Drawn as the kind of place it stands at. 38 instruments in Michigan stand at one.
What the snow tracker reads here
Every instrument in this state
-in
Snow on the ground
Station charts
Middle Branch Escanaba River At Humboldt Report
Rank 660 of 976 in Michigan, 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.
PRAM4rank 662; behind on 247 score 88.3 against 88.2
Sharing its rank
1other 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 3572.025.2 of 35 pointsMichigan median 97.0121 of 168 scheduled reports received in 7 days
Arrivalweight 1084.48.4 of 10 pointsMichigan median 99.9half its reports arrived within 18 min
Continuityweight 10100.010.0 of 10 pointsMichigan median 100.0longest silence 60 min, on a schedule of one report every 60 min
Accuracyweight 20-20.0 of 20 points, at the medianMichigan median 100.0-
Instrument checksweight 15-15.0 of 15 points, at the medianMichigan median 100.0-
Forecast checkweight 10-9.6 of 10 points, at the medianMichigan median 96.1-
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 1,521 ft above sea level, 5 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.31 inHg and the temperature at 53.6 F.
On Oct 11 the noon sun stands 36 degrees above the horizon at 46.50 N, and the day is 10 h 59 min long. Level ground there takes 59 per cent of the noon sunlight a surface facing the sun would.