Storm Station
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At a climate reference station

USCRN network, identified by the register

Identifier
04990
Latitude
43.73000 N
Longitude
96.62000 W
Elevation
1,594 ft
Observed
2:00 AMCDT, 2 hours ago
Air temperature
44.6F
What it feels like
37.5F
High so far today
44.8F
Low so far today
43.7F
Dew point
39.4F
Relative humidity
82%
Wind
16mph
Strongest wind today
17mph
Precipitation today
0in
Ground surface temperature
44.4F

Ranking Statistics

Station charts

Sioux Falls 14 NNE Report

Rank 509 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 score90.0of 100

South Dakota median
93.1the median score of 806 stations
Scoring higher
508stations in South Dakota
Sharing its score
3ranks 509 to 511
Points deducted
10.07.3 arrival, 2.7 forecast check
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; South Dakota median 100.0, 100.0, 72.6
Next above
VGAS2rank 499; ahead on 247 score 90.3 against 90.0
Next below
94085rank 511; behind on median arrival 90 min 51 s against 90 min 52 s
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.

  1. Reports receivedweight 35100.035.0 of 35 pointsSouth Dakota median 98.284 of 84 scheduled reports received in 7 days
  2. Arrivalweight 1027.02.7 of 10 pointsSouth Dakota median 86.0half its reports arrived within 1.5 h
  3. Continuityweight 10100.010.0 of 10 pointsSouth Dakota median 100.0longest silence 3.1 h, on a schedule of one report every 2 h
  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 12 min, none at 2 h
Continuity
Full marks for a longest silence of 3 reports or less (6 h), none for 72 (144 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
Schedule
every 5 min
Reports received, 24 hours
275 of 28895.4% of its schedule
Reports received, 7 days
2,003 of 2,01699.3% of its schedule
Days reported, 30 days
30 of 30
Longest silence, 7 days
2 h 11 minfrom Oct 16, 2:00 AM
Latest report
Oct 16, 2:00 AMlocal time
Time to reach Storm Station
1 h 31 min9 in 10 within 1 h 33 min

The reports received are counted from the network's own archive of this station's reports. Its 247 rank is counted from Storm Station's own record, which holds less than 7 days of it so far: 84 of 84 scheduled reports received, 100%.

Its schedule is one report every 5 min, 288 in 24 hours. Two reports in the same 5 min count as one received.

Chart of the 806 ranked stations in South Dakota on Oct 16 by the share of their scheduled reports received in Storm Station's own record, up to 7 days, in tenths: 0 to 9 per cent, 1; 10 to 19 per cent, 0; 20 to 29 per cent, 4; 30 to 39 per cent, 1; 40 to 49 per cent, 37; 50 to 59 per cent, 43; 60 to 69 per cent, 3; 70 to 79 per cent, 166; 80 to 89 per cent, 88; 90 to 99 per cent, 160; 100 per cent, 303. Sioux Falls 14 NNE received 100.0 per cent, 84 of 84 scheduled reports, rank 509 of 806.WHERE IT RANKS IN SOUTH DAKOTA, Oct 16THIS ONE: 100.0%, 84 OF 84, RANK 509 OF 806PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9110 to 1920 to 29430 to 39140 to 493750 to 594360 to 69370 to 7916680 to 898890 to 99160100303STATIONS, LOG SCALE
Chart of Sioux Falls 14 NNE's rank in South Dakota by how it reported, day by day, from 2026-09-29 to 2026-10-16: 2026-09-29 rank 217 of 585; 2026-09-30 rank 210 of 591; 2026-10-01 rank 152 of 590; 2026-10-02 rank 621 of 769; 2026-10-03 rank 618 of 769; 2026-10-04 rank 597 of 792; 2026-10-05 rank 565 of 826; 2026-10-06 rank 554 of 832; 2026-10-07 rank 479 of 834; 2026-10-08 rank 464 of 813; 2026-10-09 rank 477 of 796; 2026-10-10 rank 475 of 796; 2026-10-11 rank 489 of 797; 2026-10-12 rank 504 of 795; 2026-10-13 rank 510 of 787; 2026-10-14 rank 517 of 792; 2026-10-15 rank 510 of 794; 2026-10-16 rank 509 of 806.ITS RANK IN SOUTH DAKOTA, DAY BY DAYRANK, FIRST AT THE TOP1200400600800Sep 29Oct 2Oct 5Oct 8Oct 11Oct 14Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%303
90 to 99%160
80 to 89%88
70 to 79%166
60 to 69%3
50 to 59%43
40 to 49%37
30 to 39%1
20 to 29%4
10 to 19%0
0 to 9%1
DayRankStations rankedShare received
Oct 16, 2026509806100.0%
Oct 15, 2026510794100.0%
Oct 14, 2026517792100.0%
Oct 13, 2026510787100.0%
Oct 12, 2026504795100.0%
Oct 11, 2026489797100.0%
Oct 10, 2026475796100.0%
Oct 9, 2026477796100.0%
Oct 8, 2026464813100.0%
Oct 7, 2026479834100.0%
Oct 6, 2026554832100.0%
Oct 5, 2026565826100.0%
Oct 4, 2026597792100.0%
Oct 3, 2026618769100.0%
Oct 2, 2026621769100.0%
Oct 1, 2026152590100.0%
Sep 30, 2026210591100.0%
Sep 29, 2026217585100.0%
Temperature and Dew point at Sioux Falls 14 NNE, temperature from 44.1 to 50.7, the latest 44.6; dew point from 35.7 to 47.2, the latest 39.4, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF35404550556 AM9 AM12 PM3 PM6 PM9 PMOct 163 AMTEMPERATUREDEW POINT
Relative humidity at Sioux Falls 14 NNE, relative humidity from 78 to 82, the latest 82, in per cent.RELATIVE HUMIDITY%767880826 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Wind at Sioux Falls 14 NNE, wind from 1 to 16, the latest 16, in miles an hour.WINDmph051015206 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Reports received at Sioux Falls 14 NNE, reports from 0.0 to 12.0, the latest 0.0, in reports.REPORTS RECEIVEDreports0510156 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
The readings these charts were drawn from, as a table
HourTemperature FDew point FRelative humidity %Wind mphReports
Fri 16, 2 AM44.639.482161
Fri 16, 1 AM44.738.2781512
Fri 16, 12 AM44.138.0791412
Thu 15, 11 PM45.636.6-1212
Thu 15, 10 PM46.135.7-1212
Thu 15, 9 PM46.335.7-1112
Thu 15, 8 PM46.936.3-1212
Thu 15, 7 PM47.636.0-1112
Thu 15, 6 PM47.836.0-1112
Thu 15, 5 PM49.437.0-1212
Thu 15, 4 PM50.241.2-1112
Thu 15, 3 PM50.747.2-1012
Thu 15, 2 PM48.746.5-612
Thu 15, 1 PM48.046.5-612
Thu 15, 12 PM47.245.9-612
Thu 15, 11 AM47.045.5-612
Thu 15, 10 AM46.645.5-412
Thu 15, 9 AM46.245.1-312
Thu 15, 8 AM46.245.1-112
Thu 15, 7 AM46.245.1-112
Thu 15, 6 AM46.145.0-112
Thu 15, 5 AM46.144.8-112
Temperature and Dew point at Sioux Falls 14 NNE, temperature from 43.1 to 89.5, the latest 44.6; dew point from 35.7 to 58.7, the latest 39.4, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF20406080100Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16FREEZINGTEMPERATUREDEW POINT
Relative humidity at Sioux Falls 14 NNE, relative humidity from 78 to 82, the latest 82, in per cent.RELATIVE HUMIDITY%76788082Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Wind at Sioux Falls 14 NNE, wind from 0 to 16, the latest 16, in miles an hour.WINDmph05101520Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Reports received at Sioux Falls 14 NNE, reports from 0.0 to 12.0, the latest 0.0, in reports.REPORTS RECEIVEDreports051015Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
The readings these charts were drawn from, as a table
HourTemperature FDew point FRelative humidity %Wind mphReports
Fri 16, 2 AM44.639.482161
Fri 16, 1 AM44.738.2781512
Fri 16, 12 AM44.138.0791412
Thu 15, 11 PM45.636.6-1212
Thu 15, 10 PM46.135.7-1212
Thu 15, 9 PM46.335.7-1112
Thu 15, 8 PM46.936.3-1212
Thu 15, 7 PM47.636.0-1112
Thu 15, 6 PM47.836.0-1112
Thu 15, 5 PM49.437.0-1212
Thu 15, 4 PM50.241.2-1112
Thu 15, 3 PM50.747.2-1012
Thu 15, 2 PM48.746.5-612
Thu 15, 1 PM48.046.5-612
Thu 15, 12 PM47.245.9-612
Thu 15, 11 AM47.045.5-612
Thu 15, 10 AM46.645.5-412
Thu 15, 9 AM46.245.1-312
Thu 15, 8 AM46.245.1-112
Thu 15, 7 AM46.245.1-112
Thu 15, 6 AM46.145.0-112
Thu 15, 5 AM46.144.8-112
Thu 15, 4 AM46.444.7-212
Thu 15, 3 AM46.745.1-112
Thu 15, 2 AM46.644.9-112
Thu 15, 1 AM46.544.5-112
Thu 15, 12 AM47.043.7-012
Wed 14, 11 PM47.142.9-012
Wed 14, 10 PM47.341.7-212
Wed 14, 9 PM47.141.4-312
Wed 14, 8 PM47.441.6-312
Wed 14, 7 PM49.241.8-312
Wed 14, 6 PM50.041.6-312
Wed 14, 5 PM52.441.9-512
Wed 14, 4 PM53.742.4-312
Wed 14, 3 PM53.042.3-412
Wed 14, 2 PM51.542.1-312
Wed 14, 1 PM50.241.8-312
Wed 14, 12 PM49.141.6-312
Wed 14, 11 AM48.441.6-312
Wed 14, 10 AM47.441.2-312
Wed 14, 9 AM46.641.0-312
Wed 14, 8 AM45.840.4-312
Wed 14, 7 AM45.840.7-312
Wed 14, 6 AM46.141.0-312
Wed 14, 5 AM46.341.3-312
Wed 14, 4 AM46.541.3-412
Wed 14, 3 AM46.341.6-312
Wed 14, 2 AM43.840.8-312
Wed 14, 1 AM43.139.9-312
Wed 14, 12 AM43.639.9-212
Tue 13, 11 PM45.140.3-212
Tue 13, 10 PM47.241.1-312
Tue 13, 9 PM48.941.2-512
Tue 13, 8 PM50.141.3-312
Tue 13, 7 PM51.141.1-312
Tue 13, 6 PM53.540.8-412
Tue 13, 5 PM56.941.8-612
Tue 13, 4 PM58.741.8-612
Tue 13, 3 PM59.341.5-612
Tue 13, 2 PM59.441.8-512
Tue 13, 1 PM56.841.4-412
Tue 13, 12 PM54.741.1-412
Tue 13, 11 AM51.641.0-312
Tue 13, 10 AM48.140.8-412
Tue 13, 9 AM45.540.7-512
Tue 13, 8 AM44.740.4-512
Tue 13, 7 AM45.140.5-412
Tue 13, 6 AM45.440.5-512
Tue 13, 5 AM45.140.2-412
Tue 13, 4 AM46.142.1-412
Tue 13, 3 AM47.042.2-512
Tue 13, 2 AM47.143.0-512
Tue 13, 1 AM48.244.7-812
Tue 13, 12 AM49.545.1-912
Mon 12, 11 PM50.446.3-812
Mon 12, 10 PM51.046.4-712
Mon 12, 9 PM51.246.3-812
Mon 12, 8 PM51.546.7-912
Mon 12, 7 PM52.048.2-812
Mon 12, 6 PM53.749.6-912
Mon 12, 5 PM55.550.8-912
Mon 12, 4 PM55.851.6-1112
Mon 12, 3 PM60.252.8-1112
Mon 12, 2 PM68.355.3-1112
Mon 12, 1 PM73.757.6-612
Mon 12, 12 PM72.057.6-412
Mon 12, 11 AM69.157.0-312
Mon 12, 10 AM64.356.1-312
Mon 12, 9 AM56.853.9-412
Mon 12, 8 AM52.050.8-412
Mon 12, 7 AM50.749.6-412
Mon 12, 6 AM50.949.6-412
Mon 12, 5 AM51.850.1-312
Mon 12, 4 AM52.350.3-312
Mon 12, 3 AM53.350.9-312
Mon 12, 2 AM54.451.6-212
Mon 12, 1 AM55.852.3-212
Mon 12, 12 AM57.853.1-312
Sun 11, 11 PM60.854.0-212
Sun 11, 10 PM64.454.9-312
Sun 11, 9 PM66.855.1-312
Sun 11, 8 PM70.155.4-312
Sun 11, 7 PM71.255.7-112
Sun 11, 6 PM75.655.0-012
Sun 11, 5 PM80.954.1-212
Sun 11, 4 PM82.053.3-512
Sun 11, 3 PM81.752.7-612
Sun 11, 2 PM82.453.0-612
Sun 11, 1 PM80.652.5-612
Sun 11, 12 PM78.152.1-612
Sun 11, 11 AM75.551.7-612
Sun 11, 10 AM71.651.4-612
Sun 11, 9 AM67.051.9-512
Sun 11, 8 AM61.251.3-312
Sun 11, 7 AM57.350.7-212
Sun 11, 6 AM57.650.5-212
Sun 11, 5 AM59.550.9-212
Sun 11, 4 AM61.950.9-212
Sun 11, 3 AM62.650.8-212
Sun 11, 2 AM61.950.7-212
Sun 11, 1 AM62.050.4-212
Sun 11, 12 AM62.250.1-212
Sat 10, 11 PM63.149.6-212
Sat 10, 10 PM66.749.5-212
Sat 10, 9 PM70.549.6-312
Sat 10, 8 PM72.149.7-312
Sat 10, 7 PM75.449.2-312
Sat 10, 6 PM83.448.2-612
Sat 10, 5 PM87.447.4-1212
Sat 10, 4 PM89.247.2-1412
Sat 10, 3 PM89.547.3-1312
Sat 10, 2 PM89.347.5-1412
Sat 10, 1 PM86.849.9-1312
Sat 10, 12 PM83.950.7-1112
Sat 10, 11 AM80.250.9-1112
Sat 10, 10 AM74.851.3-912
Sat 10, 9 AM69.451.3-712
Sat 10, 8 AM63.651.3-512
Sat 10, 7 AM60.151.1-412
Sat 10, 6 AM62.751.8-412
Sat 10, 5 AM64.552.5-512
Sat 10, 4 AM66.153.0-512
Sat 10, 3 AM67.253.2-612
Sat 10, 2 AM68.653.2-612
Sat 10, 1 AM69.353.0-612
Sat 10, 12 AM66.454.0-412
Fri 9, 11 PM63.656.1-312
Fri 9, 10 PM65.256.8-312
Fri 9, 9 PM66.357.3-412
Fri 9, 8 PM67.757.4-412
Fri 9, 7 PM68.157.7-312
Fri 9, 6 PM71.958.2-412
Fri 9, 5 PM75.658.7-512
Fri 9, 4 PM76.758.6-512
Fri 9, 3 PM76.357.9-612
Fri 9, 2 PM75.456.9-612
Fri 9, 1 PM75.056.8-512
Fri 9, 12 PM71.955.9-512
Fri 9, 11 AM68.654.5-512
Fri 9, 10 AM65.053.3-512
Fri 9, 9 AM58.749.5-412
Fri 9, 8 AM49.743.4-312
Fri 9, 7 AM48.342.7-312
Fri 9, 6 AM51.745.2-312
Fri 9, 5 AM52.243.9-312
High and Low at Sioux Falls 14 NNE, high from 44.8 to 89.8, the latest 44.8; low from 39.2 to 63.1, the latest 43.7, in degrees Fahrenheit.HIGH AND LOWF20406080100Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12FREEZINGHIGHLOW
Highest dew point and Lowest dew point at Sioux Falls 14 NNE, highest dew point from 39.4 to 67.0, the latest 39.4; lowest dew point from 30.0 to 61.2, the latest 37.3, in degrees Fahrenheit.HIGHEST DEW POINT AND LOWEST DEW POINTF203040506070Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12HIGHEST DEW POINTLOWEST DEW POINT
Highest humidity and Lowest humidity at Sioux Falls 14 NNE, highest humidity from 73 to 99, the latest 82; lowest humidity from 19 to 94, the latest 76, in per cent.HIGHEST HUMIDITY AND LOWEST HUMIDITY%020406080100Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12HIGHEST HUMIDITYLOWEST HUMIDITY
Precipitation at Sioux Falls 14 NNE, precipitation from 0.00 to 0.76, the latest 0.00, in inches.PRECIPITATIONin0.000.200.400.600.80Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12
The readings these charts were drawn from, as a table
DayHigh FLow FHighest dew point FLowest dew point FHighest humidity %Lowest humidity %Precipitation in
Oct 1644.843.739.437.382760.00
Oct 1552.245.049.235.096610.53
Oct 1454.142.443.339.490640.00
Oct 1360.844.245.439.788500.00
Oct 1274.150.058.245.096570.00
Oct 1183.355.656.649.682360.00
Oct 1089.859.555.446.473230.00
Oct 977.246.959.139.782510.00
Oct 874.544.444.938.184300.00
Oct 776.849.147.532.484220.00
Oct 685.650.254.238.085190.00
Oct 578.144.646.534.580300.00
Oct 470.339.245.031.991250.00
Oct 371.647.151.836.780390.00
Oct 266.439.741.130.091270.00
Oct 167.548.062.130.093260.00
Sep 3075.458.365.657.699550.00
Sep 2972.960.465.458.698750.32
Sep 2872.560.463.358.697680.00
Sep 2771.263.165.761.298730.02
Sep 2664.959.263.258.398930.69
Sep 2563.557.458.956.398810.06
Sep 2460.656.859.250.797760.67
Sep 2370.554.556.150.993560.00
Sep 2263.952.753.951.196670.00
Sep 2155.052.053.750.297870.75
Sep 2063.554.957.952.396730.50
Sep 1963.357.761.355.998830.00
Sep 1868.258.867.057.498940.76
Sep 1770.259.562.058.998730.07

Station report

Sioux Falls 14 NNE, in 5 sheets

Drawn from its report of Oct 16, 2026, 2:00 AM local time, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The air

Contents

44.6 F with a dew point of 39.4 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up.

Chart of the air at Sioux Falls 14 NNE: temperature 44.6 degrees Fahrenheit and dew point 39.4, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 04990FIG. B THE AIR AT SIOUX FALLS 14 NNETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,200 FT ABOVE THE STATION, AT 38.2 FTEMPERATURE 44.6 FDEW POINT 39.4 FSPREAD 5.2 FRELATIVE HUMIDITY 82 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLESioux Falls 14 NNE, the airSTATION REPORT · USCRN 04990TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-04990-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

From the Field Book

2The wind

Contents

At 16 mph: force 4, a moderate breeze on the Beaufort scale.

Plan of the wind at Sioux Falls 14 NNE, north up: at 16 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 04990FIG. C THE WIND AT SIOUX FALLS 14 NNEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONDIRECTION NOT REPORTEDBEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESioux Falls 14 NNE, the windSTATION REPORT · USCRN 04990TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-04990-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

3The column

Contents

At 1,594 ft above sea level, 6 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.24 inHg and the temperature at 53.3 F; it reports 44.6 F, 8.7 F colder than standard.

Section from sea level of where Sioux Falls 14 NNE stands in the atmosphere, height to scale: the station 1,594 feet above sea level with 6 per cent of the air below it; the standard atmosphere's pressure there, 28.24 inches of mercury, and temperature, 53.3 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 04990FIG. D WHERE SIOUX FALLS 14 NNE STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERESIOUX FALLS 14 NNE6 PER CENT OF THE AIR BELOW IT1,594 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.24 inHgSTANDARD TEMPERATURE HERE53.3 FTEMPERATURE, REPORTED44.6 FTITLESioux Falls 14 NNE, the columnSTATION REPORT · USCRN 04990TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-04990-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

4The sun

Contents

On Oct 16 the noon sun stands 37 degrees above the horizon at 43.73 N, and the day is 10 h 50 min long. Level ground there takes 60 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Sioux Falls 14 NNE, angles true: on Oct 16 it stands 37 degrees above the horizon, against 70 at the June solstice, 46 at the equinoxes and 23 at the December solstice; the day is 10 h 50 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 04990FIG. E THE SUN AT SIOUX FALLS 14 NNEELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 70°EQUINOXES 46°DECEMBER SOLSTICE 23°OCT 16, 37°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 50 MINLEVEL GROUND TAKES 60 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 43.73 N; THE SUN'S DECLINATION -9.1°TITLESioux Falls 14 NNE, the sunSTATION REPORT · USCRN 04990TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 4 of 5DATE2026-10-16IDSR-04990-4DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

5The instrument

Contents

A weather instrument, 1,594 ft above sea level. Its report of Oct 16, 2026, 2:00 AM local time is written on the sensors that made it.

Elevation of the instrument, Sioux Falls 14 NNE, each sensor drawn and labelled with what it read: antenna, sending by satellite, last heard oct 16, 2026, 2:00 am local time; air temperature, 44.6 f, dew point 39.4 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 04990FIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READ, OCT 16, 2026, 2:00 AM LOCAL TIMEANTENNA, SENDING BY SATELLITELAST HEARD OCT 16, 2026, 2:00 AM LOCAL TIMEAIR TEMPERATURE44.6 F, DEW POINT 39.4 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLESioux Falls 14 NNE, the instrumentSTATION REPORT · USCRN 04990TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 5 of 5DATE2026-10-16IDSR-04990-5DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

What this instrument measures for

2 places read it as one of the nearest to it.

Near Sioux Falls 14 NNE