StationPraha Libuš - ČHMÚ (LIB)
State/OrganizationČHMÚ
Year1999
Sampling Methoddaily cummulated samples, weekly wet-only
Mn, Zn, Pb, Cd, Ni, Feweekly bulk

Substances Weeks (months) VWA+
(I)
52-4 		(II)
5-8 		(III)
9-12 		(IV)
13-16 		(V)
17-21 		(VI)
22-25 		(VII)
26-30 		(VIII)
31-34 		(IX)
35-38 		(X)
39-43 		(XI)
44-47 		(XII)
48-51
uhrn
mm 34.7 32.6 22.0 18.1 59.9 62.3 40.9 31.4 34.2 26.4 34.2 28.7 425.4*
cond
uS/cm 19.37 27.16 29.89 37.76 33.36 20.99 20.14 17.16 20.40 25.25 26.50 23.81 24.73
pH
4.73 4.65 4.70 4.59 4.61 4.80 4.90 5.44 4.86 5.29 4.42 4.72 4.73
Na
mg/l 0.55 0.97 0.26 0.16 0.12 0.09 0.07 0.10 0.08 0.25 0.05 0.99 0.28
K
mg/l 0.07 0.06 0.08 0.13 0.14 0.09 0.06 0.20 0.41 0.44 0.05 0.07 0.14
NH4
mg/l 0.40 0.55 1.47 1.87 1.56 0.80 0.88 1.07 0.91 1.34 0.75 0.52 0.98
Mg
mg/l 0.03 0.06 0.06 0.08 0.06 0.05 0.06 0.08 0.07 0.14 0.02 0.07 0.06
Ca
mg/l 0.43 0.69 0.91 1.28 0.71 0.51 0.50 0.79 0.40 0.89 0.22 0.60 0.62
Mn
ug/l 8.5 5.4 18.7 37.3 21.7 12.8 26.2 12.6 11.5 11.3 4.2 6.4 14.4
Zn
ug/l 22.7 214.0 44.8 50.8 66.2 35.3 60.7 44.4 56.6 53.1 33.9 39.3 59.6
Pb
ug/l 2.7 3.1 2.8 8.4 5.9 5.0 1.7 2.5 3.8 2.9 6.0 3.0 4.0
Cd
ug/l 0.2 0.2 0.3 0.4 0.4 0.3 0.2 0.3 0.1 0.2 0.3 0.1 0.3
Ni
ug/l 1.5 3.2 2.0 3.8 1.1 0.8 1.9 4.9 5.4 3.3 1.3 7.3 2.7
Fe
mg/l 0.10 0.11 0.15 0.37 0.13 0.14 0.15 0.13 0.13 0.19 0.10 0.09 0.14
Al
mg/l-------------
F
mg/l 0.02 0.03 0.02 0.06 0.03 0.01 0.02 0.02 0.01 0.03 0.05 0.02 0.02
Cl
mg/l 1.12 1.80 0.51 0.45 0.28 0.15 0.24 0.19 0.36 0.45 0.25 1.88 0.58
NO3
mg/l 2.19 2.84 3.97 5.25 4.05 2.28 2.06 2.08 2.02 2.95 2.48 2.87 2.82
SO4
mg/l 1.56 2.32 3.37 4.78 4.09 2.19 2.42 1.99 2.10 1.84 2.42 1.42 2.53

Legends
+
 volume weighted average
*
 yearly rain amount