under the snow
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ONP-0013 · PC4-ONP-0013
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about the park
National Park
- World Heritage Site
date / time
date / time
2026-04-30
time
1:15 PM
season cycle, Spring
season cycle
iNaturalist community observations
- Pacific trillium160 obs
- Fairy-slipper123 obs
- Pacific Banana Slug108 obs
- Arctic Butterbur86 obs
- Red-flowering Currant68 obs
- Broad-leaved Stonecrop61 obs
- western skunk cabbage59 obs
- Pacific Bleeding Heart59 obs
research-grade observations within 25 km during this calendar month. Counts are total verified iNaturalist observations
light / sun / UV
UV index
5 · moderate
UV clear sky
6.1 · high
solar (GHI)
719 W/m² · bright
solar DNI
340 W/m²
solar DHI
446 W/m²
clearness
0.82
weather / radar
weather
weather
Overcast
temperature
53°F
humidity
54%
cloud cover
94%
pressure
1020 hPa
wind
5 mph
gusts 9 mph · SW 216°
cloud layers
visibility
22 mi
rain
0"
dew point
37°F
radar
radar· ±1h · 10min

reflectivity (dBZ)
0–75
water
water
Nearest USGS gage, 9.6 km away (not at shutter GPS)
Elwha River
1030 cfs · 10.3 ft · 9.6 km
atmosphere / air quality
satellite
satellite· ±1h · 20min

atmosphere
EPA AQI
34
PM2.5
4.5 µg/m³ · good
European AQI
41 · moderate
PM10
7.4 µg/m³ · good
ozone
102 µg/m³ · moderate
NO₂
4 µg/m³ · good
SO₂
1 µg/m³ · good
air clarity
0.14 · clear
dust
5 µg/m³ · clear
CO
160 µg/m³ · good
sky cover
CLM · clear
CLM · clear · 61°F · 16 km modeled 53°F / 5 mph; nearest station CLM (16 km) reported 61°F / 4 mphMETAR
KCLM 302015Z AUTO 01003KT 10SM CLR 16/07 A3012 RMK T01600070 VRB03KT MADISHF
METAR observed
1:15 PM
night sky
moon
lunar cycle: Full Moon - day 14 not visible (-56°)
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
33mm (91mm equiv.)
exposure triangle: f/5.6 · 1/400s · 100
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, 15.9 km)
- Radar: NEXRAD ATX (79.8 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°