EMSN
Nijverdal · Field journal

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NL
§ T · Time machine One day from the archive

Thursday, 30 April 2026

§ T · 02 Weather
Temperature
4.7° to 21.3°
avg. 14.0° · max at 17:39
Rain
0.0 mm
dry
Wind
31.2 m/s
from ZO · avg. 6.3 m/s
Pressure
1029 hPa
1027 – 1031 hPa
Humidity
38%
1,357 readings
§ T · 03 Birds · acoustics
12,227
detections · 49 species
First tick at 00:09, last at 23:46
0h6h12h18h24h
Struikgewas 5,980 · 41 species
Bladerdak 6,247 · 43 species
Top 10 this day
  1. 1 Common blackbird 100% 9,818
  2. 2 Eurasian blue tit 95% 497
  3. 3 Common swift 100% 295
  4. 4 Common chaffinch 96% 265
  5. 5 Great tit 97% 251
  6. 6 Eurasian magpie 98% 175
  7. 7 Western jackdaw 98% 168
  8. 8 Common moorhen 99% 103
  9. 9 Eurasian collared dove 97% 100
  10. 10 European greenfinch 98% 90
§ T · 04 Bats · sonar
475
passes · 11 species
First call at 00:28, last at 23:54
Which species
  1. 1 Common pipistrelle 50.0 kHz 380
  2. 2 Kuhl's pipistrelle 28
  3. 3 Common noctule 20.1 kHz 22
  4. 4 Serotine bat 29.2 kHz 15
  5. 5 Nathusius's pipistrelle 39.3 kHz 13
  6. 6 Leisler's bat 7
  7. 7 Whiskered bat 66.0 kHz 3
  8. 8 Lesser horseshoe bat 3
  9. 9 Soprano pipistrelle 59.5 kHz 2
  10. 10 Brown long-eared bat 20.7 kHz 1
§ T · 05 Sky · AtmosBird
Frames today
144
62% clear
Sun
04:05 – 18:58
twilight 03:25 / 19:38
ISS passes
highest 30.281763213562005°
§ T · 06 Bird migration · FlySafe radar
4.0
average intensity · peak
Dominant category
minimal
8 radar readings