############################################################################## # Meteorological Data provided by # Albert-Ludwigs-Universitaet Freiburg # Institute of Earth and Environmental Sciences # Chair of Environmental Meteorology # Prof. Dr. Andreas Christen # Werthmannstrasse 10, 79085 Freiburg, Germany # meteo@meteo.uni-freiburg.de ############################################################################## Station Name: Freiburg-Chemiehochhaus Station ID: FRCHEM Station Address: Albertstrasse 21, Freiburg im Breisgau, Germany Station Longitude: 7.8486 deg E Station Latitude: 48.0011 deg N Station Elevation: 323.5 m Variable: Visibility Unit: km Height: 2m above roof level Instrument/Source: CS125 Visibility and Present Weather Sensor List of files * FRCHEM_2023_Visibility_10min_UTC.csv * FRCHEM_2023_Visibility_30min_UTC.csv * FRCHEM_2023_Visibility_Hourly_UTC.csv * FRCHEM_2023_Visibility_Daily_UTC.csv * FRCHEM_2023_Visibility_Monthly_UTC.csv * FRCHEM_2023_Visibility_Yearly_UTC.csv Column descriptions: FRCHEM_2023_Visibility_10min_UTC.csv * Visibility_Avg_km = 10min average of Visibility in km * Visibility_gap_filled_percent = fraction of 10min that was gap filled in % * Visibility_missing_data_percent = fraction of 10min that has missing data in % * Error value: -9999 Column descriptions: FRCHEM_2023_Visibility_30min_UTC.csv * Visibility_Avg_km = 30min average of Visibility in km * Visibility_gap_filled_percent = fraction of 30min that was gap filled in % * Visibility_missing_data_percent = fraction of 30min that has missing data in % * Error value: -9999 Column descriptions: FRCHEM_2023_Visibility_Hourly_UTC.csv * Visibility_Avg_km = hourly average of Visibility in km * Visibility_Max_km = hourly maximum of Visibility in km * Visibility_Min_km = hourly minimum of Visibility in km * Visibility_gap_filled_percent = fraction of hour that was gap filled in % * Visibility_missing_data_percent = fraction of hour that has missing data in % * Error value: -9999 Column descriptions: FRCHEM_2023_Visibility_Daily_UTC.csv * Visibility_Avg_km = daily average of Visibility in km * Visibility_Max_km = daily maximum of Visibility in km * Visibility_Min_km = daily minimum of Visibility in km * No_of_hours_with_max_Visibility_ge_50_km = Number of hours with a maximum Visibility greater equal 50 km * No_of_hours_with_min_Visibility_le_0_2_km = Number of hours with a minimum Visibility lower equal 0.2 km * No_of_hours_with_min_Visibility_le_0_5_km = Number of hours with a minimum Visibility lower equal 0.5 km * No_of_hours_with_min_Visibility_le_1_km = Number of hours with a minimum Visibility lower equal 1 km * No_of_hours_with_min_Visibility_le_2_km = Number of hours with a minimum Visibility lower equal 2 km * No_of_hours_with_min_Visibility_le_4_km = Number of hours with a minimum Visibility lower equal 4 km * No_of_hours_with_min_Visibility_le_10_km = Number of hours with a minimum Visibility lower equal 10 km * No_of_hours_with_min_Visibility_le_20_km = Number of hours with a minimum Visibility lower equal 20 km * Visibility_gap_filled_percent = fraction of day that was gap filled in % * Visibility_missing_data_percent = fraction of day that has missing data in % * Error value: -9999 Column descriptions: FRCHEM_2023_Visibility_Monthly_UTC.csv * Visibility_Avg_km = monthly average of Visibility in km * Visibility_Max_km = monthly maximum of Visibility in km * Visibility_Min_km = monthly minimum of Visibility in km * No_of_hours_with_max_Visibility_ge_50_km = Number of hours with a maximum Visibility greater equal 50 km * No_of_hours_with_min_Visibility_le_0_2_km = Number of hours with a minimum Visibility lower equal 0.2 km * No_of_hours_with_min_Visibility_le_0_5_km = Number of hours with a minimum Visibility lower equal 0.5 km * No_of_hours_with_min_Visibility_le_1_km = Number of hours with a minimum Visibility lower equal 1 km * No_of_hours_with_min_Visibility_le_2_km = Number of hours with a minimum Visibility lower equal 2 km * No_of_hours_with_min_Visibility_le_4_km = Number of hours with a minimum Visibility lower equal 4 km * No_of_hours_with_min_Visibility_le_10_km = Number of hours with a minimum Visibility lower equal 10 km * No_of_hours_with_min_Visibility_le_20_km = Number of hours with a minimum Visibility lower equal 20 km * No_of_days_with_max_Visibility_ge_50_km = Number of days with a maximum Visibility greater equal 50 km * No_of_days_with_min_Visibility_le_0_2_km = Number of days with a minimum Visibility lower equal 0.2 km * No_of_days_with_min_Visibility_le_0_5_km = Number of days with a minimum Visibility lower equal 0.5 km * No_of_days_with_min_Visibility_le_1_km = Number of days with a minimum Visibility lower equal 1 km * No_of_days_with_min_Visibility_le_2_km = Number of days with a minimum Visibility lower equal 2 km * No_of_days_with_min_Visibility_le_4_km = Number of days with a minimum Visibility lower equal 4 km * No_of_days_with_min_Visibility_le_10_km = Number of days with a minimum Visibility lower equal 10 km * No_of_days_with_min_Visibility_le_20_km = Number of days with a minimum Visibility lower equal 20 km * Visibility_gap_filled_percent = fraction of month that was gap filled in % * Visibility_missing_data_percent = fraction of month that has missing data in % * Error value: -9999 Column descriptions: FRCHEM_2023_Visibility_Yearly_UTC.csv * Visibility_Avg_km = yearly average of Visibility in km * Visibility_Max_km = yearly maximum of Visibility in km * Visibility_Min_km = yearly minimum of Visibility in km * No_of_hours_with_max_Visibility_ge_50_km = Number of hours with a maximum Visibility greater equal 50 km * No_of_hours_with_min_Visibility_le_0_2_km = Number of hours with a minimum Visibility lower equal 0.2 km * No_of_hours_with_min_Visibility_le_0_5_km = Number of hours with a minimum Visibility lower equal 0.5 km * No_of_hours_with_min_Visibility_le_1_km = Number of hours with a minimum Visibility lower equal 1 km * No_of_hours_with_min_Visibility_le_2_km = Number of hours with a minimum Visibility lower equal 2 km * No_of_hours_with_min_Visibility_le_4_km = Number of hours with a minimum Visibility lower equal 4 km * No_of_hours_with_min_Visibility_le_10_km = Number of hours with a minimum Visibility lower equal 10 km * No_of_hours_with_min_Visibility_le_20_km = Number of hours with a minimum Visibility lower equal 20 km * No_of_days_with_max_Visibility_ge_50_km = Number of days with a maximum Visibility greater equal 50 km * No_of_days_with_min_Visibility_le_0_2_km = Number of days with a minimum Visibility lower equal 0.2 km * No_of_days_with_min_Visibility_le_0_5_km = Number of days with a minimum Visibility lower equal 0.5 km * No_of_days_with_min_Visibility_le_1_km = Number of days with a minimum Visibility lower equal 1 km * No_of_days_with_min_Visibility_le_2_km = Number of days with a minimum Visibility lower equal 2 km * No_of_days_with_min_Visibility_le_4_km = Number of days with a minimum Visibility lower equal 4 km * No_of_days_with_min_Visibility_le_10_km = Number of days with a minimum Visibility lower equal 10 km * No_of_days_with_min_Visibility_le_20_km = Number of days with a minimum Visibility lower equal 20 km * Visibility_gap_filled_percent = fraction of year that was gap filled in % * Visibility_missing_data_percent = fraction of year that has missing data in % * Error value: -9999 Data processing details Data between 2023-01-19 11:13 UTC and 2023-01-19 11:13 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-01-19 11:13 UTC and 2023-01-19 11:13 UTC [1 record(s)] filled using linear interpolation. Data between 2023-01-24 15:13 UTC and 2023-01-24 15:13 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-01-24 15:13 UTC and 2023-01-24 15:13 UTC [1 record(s)] filled using linear interpolation. Data between 2023-06-04 03:22 UTC and 2023-06-04 03:22 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-06-04 03:22 UTC and 2023-06-04 03:22 UTC [1 record(s)] filled using linear interpolation. Data between 2023-07-13 20:49 UTC and 2023-07-13 20:49 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-07-13 20:49 UTC and 2023-07-13 20:49 UTC [1 record(s)] filled using linear interpolation. Data between 2023-07-13 20:52 UTC and 2023-07-13 20:52 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-07-13 20:52 UTC and 2023-07-13 20:52 UTC [1 record(s)] filled using linear interpolation. Data between 2023-08-22 17:29 UTC and 2023-08-22 17:29 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-08-22 17:29 UTC and 2023-08-22 17:29 UTC [1 record(s)] filled using linear interpolation. Data between 2023-09-10 22:30 UTC and 2023-09-10 22:31 UTC [2 record(s)] deleted due to outliers / errors / missing values. Data between 2023-09-10 22:30 UTC and 2023-09-10 22:31 UTC [2 record(s)] filled using linear interpolation. Data between 2023-09-14 17:52 UTC and 2023-09-14 17:52 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-09-14 17:52 UTC and 2023-09-14 17:52 UTC [1 record(s)] filled using linear interpolation. Data between 2023-09-26 05:48 UTC and 2023-09-26 05:48 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-09-26 05:48 UTC and 2023-09-26 05:48 UTC [1 record(s)] filled using linear interpolation. Data between 2023-09-30 08:49 UTC and 2023-09-30 08:49 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-09-30 08:49 UTC and 2023-09-30 08:49 UTC [1 record(s)] filled using linear interpolation. Data between 2023-09-30 19:15 UTC and 2023-09-30 19:15 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-09-30 19:15 UTC and 2023-09-30 19:15 UTC [1 record(s)] filled using linear interpolation. Data between 2023-09-30 20:14 UTC and 2023-09-30 20:14 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-09-30 20:14 UTC and 2023-09-30 20:14 UTC [1 record(s)] filled using linear interpolation. Data between 2023-10-02 07:30 UTC and 2023-10-02 07:30 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-10-02 07:30 UTC and 2023-10-02 07:30 UTC [1 record(s)] filled using linear interpolation. Data between 2023-10-14 20:08 UTC and 2023-10-14 20:08 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-10-14 20:08 UTC and 2023-10-14 20:08 UTC [1 record(s)] filled using linear interpolation. Data between 2023-10-27 07:56 UTC and 2023-10-27 07:56 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-10-27 07:56 UTC and 2023-10-27 07:56 UTC [1 record(s)] filled using linear interpolation. Data between 2023-10-29 13:36 UTC and 2023-10-29 13:36 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-10-29 13:36 UTC and 2023-10-29 13:36 UTC [1 record(s)] filled using linear interpolation. Data between 2023-11-06 14:26 UTC and 2023-11-06 14:26 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-11-06 14:26 UTC and 2023-11-06 14:26 UTC [1 record(s)] filled using linear interpolation. Data between 2023-11-07 15:00 UTC and 2023-11-07 15:00 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-11-07 15:00 UTC and 2023-11-07 15:00 UTC [1 record(s)] filled using linear interpolation. Data between 2023-11-17 07:17 UTC and 2023-11-17 07:17 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-11-17 07:17 UTC and 2023-11-17 07:17 UTC [1 record(s)] filled using linear interpolation. Data between 2023-11-29 15:39 UTC and 2023-11-29 15:40 UTC [2 record(s)] deleted due to outliers / errors / missing values. Data between 2023-11-29 15:39 UTC and 2023-11-29 15:40 UTC [2 record(s)] filled using linear interpolation. Data between 2023-11-30 12:41 UTC and 2023-11-30 12:41 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-11-30 12:41 UTC and 2023-11-30 12:41 UTC [1 record(s)] filled using linear interpolation. Data between 2023-11-30 15:15 UTC and 2023-11-30 15:15 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-11-30 15:15 UTC and 2023-11-30 15:15 UTC [1 record(s)] filled using linear interpolation. Data between 2023-12-23 19:03 UTC and 2023-12-23 19:03 UTC [1 record(s)] deleted due to outliers / errors / missing values. Data between 2023-12-23 19:03 UTC and 2023-12-23 19:03 UTC [1 record(s)] filled using linear interpolation. No data filled using nearest neighbor. Files created: Thu Dec 19 07:36:51 2024