71
Oct 13, 8:55 PM29.71
Oct 13, 7:55 PM29.71
Oct 13, 6:55 PM29.71
Oct 13, 5:55 PM29.71
Oct 13, 4:55 PM29.71
Oct 13, 3:55 PM29.71
Oct 13, 2:55 PM29.71
Oct 13, 1:55 PM29.71
Oct 13, 12:55 PM29.71
Oct 13, 11:55 AM29.71
Oct 13, 10:55 AM29.71
Oct 13, 9:55 AM29.70
Oct 13, 8:55 AM29.70
Oct 13, 7:55 AM29.70
Oct 13, 6:55 AM29.69
Oct 13, 5:55 AM29.69
Oct 13, 4:55 AM29.69
Oct 13, 3:55 AM29.69
Oct 13, 2:55 AM29.69
Oct 13, 1:55 AM29.69
Oct 13, 12:55 AM29.69
Oct 12, 11:55 PM29.69
Oct 12, 10:55 PM29.69
Oct 12, 9:55 PM29.69
Oct 12, 8:55 PM29.69
Oct 12, 7:55 PM29.69
Oct 12, 6:55 PM29.70
Oct 12, 5:55 PM29.71
Oct 12, 4:55 PM29.71
Oct 12, 3:55 PM29.71
Oct 12, 2:55 PM29.71
Oct 12, 1:55 PM29.71
Oct 12, 12:55 PM29.71
Oct 12, 11:55 AM29.71
Oct 12, 10:55 AM29.71
Oct 12, 9:55 AM29.71
Oct 12, 8:55 AM29.71
Oct 12, 7:55 AM29.71
Oct 12, 6:55 AM29.71
Oct 12, 5:55 AM29.71
Oct 12, 4:55 AM29.71
Oct 12, 3:55 AM29.71
Oct 12, 2:55 AM29.71
Oct 12, 1:55 AM29.71
Oct 12, 12:55 AM29.71
Oct 11, 11:55 PM29.71
Oct 11, 10:55 PM29.71
Oct 11, 9:55 PM29.71
Oct 11, 8:55 PM29.71
Oct 11, 7:55 PM29.71
Oct 11, 6:55 PM29.71
Oct 11, 5:55 PM29.70
Oct 11, 4:55 PM29.70
Oct 11, 3:55 PM29.70
Oct 11, 2:55 PM29.70
Oct 11, 1:55 PM29.70
Oct 11, 12:55 PM29.70
Oct 11, 11:55 AM29.70
Oct 11, 10:55 AM29.70
Oct 11, 9:55 AM29.71
Oct 11, 8:55 AM29.70
Oct 11, 7:55 AM29.70
Oct 11, 6:55 AM29.70
Oct 11, 5:55 AM29.70
Oct 11, 4:55 AM29.70
Oct 11, 3:55 AM29.70
Oct 11, 2:55 AM29.70
Oct 11, 1:55 AM29.70
Oct 11, 12:55 AM29.70
Oct 10, 11:55 PM29.70
Oct 10, 10:55 PM29.70
Oct 10, 9:55 PM29.71
Oct 10, 8:55 PM29.71
Oct 10, 7:55 PM29.71
Oct 10, 6:55 PM29.71
Oct 10, 5:55 PM29.71
Oct 10, 4:55 PM29.71
Oct 10, 3:55 PM29.71
Oct 10, 2:55 PM29.71
Oct 10, 1:55 PM29.71
Oct 10, 12:55 PM29.71
Oct 10, 11:55 AM29.72
Oct 10, 10:40 AM29.72
Oct 10, 9:55 AM29.71
Oct 10, 8:55 AM29.71
Oct 10, 7:55 AM29.71
Oct 10, 6:55 AM29.71
Oct 10, 5:55 AM29.71
Oct 10, 4:55 AM29.71
Oct 10, 3:55 AM29.71
Oct 10, 2:55 AM29.71
Oct 10, 1:55 AM29.71
Oct 10, 12:55 AM29.70
Oct 9, 11:55 PM29.70
Oct 9, 10:55 PM29.70
Oct 9, 9:55 PM29.70
Oct 9, 8:55 PM29.70
Oct 9, 7:55 PM29.70
Oct 9, 6:55 PM29.71
Oct 9, 5:55 PM29.71
Oct 9, 4:55 PM29.71
Oct 9, 3:55 PM29.71
Oct 9, 2:55 PM29.71
Oct 9, 1:55 PM29.71
Oct 9, 12:55 PM29.71
Oct 9, 11:55 AM29.72
Oct 9, 10:55 AM29.72
Oct 9, 9:55 AM29.72
Oct 9, 8:55 AM29.72
Oct 9, 7:55 AM29.70
Oct 9, 6:55 AM29.70
Oct 9, 5:55 AM29.70
Oct 9, 4:55 AM29.70
Oct 9, 3:55 AM29.70
Oct 9, 2:55 AM29.70
Oct 9, 1:55 AM29.70
Oct 9, 12:55 AM29.70
Oct 8, 11:55 PM29.70
Oct 8, 10:55 PM29.70
Oct 8, 9:55 PM29.70
Oct 8, 8:55 PM29.70
Water level, 30 days at Boxelder Creek 4 NW Rapid City: the water from 29.69 to 29.73 feet of stage, the latest 29.70 feet.WATER LEVEL, 30 DAYSFTHIGH 29.73 FT, SEP 26, 8:40 AM · LOW 29.69 FT, SEP 16, 12:40 AM29.6529.7029.7529.80Sep 16Sep 21Sep 26Oct 1Oct 6Oct 1129.70
Latest
29.70 ftOct 15, 7:40 PM
Highest
29.73 ftSep 26, 8:40 AM
Lowest
29.69 ftSep 16, 12:40 AM
Range
0.04 fthighest less lowest
Change
No changesince Sep 15, 8:45 PM
Readings
8,516
The readings these charts were drawn from, as a table
DayHigh ftLow ftAverage ftLast ftReadings
Oct 1529.7229.6929.7129.70237
Oct 1429.7129.7029.7129.71288
Oct 1329.7129.6929.7029.71288
Oct 1229.7229.6929.7129.69288
Oct 1129.7129.7029.7029.71288
Oct 1029.7229.7029.7129.70276
Oct 929.7229.6929.7129.70288
Oct 829.7229.6929.7029.70288
Oct 729.7229.6929.7029.70276
Oct 629.7329.7029.7129.70288
Oct 529.7229.6929.7029.70288
Oct 429.7229.6929.7029.70288
Oct 329.7229.7029.7029.70288
Oct 229.7229.6929.7029.70276
Oct 129.7129.6929.7029.69288
Sep 3029.7329.7029.7129.70278
Sep 2929.7329.7029.7129.70288
Sep 2829.7129.7029.7129.70288
Sep 2729.7129.7029.7029.70288
Sep 2629.7329.7029.7129.70288
Sep 2529.7229.7029.7129.70288
Sep 2429.7229.7029.7029.70288
Sep 2329.7129.7029.7029.70288
Sep 2229.7129.7029.7029.70279
Sep 2129.7129.7029.7029.70288
Sep 2029.7129.7029.7029.70279
Sep 1929.7129.7029.7029.70240
Sep 1829.7129.7029.7029.70288
Sep 1729.7229.7029.7029.70288
Sep 1629.7229.6929.7029.70288
Sep 1529.7029.7029.7029.7039

How it reports

Schedule
every houron the hour's :40
Reports received, 24 hours
24 of 24100% of its schedule, 27 reports in all
Reports received, 7 days
168 of 168100% of its schedule, 187 reports in all
Longest silence, 7 days
70 minfrom Oct 13, 4:40 AM
Latest report
Oct 15, 7:40 PMlocal time
Time to reach Storm Station
21 min9 in 10 within 23 min

From Storm Station's own record of every report it heard from this station.

Its schedule is one report every hour, 24 in 24 hours. Two reports in the same hour count as one received.

Ranking Statistics

247 score95.1of 100

South Dakota median
93.1the median score of 806 stations
Scoring higher
264stations in South Dakota
Sharing its score
14ranks 265 to 278
Points deducted
4.92.7 forecast check, 2.1 arrival
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; South Dakota median 100.0, 100.0, 72.6
Next above
PRES2rank 266; ahead on median arrival 20 min 38 s against 20 min 39 s
Next below
HAWS2rank 268; behind on median arrival 20 min 39 s against 20 min 40 s

Equal scores are ordered by the share of scheduled reports received, then the reports due in the week (the longer record first), then the median arrival, then the longest silence.

  1. Reports receivedweight 35100.035.0 of 35 pointsSouth Dakota median 98.2168 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1078.77.9 of 10 pointsSouth Dakota median 86.0half its reports arrived within 21 min
  3. Continuityweight 10100.010.0 of 10 pointsSouth Dakota median 100.0longest silence 70 min, on a schedule of one report every 60 min
  4. Accuracyweight 20-20.0 of 20 points, at the medianSouth Dakota median 100.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianSouth Dakota median 100.0-
  6. Forecast checkweight 10-7.3 of 10 points, at the medianSouth Dakota median 72.6-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.

How each part is scored
Reports received
Full marks for every scheduled report received, none for none, in proportion between
Arrival
Full marks for a median arrival within 10 min, none at 60 min
Continuity
Full marks for a longest silence of 3 reports or less (3 h), none for 72 (72 h)
Accuracy
Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °F
Instrument checks
Full marks for no reading failed, none for 5 per cent or more
Forecast check
Full marks within 2 °F of the forecast on average, none at 8 °F

Near Boxelder Creek 4 NW Rapid City

How to read a gauge

A gauge measures the height of the water where it stands, its stage, in feet above a fixed mark at that gauge. Two gauges' stages are not comparable: each is measured from its own mark, and a reservoir's is often its height above sea level.

The stage shown is the latest the gauge reported, with the time it reported it. Storm Station hears each gauge on its own schedule and ranks it among its state's stations by its 247 score, how reliably it reports and how its readings hold up: that is its 247 rank.