Campbell Scientific PWS100 Present Weather Sensor - Manual (Page 115)

Appendix A. PWS100 Output Codes
TABLE A-6. Intensity bounds for rain, drizzle and snow.
Rain Drizzle Snow Rain, Drizzle and Snow
Light
i<2.5 i<0.1 i<1.0 i<1/3 Ч2.5+1/3Ч0.1+1/3Ч1.0
i<1.2 mmh -1
Moderate
2.5≤i<10.0 0.1≤i<0.5 1.0≤i<5.0 1/3 Ч2.5+1/3Ч0.1+1/3Ч1.0
≤ i<1/3 Ч10+1/3Ч0.5+1/3Ч5.0
1.2 mmh -1 ≤ i<5.17 mmh -1
Heavy
i≥10.0 i≥0.5 i≥5.0 i≥ 1/3 Ч10+1/3Ч0.5+1/3Ч5.0
i≥5.17 mmh -1
TABLE A-7. Intensity bounds for rain, drizzle, ice pellets, hail and snow.
Rain Drizzle Ice Pellets Hail Snow Rain, Drizzle, Ice Pellets, Hail
and Snow
Light
i<2.5 i<0.1 i<1.0 i<2.5 i<1.0 i<1/5 Ч2.5+1/5Ч0.1+1/5Ч1.0+
1/5 Ч2.5+1/5Ч1.0
i<0.97 mmh -1
Moderate
2.5≤i<10.0 0.1≤i<0.5 1.0≤i<5.0 2.5≤i<10.0 1.0≤i<5.0 1/5 Ч2.5+1/5Ч0.1+1/5Ч1.0+1/5
Ч2.5+1/5Ч1.0 ≤ i<1/5 Ч10.0+1/5
Ч0.5+1/5Ч5.0+1/5Ч10.0+1/5Ч
5.0
0.97 mmh
-1
≤ i<6.1 mmh -1
Heavy
i≥10.0 i≥0.5 i≥5.0 i≥10.0 i≥5.0 i≥ 1/5 Ч10.0+1/5Ч0.5+1/5Ч5.0+
1/5 Ч10.0+1/5Ч5.0
i≥6.1 mmh -1
TABLE A-8. Intensity bounds for ice pellets, hail and snow.
Ice Pellets Hail Snow Ice Pellets, Hail and Snow
Light
i<1.0 i<2.5 i<1.0 i<1/3 Ч1.0+1/3Ч2.5+1/3Ч1.0
i<1.5 mmh -1
Moderate
1.0≤i<5.0 2.5≤i<10.0 1.0≤i<5.0
1/3 Ч1.0+1/3Ч2.5+1/3Ч1.0
≤ i<1/3 Ч5.0+1/3Ч10+1/3
Ч5.0
1.5 mmh
-1 ≤ i<6.67mmh -1
Heavy
i≥5.0 i≥10.0 i≥5.0 i≥ 1/3 Ч5.0+1/3Ч10+1/3Ч5.0
i≥6.67mmh -1
A-9