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ONP-0009 · PC4-ONP-0009
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map

about the park
National Park
- World Heritage Site
date / time
date / time
2026-04-30
time
12:04 PM
season cycle, Spring
season cycle
iNaturalist community observations
- Pacific trillium163 obs
- Fairy-slipper125 obs
- Pacific Banana Slug109 obs
- Arctic Butterbur89 obs
- Giant Green Anemone72 obs
- Red-flowering Currant69 obs
- western skunk cabbage63 obs
- Pacific Bleeding Heart61 obs
research-grade observations within 25 km during this calendar month. Counts are total verified iNaturalist observations
light / sun / UV
UV index
4.6 · moderate
UV clear sky
5.7 · moderate
solar (GHI)
683 W/m² · partly clear
solar DNI
295 W/m²
solar DHI
434 W/m²
clearness
0.79
weather / radar
weather
weather
Overcast
temperature
51°F
humidity
57%
cloud cover
100%
pressure
1020 hPa
wind
8 mph
gusts 13 mph · S 191°
cloud layers
visibility
21 mi
rain
0"
dew point
36°F
radar
radar· ±1h · 10min

reflectivity (dBZ)
0–75
water
water
Nearest USGS gage, 8.2 km away (not at shutter GPS)
Elwha River
1040 cfs · 10.3 ft · 8.2 km
atmosphere / air quality
satellite
satellite· ±1h · 20min

atmosphere
EPA AQI
32
PM2.5
4 µg/m³ · good
European AQI
42 · moderate
PM10
7.1 µg/m³ · good
ozone
103 µg/m³ · moderate
NO₂
4 µg/m³ · good
SO₂
1 µg/m³ · good
air clarity
0.15 · clear
dust
6 µg/m³ · clear
CO
156 µg/m³ · good
sky cover
CLM · clear
CLM · clear · 61°F · 15 km modeled 51°F / 8 mph; nearest station CLM (15 km) reported 61°F / 6 mphMETAR
KCLM 301905Z AUTO 11005KT 10SM CLR 16/08 A3014 RMK T01600080 VRB05KT MADISHF
METAR observed
12:05 PM
night sky
moon
lunar cycle: Full Moon - day 14 not visible (-57°)
daily moon cycle: before moonrise
night sky
darkness
2 · typical truly dark site
light: dayseeing Poor
milky way
Geometric positions at capture (not naked-eye visibility)
astronomical events
Beltane
technical
sensor / film
color science
Sony
focal length
9mm (24mm equiv.)
exposure triangle: f/4.5 · 1/1000s · 64
exposure triangle
color
histogram
attribution
© 2026 frank charlton
data attribution
- Weather data by Open-Meteo.com (CC BY 4.0)
- METAR / NEXRAD: Iowa Environmental Mesonet, Iowa State University
- Hydrology: USGS Water Data
- Basemap: USGS The National Map
- Solar: NASA POWER (CC BY 4.0)
- Satellite: GOES-West (NOAA/NESDIS); NaturalColor derived (CIMSS recipe)
- Weather interpolated from nearest METAR station (Port Angeles, 14.8 km)
- Radar: NEXRAD ATX (80.1 km), scan time ±10 min
- Satellite: GOES-West (goes18), product time ±20 min
- Sun, moon, and planet positions computed for exact coordinates
- Basemap: USGS Imagery, center ±2.5°