Drawn as the kind of place it stands at. 52 instruments in South Dakota stand at one.
What the snow tracker reads here
Every instrument in this state
-in
Snow on the ground
Station charts
Rapid Creek Blw Hawthorn Ditch At Rapid City Report
Rank 662 of 797 in South Dakota, Oct 11. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.
Accuracy, instrument checks, forecast checknot measured at this station; South Dakota median 81.2, 100.0, 87.8
Next above
06423010rank 661; ahead on longest silence 60 min against 65 min
Next below
FRMS2rank 665; behind on 247 score 84.4 against 84.2
Sharing its rank
2other stations, equal on every measure
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.
Reports receivedweight 3571.425.0 of 35 pointsSouth Dakota median 98.2120 of 168 scheduled reports received in 7 days
Arrivalweight 1094.49.4 of 10 pointsSouth Dakota median 85.2half its reports arrived within 13 min
Continuityweight 10100.010.0 of 10 pointsSouth Dakota median 100.0longest silence 65 min, on a schedule of one report every 60 min
Accuracyweight 20-16.2 of 20 points, at the medianSouth Dakota median 81.2-
Instrument checksweight 15-15.0 of 15 points, at the medianSouth Dakota median 100.0-
Forecast checkweight 10-8.8 of 10 points, at the medianSouth Dakota median 87.8-
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
At 3,126 ft above sea level, 11 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 26.69 inHg and the temperature at 47.9 F.
On Oct 11 the noon sun stands 39 degrees above the horizon at 44.07 N, and the day is 11 h 03 min long. Level ground there takes 63 per cent of the noon sunlight a surface facing the sun would.