Drawn as the kind of place it stands at. 208 instruments in Alaska stand at one.
What the snow tracker reads here
Every instrument in this state
-in
Snow on the ground
Station charts
Tyee Lk Outlet Nr Wrangell Report
Rank 564 of 1,023 in Alaska, 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 score95.2of 100
Alaska median
96.0the median score of 1,023 stations
Scoring higher
562stations in Alaska
Sharing its score
3ranks 563 to 565
Points deducted
4.84.6 arrival, 0.2 reports received
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Alaska median 100.0, 100.0, 100.0
Next above
SHIA2rank 563; ahead on median arrival 26 min 25 s against 32 min 49 s
Next below
SNEA2rank 565; behind on reports received 99.4% against 96.2%
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 3599.434.8 of 35 pointsAlaska median 98.8167 of 168 scheduled reports received in 7 days
Arrivalweight 1054.45.4 of 10 pointsAlaska median 86.1half its reports arrived within 33 min
Continuityweight 10100.010.0 of 10 pointsAlaska median 100.0longest silence 2 h, on a schedule of one report every 60 min
Accuracyweight 20-20.0 of 20 points, at the medianAlaska median 100.0-
Instrument checksweight 15-15.0 of 15 points, at the medianAlaska median 100.0-
Forecast checkweight 10-10.0 of 10 points, at the medianAlaska median 100.0-
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 1,350 ft above sea level, 5 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.49 inHg and the temperature at 54.2 F.
On Oct 16 the noon sun stands 25 degrees above the horizon at 56.20 N, and the day is 10 h 09 min long. Level ground there takes 42 per cent of the noon sunlight a surface facing the sun would.