Station 6 — Homer: QC report
ULM_Stn6 · CR1000X s/n 58341 · table FiveMin · file header program CPU:SO397545_Univ_of_LA_Measonet_Rev09282026.Stn6.wndcor.CR1X
2024-10-17 11:10 to 2026-10-04 05:05 logger clock · generated 2026-10-04 03:10
2024-10-17 11:10 to 2026-10-04 05:05 logger clock · generated 2026-10-04 03:10
202,085unique 5-min records
333,250values flagged failure
2,440,008values flagged suspect
0dated corrections applied
Station-level findings
| level | test | finding |
|---|---|---|
| failure | direction_vs_other_sensors | 30ft-10ft: median daily difference +48 deg over 589 days |
| failure | direction_vs_other_sensors | 30ft-sonic: median daily difference +173 deg over 644 days |
| failure | direction_vs_other_sensors | 10ft-sonic: median daily difference +125 deg over 597 days |
| failure | neighbor_direction | 30ft: median offset vs MNE, RSN, ELD = +54 deg (IQR +52 to +57, 26 days) |
| failure | direction_vs_lsm_neighbors | 30ft: median offset vs trusted LSM neighbors (4, 23, 3, 15) = +44 deg over 16 days |
| suspect | soil_depth_duplicate | 40 cm duplicates 30 cm on 1 days |
| suspect | soil_depth_duplicate | 50 cm duplicates 40 cm on 1 days |
| suspect | soil_depth_duplicate | 60 cm duplicates 50 cm on 679 days |
| suspect | soil_depth_duplicate | 75 cm duplicates 60 cm on 697 days |
| suspect | soil_depth_duplicate | 100 cm duplicates 75 cm on 697 days |
| suspect | duplicate_records | 12 re-appended duplicate rows in 7 blocks removed |
| suspect | clock_step | logger clock stepped +1 h (from 2025-03-10 06:55:00 to 2025-03-10 08:00:00) |
| suspect | clock_step | logger clock stepped -1 h (from 2025-11-02 19:05:00 to 2025-11-02 18:10:00) |
| suspect | clock_step | logger clock stepped +1 h (from 2026-03-08 14:55:00 to 2026-03-08 16:00:00) |
| info | neighbor_direction | 10ft: median offset vs MNE, RSN, ELD = +9 deg (IQR +4 to +13, 265 days) |
| info | solar_timing | overall solar timing offset +0 min over 223 clear days (positive = later than expected) |
| info | lsm_neighbors | LSM neighbors: 4 (36 km), 23 (54 km), 3 (63 km), 15 (67 km) |
| info | vs_lsm_neighbors | AirTF_Avg: median bias vs LSM neighbors -0.5 F over 701 days |
| info | vs_lsm_neighbors | RH_Avg: median bias vs LSM neighbors -0.1 % over 701 days |
| info | vs_lsm_neighbors | SeaLvlBaro_inHg_Avg: median bias vs LSM neighbors +0.003 inHg over 701 days |
| info | vs_lsm_neighbors | rain total 99.1 in vs LSM neighbor median 83.7 in over shared days (ratio 1.18); missed-rain days 0, rain-only-here days 1 |
| info | vs_lsm_neighbors | SlrW_Avg: daily solar total 1.00 x LSM neighbor median over 641 days |
| info | direction_vs_lsm_neighbors | 10ft: median offset vs trusted LSM neighbors (4, 23, 3, 15) = +2 deg over 246 days |
| info | file_summary | 202097 rows read, 202085 unique records, 2024-10-17 11:10:00 to 2026-10-04 05:05:00 (logger clock) |
| info | files_combined | record combined from 2 files: ULM_Stn6_FiveMin.dat.backup (2024-10-17 to 2026-09-28, SO397545 Univ of LA Measonet Rev10172024.Station6.CR1X); ULM_Stn6_FiveMin.dat (2026-09-28 to 2026-10-04, SO397545_Univ_of_LA_Measonet_Rev09282026.Stn6.wndcor.CR1X) |
| info | record_reset | RECORD reset 160165 -> 0 (program load or table reset) |
| info | record_reset | RECORD reset 40231 -> 0 (program load or table reset) |
| info | gap | 4322 missing records after 2024-10-17 11:10:00 |
| info | gap | 1 missing records after 2026-05-11 15:25:00 |
| info | gap | 4 missing records after 2026-09-28 08:10:00 |
| info | ch200_stale | 2 records where the CH200 didn't answer: its other values (left over from the last good read) set to missing |
| info | startup_zeros | 6 zero power readings in the first records after a program start were set to missing |
Wind direction
By logger-program period (vs airports, after applied corrections)
Measured offset W = 120°. Predicted 30-ft rotation with no correction code = 180 − W; with the sign-flipped line = 360 − 2W.
| period (logger clock) | records | 30-ft | sonic | 10-ft | if no code | if sign-flipped | best explanation |
|---|---|---|---|---|---|---|---|
| 2024-10-17 11:10 to 2026-05-11 15:25 | 160,166 | +57° | -116° | +10° | +60° | +120° | no correction code · sonic 180° from prop |
| 2026-05-11 15:35 to 2026-09-28 08:10 | 40,232 | +110° | -63° | +5° | +60° | +120° | sign-flipped code · sonic 180° from prop |
| 2026-09-28 08:35 to 2026-10-04 05:00 | 1,686 | -1° | +6° | – | +60° | +120° | correct / aligned |
Proposed corrections (not applied; copy into stations.yaml to use):
| sensor | start | end | add | apply | reason |
|---|---|---|---|---|---|
| 30ft | 2024-10-17 11:10 | 2026-05-11 15:25 | -60 | False | model: no correction code with W=120; observed +57 deg (airports) |
| sonic | 2024-10-17 11:10 | 2026-05-11 15:25 | 116 | False | empirical (median vs reference); observed -116 deg (airports) |
| 30ft | 2026-05-11 15:35 | 2026-09-28 08:10 | -120 | False | model: sign-flipped code with W=120; observed +110 deg (airports) |
| sonic | 2026-05-11 15:35 | 2026-09-28 08:10 | 63 | False | empirical (median vs reference); observed -63 deg (airports) |
Flags by variable and month
Comparison with nearby LSM stations
Temperature sensor agreement
Wind speed ratios and solar timing
Power: battery, solar charging and load
| Last 7 days | this station | network / expected |
|---|---|---|
| Overnight battery minimum | 12.80 V | 12.83 V |
| Lowest battery reading | 12.75 V | |
| Charged in / used per day | 4.9 / 2.5 Ah | |
| Reached full charge (float) | 8:35 am | 8:20 am |
| Solar input, sunny-day peak | 20.8 V | ~21 V |
| Overnight draw | 0.099 A | |
| Charger temperature max | 40 °C | |
| Charger minus logger voltage | +0.10 V | wire drop |
| CH200 readings missing | 0.0% | |
| Battery vs network, last 30 days | +0.02 V per 30 days | falling = weakening |
Flag counts by test
| variable | test | level | records | % of record |
|---|---|---|---|---|
| WindDir_Sonic_D1_WVT | direction_vs_other_sensors | failure | 169770 | 84.01 |
| WindDir_30ft_D1_WVT | direction_vs_other_sensors | failure | 160266 | 79.31 |
| WindDir_Sonic_D1_WVT | direction_vs_neighbors | failure | 864 | 0.43 |
| BattV_Avg | battery_vs_network | failure | 576 | 0.29 |
| WindDir_30ft_D1_WVT | direction_vs_neighbors | failure | 576 | 0.29 |
| WS_30ft_mph_Avg | zero_speed_while_windy | failure | 353 | 0.17 |
| WS_30ft_mph_Max | zero_speed_while_windy | failure | 353 | 0.17 |
| WindDir_30ft_D1_WVT | zero_speed_while_windy | failure | 353 | 0.17 |
| WS_Sonic_mph_Avg | sonic_error_value | failure | 98 | 0.05 |
| WS_Sonic_mph_Max | range | failure | 98 | 0.05 |
| WS_Sonic_mph_Max | sonic_error_value | failure | 98 | 0.05 |
| WindDir_Sonic_D1_WVT | sonic_error_value | failure | 98 | 0.05 |
| WindDir_Sonic_SD1_WVT | sonic_error_value | failure | 98 | 0.05 |
| WS_Sonic_mph_Avg | range | failure | 90 | 0.04 |
| ChargeInputCurrent | range | failure | 10 | 0.00 |
| SoilTmpF_100cm_Avg | range | failure | 4 | 0.00 |
| SoilTmpF_30cm_Avg | range | failure | 4 | 0.00 |
| SoilTmpF_40cm_Avg | range | failure | 4 | 0.00 |
| SoilTmpF_50cm_Avg | range | failure | 4 | 0.00 |
| SoilTmpF_60cm_Avg | range | failure | 4 | 0.00 |
| SoilTmpF_75cm_Avg | range | failure | 4 | 0.00 |
| SoilTmpF_10cm_Avg | range | failure | 3 | 0.00 |
| SoilTmpF_20cm_Avg | range | failure | 3 | 0.00 |
| T109_30ft_F_Avg | temperature_triad | failure | 3 | 0.00 |
| AbsBaro_inHg_Avg | range | failure | 2 | 0.00 |
| DewPtF | dewpoint_gt_air | failure | 2 | 0.00 |
| RH_Avg | dewpoint_gt_air | failure | 2 | 0.00 |
| SeaLvlBaro_inHg_Avg | range | failure | 2 | 0.00 |
| SeaLvlBaro_inHg_Avg | step | failure | 2 | 0.00 |
| SoilTmpF_5cm_Avg | range | failure | 2 | 0.00 |
| AirTF_Avg | range | failure | 1 | 0.00 |
| T109_30ft_F_Avg | range | failure | 1 | 0.00 |
| BulkEC_100cm_Avg | soil_depth_duplicate | suspect | 200294 | 99.11 |
| BulkEC_75cm_Avg | soil_depth_duplicate | suspect | 200294 | 99.11 |
| Ka_100cm_Avg | soil_depth_duplicate | suspect | 200294 | 99.11 |
| Ka_75cm_Avg | soil_depth_duplicate | suspect | 200294 | 99.11 |
| SoilTmpF_100cm_Avg | soil_depth_duplicate | suspect | 200294 | 99.11 |
| SoilTmpF_75cm_Avg | soil_depth_duplicate | suspect | 200294 | 99.11 |
| VWC_100cm_Avg | soil_depth_duplicate | suspect | 200294 | 99.11 |
| VWC_75cm_Avg | soil_depth_duplicate | suspect | 200294 | 99.11 |
| BulkEC_60cm_Avg | soil_depth_duplicate | suspect | 195110 | 96.55 |
| Ka_60cm_Avg | soil_depth_duplicate | suspect | 195110 | 96.55 |
| SoilTmpF_60cm_Avg | soil_depth_duplicate | suspect | 195110 | 96.55 |
| VWC_60cm_Avg | soil_depth_duplicate | suspect | 195110 | 96.55 |
| WindDir_Sonic_D1_WVT | direction_vs_other_sensors | suspect | 169770 | 84.01 |
| WindDir_30ft_D1_WVT | direction_vs_other_sensors | suspect | 167466 | 82.87 |
| BulkEC_5cm_Avg | soil_no_rain_response | suspect | 15148 | 7.50 |
| Ka_5cm_Avg | soil_no_rain_response | suspect | 15148 | 7.50 |
| VWC_5cm_Avg | soil_no_rain_response | suspect | 15148 | 7.50 |
| WindDir_30ft_D1_WVT | direction_vs_neighbors | suspect | 6624 | 3.28 |
| WindDir_30ft_D1_WVT | direction_vs_lsm_neighbors | suspect | 4320 | 2.14 |
| T109_30ft_F_Avg | temperature_triad | suspect | 3103 | 1.54 |
| WindDir_Sonic_D1_WVT | direction_vs_neighbors | suspect | 1152 | 0.57 |
| BattV_Avg | battery_vs_network | suspect | 864 | 0.43 |
| RV_Pre_Accu_Tot | vs_lsm_neighbors | suspect | 288 | 0.14 |
| T109_10ft_F_Avg | temperature_triad | suspect | 112 | 0.06 |
| SlrW_Avg | solar_above_clearsky | suspect | 72 | 0.04 |
| AirTF_Avg | temperature_triad | suspect | 57 | 0.03 |
| RV_Pre_Accu_Tot | rain_with_low_rh | suspect | 47 | 0.02 |
| SeaLvlBaro_inHg_Avg | step | suspect | 22 | 0.01 |
| WindDir_Sonic_D1_WVT | stuck_direction | suspect | 7 | 0.00 |
| WindDir_Sonic_SD1_WVT | stuck_direction | suspect | 7 | 0.00 |
| T109_10ft_F_Avg | step | suspect | 4 | 0.00 |
| T109_30ft_F_Avg | step | suspect | 4 | 0.00 |
| SlrW_Avg | solar_at_night | suspect | 3 | 0.00 |
| BulkEC_40cm_Avg | soil_depth_duplicate | suspect | 1 | 0.00 |
| BulkEC_50cm_Avg | soil_depth_duplicate | suspect | 1 | 0.00 |
| Ka_40cm_Avg | soil_depth_duplicate | suspect | 1 | 0.00 |
| Ka_50cm_Avg | soil_depth_duplicate | suspect | 1 | 0.00 |
| RH_Avg | range | suspect | 1 | 0.00 |
| SoilTmpF_40cm_Avg | soil_depth_duplicate | suspect | 1 | 0.00 |
| SoilTmpF_50cm_Avg | soil_depth_duplicate | suspect | 1 | 0.00 |
| VWC_40cm_Avg | soil_depth_duplicate | suspect | 1 | 0.00 |
| VWC_50cm_Avg | soil_depth_duplicate | suspect | 1 | 0.00 |
| WS_Sonic_mph_Avg | range | suspect | 1 | 0.00 |
Largest failure events
| start (local) | end (local) | n | variable | test | detail |
|---|---|---|---|---|---|
| 2026-02-14 00:00 | 2026-05-11 23:55 | 25043 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2026-03-27 00:00 | 2026-05-11 23:55 | 13247 | WindDir_30ft_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-02-26 00:00 | 2025-03-24 23:55 | 7764 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-03-26 00:00 | 2025-04-20 23:55 | 7488 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2026-08-04 00:00 | 2026-08-28 23:55 | 7200 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2026-08-06 00:00 | 2026-08-27 23:55 | 6336 | WindDir_30ft_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-11-24 00:00 | 2025-12-11 23:55 | 5184 | WindDir_30ft_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-02-05 00:00 | 2025-02-21 23:55 | 4896 | WindDir_30ft_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2026-06-17 00:00 | 2026-07-02 23:55 | 4608 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2026-01-13 00:00 | 2026-01-27 23:55 | 4320 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2026-01-29 00:00 | 2026-02-11 23:55 | 4032 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2026-06-02 00:00 | 2026-06-14 23:55 | 3744 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2024-12-20 00:00 | 2025-01-01 23:55 | 3744 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-01-16 00:00 | 2025-01-27 23:55 | 3456 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-06-11 00:00 | 2025-06-22 23:55 | 3456 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-01-03 00:00 | 2025-01-13 23:55 | 3168 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2024-12-08 00:00 | 2024-12-18 23:55 | 3168 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2026-05-13 00:00 | 2026-05-23 23:55 | 3168 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-08-20 00:00 | 2025-08-30 23:55 | 3168 | WindDir_30ft_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2026-07-19 00:00 | 2026-07-28 23:55 | 2880 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-09-21 00:00 | 2025-09-29 23:55 | 2592 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-07-05 00:00 | 2025-07-13 23:55 | 2592 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2026-09-17 00:00 | 2026-09-25 23:55 | 2592 | WindDir_30ft_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2024-11-01 11:25 | 2024-11-09 23:55 | 2455 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-12-16 00:00 | 2025-12-23 23:55 | 2304 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2026-07-21 00:00 | 2026-07-28 23:55 | 2304 | WindDir_30ft_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-06-02 00:00 | 2025-06-09 23:55 | 2304 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-04-27 00:00 | 2025-05-04 23:55 | 2304 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-07-15 00:00 | 2025-07-22 23:55 | 2304 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-05-13 00:00 | 2025-05-20 23:55 | 2304 | WindDir_30ft_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2024-11-24 00:00 | 2024-11-30 23:55 | 2016 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-06-25 00:00 | 2025-07-01 23:55 | 2016 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2026-01-05 00:00 | 2026-01-11 23:55 | 2016 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-11-09 00:00 | 2025-11-15 23:55 | 2016 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2024-12-13 00:00 | 2024-12-18 23:55 | 1728 | WindDir_30ft_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-04-15 00:00 | 2025-04-20 23:55 | 1728 | WindDir_30ft_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-09-03 00:00 | 2025-09-08 23:55 | 1728 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-12-25 00:00 | 2025-12-30 23:55 | 1728 | WindDir_30ft_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-10-17 00:00 | 2025-10-22 23:55 | 1728 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
| 2025-05-22 00:00 | 2025-05-27 23:55 | 1728 | WindDir_Sonic_D1_WVT | direction_vs_other_sensors | daily mean direction differs from the 10ft sensor (confirmed against airports) by > 45 deg |
Corrections
Applied (from stations.yaml):
None.
Documented but not applied (apply: false):
None.
How to read this
Levels: 0 good, 1 suspect, 2 failure, 9 missing. Each variable's level is in QC_<variable> in the data file; the events file lists every flagged run with the test that set it. Station-level findings summarize patterns (sensor rotation, clock offsets, duplicate soil depths) that per-record flags can't describe on their own. Wind direction flags use daily vector means, so a flagged day marks every record in that day.