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
Battle Creek Above Keystone Report
Rank 187 of 806 in South Dakota, Oct 16. 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.
Ranking Statistics
247 score95.7of 100
South Dakota median
93.1the median score of 806 stations
Scoring higher
185stations in South Dakota
Sharing its score
6ranks 186 to 191
Points deducted
4.32.7 forecast check, 1.6 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
06437200rank 186; ahead on median arrival 17 min 48 s against 17 min 49 s
Next below
INLS2rank 188; behind on median arrival 17 min 49 s against 17 min 53 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.
Reports receivedweight 35100.035.0 of 35 pointsSouth Dakota median 98.2168 of 168 scheduled reports received in 7 days
Arrivalweight 1084.48.4 of 10 pointsSouth Dakota median 86.0half its reports arrived within 18 min
Continuityweight 10100.010.0 of 10 pointsSouth Dakota median 100.0longest silence 60 min, on a schedule of one report every 60 min
Accuracyweight 20-20.0 of 20 points, at the medianSouth Dakota median 100.0-
Instrument checksweight 15-15.0 of 15 points, at the medianSouth Dakota median 100.0-
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
At 4,591 ft above sea level, 16 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 25.28 inHg and the temperature at 42.6 F.
On Oct 16 the noon sun stands 37 degrees above the horizon at 43.91 N, and the day is 10 h 49 min long. Level ground there takes 60 per cent of the noon sunlight a surface facing the sun would.