SANDY LAKE DAM LIBBY, MN

Maximum of Precipitation (Inches)

(217460)

File last updated on March 29, 2024
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.

YEAR(S)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1892-----z-----z-----z-----z-----z-----z-----z1.50 0.40 0.20 1.28 0.60 -----z
18930.31m2.25v-----z-----z1.25w-----z0.65u1.01x0.95 0.00 0.46 1.09 -----z
18940.42 0.23b0.67 2.96b1.80 0.32 0.04 0.04 0.25 1.02 0.20 0.50c2.96g
18950.18 0.31w0.04d0.20 1.66 1.05 0.70 0.83u2.15 0.03 0.60 0.17a-----z
18960.17c0.05 0.94 1.96 1.30 0.53 0.63 1.61 0.70 1.30 0.55 0.19 1.96c
18970.80 1.00 1.14 0.25 0.53 1.42 3.35 0.33 1.30 0.35 0.15 0.21 3.35
18980.06 0.47 0.24 0.73 1.07 0.98 0.76w1.05 0.86 0.77 0.46 0.11 1.07w
18990.26 0.16 0.20 0.88 1.28 0.78 1.20u2.05 0.61 1.54 0.33 0.35 2.05u
19000.42 0.09 -----z0.14 0.45 0.32 0.65 1.85 0.55 0.83 0.21 0.40 -----z
19010.13 0.15 0.42 0.56 0.35 3.09 1.28 1.20 0.35 0.77 0.62 0.20 3.09
19020.10a0.26v0.35 0.40 2.45 0.96 1.35 1.10 0.45 1.08 1.10 0.30 2.45w
19030.26 0.33 1.15 0.64 1.00 0.55 2.30 0.97 1.85t2.02 0.40 0.50 2.30t
19040.22 0.31 0.54 0.44 0.50 0.91 0.64 0.53 1.15 1.30 0.12 0.26 1.30
19050.26 0.20 0.24 1.80 1.32 2.42 1.20 1.90 0.81 0.36 1.80 0.07 2.42
19060.39 0.05 0.35 0.50 0.78 1.57 0.80 1.61 0.82 0.82 0.60 0.31 1.61
19070.28 0.11 0.37 0.25x1.50 0.50 0.58 1.75 2.00n0.41 0.31 0.34 -----z
19080.10 0.55 0.42 0.80 1.80s3.10 1.25u1.41 1.30 0.20 0.55 0.12 -----z
19090.42 0.32 0.41 0.86 0.74 0.50 2.47 3.23 1.25 0.75 1.24 0.85 3.23
19100.49 0.96 0.30 -----z0.80 0.80 2.15 0.87 1.70 0.45 0.19 0.18 -----z
19110.21 0.56 0.70 0.32 1.63 0.60 2.10 0.72 0.64 0.31 0.16 0.23 2.10
19120.13 0.00 0.17 0.78 0.97 1.26 0.57 0.95 0.81 0.30 0.16 0.51 1.26
19130.22y0.16 0.39a1.08 0.97 1.37 1.62s0.52 1.40 1.01a0.35 0.08 -----z
19140.20 0.12 0.20 0.64 2.84 1.61 0.56 1.05 1.12 0.70 0.42 0.09 2.84
19150.14 0.13 0.10 0.36 2.18 1.05 2.69 0.55 0.70 2.06 1.06c0.12 2.69c
19160.47 0.14 0.78 0.92 0.80 1.00 1.00 1.06 1.95 0.45 0.30 0.20 1.95
19170.18 0.20 0.90 0.70 0.10 0.95 1.10 0.70 0.85 0.60 0.06 0.22 1.10
19180.10 0.07 0.40 0.80 1.60 0.60 0.90 0.76 0.45 0.70 1.10 0.80 1.60
19190.18 0.17 0.75 0.95 0.80 1.50 2.00 2.00 0.70 0.95 0.65 0.06 2.00
19200.14 0.08 0.70 0.45 1.40 2.05 1.00 1.60 1.35 0.90 0.35 0.20 2.05
19210.09 0.07 0.95 0.55 1.50 1.95 1.75 0.80 1.10 0.40 0.30 0.28 1.95
19220.26 0.40 0.50 0.75 0.90 0.90 2.50 1.10 0.70 1.45 0.65 0.15 2.50
19230.35 0.14 0.13 0.80 1.30 1.30 2.40 1.70 0.50 0.40 0.25 0.30 2.40
19240.04 0.16 0.06 0.80 0.88 0.62 2.10 0.80 1.90 0.46 0.20 0.20 2.10
19250.16 0.40 0.45 1.00 0.60 1.30 0.85 3.80 1.10 0.35 0.30 0.28 3.80
19260.22 0.24 0.42 0.05 0.40 0.80 1.60t1.47 1.07 0.44 0.42 0.36 1.60t
19270.29 0.55 0.52 0.30 0.42 0.85 1.48 0.92 0.65 0.63 0.17 0.29 1.48
19280.27 0.21 0.30 0.33 1.13 1.04 1.90 1.82 2.24 1.36 0.09 0.40 2.24
19290.11 0.04 0.21 0.26 1.54 0.97 0.77 0.59 1.06 0.65 0.17 0.28 1.54
19300.36 0.56 0.32 0.16 1.40 0.89 0.39 0.27 1.82 0.27 1.32 0.14 1.82
19310.07 0.08 0.21 0.20 1.78 2.36 1.10 3.01 0.55 0.95 0.80 0.10 3.01
19320.31 0.09 0.10 0.40 1.00 0.34 1.12 0.63 0.47 0.63 1.14 0.11 1.14
19330.18 0.30 0.09 0.81 1.35 0.81 0.91 0.47 1.31 1.52 0.18 0.36 1.52
19340.19 0.14 0.19 0.31 0.40 1.66 1.46 0.73 2.00 0.67 0.86 0.22 2.00
19350.25 0.07 0.79 0.98 0.79 1.85 1.59 1.26 0.99 0.68 0.27 0.19 1.85
19360.35 0.20 0.21 0.39 1.03 0.80 0.18 0.24r0.64 0.27 0.30 0.53 1.03r
19370.25 0.41 0.22 0.51 0.94 1.18 0.72 1.35v1.56 0.54 0.85 0.22 1.56v
19380.15 0.13 0.44 1.30 1.50 0.85 1.98 1.18 2.01 0.39 0.82 0.15 2.01
19390.47 0.48 0.68 0.16 0.93 0.87 0.89 1.47 0.15 1.44 0.05 0.24 1.47
19400.08 0.34 0.39 1.33 1.35 0.66 0.88 0.56 0.94 1.65 0.60 0.06 1.65
19410.32 0.14 0.21 1.42 1.51 1.04 0.81 2.04 1.99 0.63 0.03 0.18 2.04
19420.19 0.09 0.29 2.26 2.09 2.29 0.86 3.11 0.38 0.54 0.36 0.19 3.11
19430.19 0.21 0.56 0.45 1.73 2.37 0.60 0.60 1.56 0.80 0.66 0.04 2.37
19440.22 0.51 0.17 0.66 1.05 2.14 0.50 1.83 0.63 0.07 0.32 0.12 2.14
19450.12 0.48 1.43 0.70 0.32 1.18 1.34 1.40 1.08 0.35 0.68 0.14 1.43
19460.15 0.26 0.98 0.58 0.91 1.17 1.93 0.53 1.25 2.56 0.82 0.58 2.56
19470.23 0.16 0.21 0.88 0.65 2.78 0.53 1.41 1.30 0.43 0.65 0.12 2.78
19480.29 0.83 1.05 1.30 0.40 1.30 1.30 1.20 0.18 0.43 0.90 0.55 1.30
19490.45a0.09 0.56 0.30 1.36 0.68 1.90 0.80 0.55 2.03 0.65 0.67 2.03a
19500.81 0.11 0.31 0.95 1.62 1.30 1.22 0.82 0.70 1.10 0.50 0.23 1.62
19510.12 0.35 0.72 0.62 1.15 1.09 0.98 1.46 1.41 1.45 0.51 0.31 1.46
19520.40 0.12 0.37 0.47 0.38 1.20 2.61 0.90 0.40 0.30 0.41 0.10 2.61
19530.45 0.29a0.34 1.00 1.74 1.83a1.98 4.09 0.69 0.41 0.95 0.28 4.09b
19540.29 0.23 0.69 0.90 0.90 0.72 2.55 0.71 0.78 0.57 0.23 0.06 2.55
19550.24 0.51 0.33 0.55 0.76 1.22 2.24 2.36 1.90 0.39 0.38 0.30 2.36
19560.30 0.06a0.50 0.68 0.84 0.74 1.50 1.39 0.41 0.67 0.52 0.40 1.50a
19570.09 0.38 1.00 1.49 0.72 1.13 1.83 1.08 0.78 0.39 0.50 0.14 1.83
19580.28 0.01 0.36 0.53 1.04 0.80 1.50 1.30 1.60 0.75 0.50 0.15 1.60
19590.19 0.18 0.08 0.26 1.68 1.25 0.82 1.18 1.20 0.50 0.15 0.37 1.68
19600.32 0.08 0.42 1.35 1.64 1.35 0.93 1.35 0.41 0.36 0.88 0.50 1.64
19610.14 0.17 0.36 0.72 1.40 0.32 0.86 0.75 1.00 0.80 0.46 0.27 1.40
19620.16 0.43 0.23 0.95 2.07 1.51 0.90 1.60 1.52 0.25 0.11 0.18 2.07
19630.02 0.17 0.63 0.61 1.53 1.32 2.83 1.40 0.80 0.57 1.05 0.22 2.83
19640.18 0.08 0.59 1.35 0.98 1.33 0.40 2.33 1.89 0.22 0.63 0.62 2.33
19650.23 0.70 0.86 0.44 0.78 1.88 0.56 1.00 1.92 1.10 1.26 0.40 1.92
19660.21 0.50 1.23 0.83 0.75 1.70 2.05 1.50 0.50 0.87 0.33 0.23 2.05
19670.35 0.07 0.39 0.52 0.38 2.12 1.00 0.61 0.46 0.73 0.10 0.42 2.12
19680.27 0.03 0.53 1.10 0.53 1.17 1.00 0.70 1.22 1.23 0.18 0.57 1.23
19690.72 0.22 0.17 0.38 0.94 0.85 1.74 0.26 1.70 0.50 0.35 0.47 1.74
19700.12 0.13 0.90 0.91 1.15 0.90 0.53 0.42 0.45 1.52 1.31 0.31 1.52
19710.21 2.14 0.33 0.49 1.21 1.96 1.07 0.69 0.53 2.35 0.53 0.21 2.35
19720.60 0.20 0.47 0.68 0.82 1.07 4.65 1.91 0.75 0.56 0.68 0.21 4.65
19730.13 0.06 0.17 0.44 0.86 0.72 1.15 2.55 0.90 1.75 0.59 0.13 2.55
19740.16 0.14 0.35 0.68 1.20 2.31 1.52 2.00 0.12 0.49 1.37 0.23 2.31
19751.26 0.11 1.00 0.85 0.71 1.39 0.66 0.86 0.44 0.81 0.41 0.15 1.39
19760.31 0.12 0.40 0.22 0.99 1.40 1.04 0.47 0.23 0.36 0.16 0.14 1.40
19770.19 0.47 0.95 0.49 0.78 1.05 1.50 1.03 0.79 0.90 1.04 0.42 1.50
19780.07 0.14 0.26 0.52 2.95 0.85 1.03 3.92 0.89 0.44 0.25 0.40 3.92
19790.15 0.62 0.88 0.36 0.75 1.05 1.34 0.75 1.68 1.74 0.84 0.09 1.74
19800.57 0.11 0.45 0.30 0.53 0.60 1.32 1.01 0.69 0.26 0.19 0.13 1.32
19810.06 0.46 0.54 1.28 0.60 1.55 0.64 0.91 0.88 1.40 0.42 0.14a1.55a
19820.68 0.22 0.58 0.67 0.92 1.20 0.74 1.09 1.05 1.46 0.44 0.28 1.46
19830.40 0.06 0.28 0.15 0.52 1.13 1.67 1.14 0.95 1.14 1.05 0.33 1.67
19840.13 0.38 0.21 0.43 0.93 1.26 0.90 1.05 1.03 2.07 0.48 0.90 2.07
19850.05 0.13 0.84 1.98 1.63 2.77 2.40 1.18 1.25 0.83 0.32 0.18 2.77
19860.19 0.30 0.28 1.40 1.09 2.12 1.51 1.21 4.24 0.23 0.37 0.19 4.24
19870.21 0.06 0.27 0.09 1.10 1.44 2.03 1.19 0.57 0.12 0.15 0.46 2.03
19880.45 0.05 0.33 0.22 0.80 1.18 0.55 1.17 0.84 0.27 0.86 0.52 1.18
19890.24 0.10 1.03 0.63 0.57 3.11 1.14 4.23 1.22 0.98 0.16 0.10 4.23
19900.14 0.32 0.60 1.31 0.55 4.03 1.39 0.64 1.04 1.59a0.21 0.48 4.03a
19910.15d0.27b0.80b0.62 1.35 1.55 1.18 1.19 1.45 0.45h0.57h0.12a1.55y
19920.38c0.25a-----z0.30a1.65 1.45 1.71 0.86 0.73 0.30 0.13f0.40b-----z
19930.25l0.10a0.15c0.97a1.12 1.73 2.93 1.24 0.34 0.51b0.38 0.30d2.93w
19940.19d0.19a0.38b1.05 1.20 1.82 1.72a1.09 2.30a0.88e0.35a0.15b2.30q
19950.46h0.58d0.25e0.33b1.51 0.62 1.61 2.17 0.65 4.33g0.44f0.56 -----z
19960.27 0.14 0.08 0.60 0.64 1.02 1.65 1.47 0.75a1.22b0.34d-----z-----z
19970.48d0.17b0.71a0.32 0.43 2.24 2.00 0.95 1.02 1.63a0.49c0.15c2.24n
19980.16c0.09d0.69c0.50a0.80 1.65 1.15a1.00g0.98a1.25h0.39g0.26d-----z
19990.09h0.13l0.30f0.48j1.46f0.75a2.89i1.65c1.45l0.58j0.34c0.10o-----z
20000.11n0.37n0.80s0.52u1.45o1.21k0.67k3.25p0.46k0.98q0.95n0.18m-----z
20010.31u0.75t0.14w2.35i1.08o1.57r0.89t1.02p0.53m0.75u0.63r-----z-----z
20020.03v0.13s0.28b0.76t0.45l1.90m3.05m1.05i0.81r1.03o0.02q-----z-----z
20030.03v-----z0.24w0.78r0.65n1.03k1.26k1.10n1.93m1.15q0.20m0.17t-----z
20040.30t0.37j0.44j0.41q1.31j0.24i1.30k0.80i2.12c0.75f0.27u0.38l-----z
20050.32o0.19g0.58d0.98d1.58c1.25b1.64 0.38a2.17c2.79d0.60j0.20i-----z
20060.08f0.24g0.43d0.23g0.77 1.32 1.20 0.34 0.45d0.76b0.33c0.95b-----z
20070.05d0.44c0.32f1.44c0.75b0.50 0.58 1.52 1.45 2.97g0.21b0.52a-----z
20080.20a0.15e0.26k0.83b0.76e1.59 0.61 0.27a0.82e1.00c0.43c0.33 -----z
20090.36 0.29b1.30a0.45d0.80n0.91a1.49 1.03a0.09 0.58 0.37 0.30d-----z
20100.75 0.03h0.23i0.42g0.59 0.90 1.77 0.79 0.90c2.64k0.55 0.42 -----z
20110.42k0.06i0.15 0.50c0.82 2.00 0.69 1.00 0.50 0.90b0.26 0.12 2.00y
20120.14a0.22 0.23 1.40 2.50a5.06 1.37 1.03 0.12 0.25d0.77l0.48h-----z
20130.38f0.28j0.58f0.98d0.56 1.62 0.67b0.91 0.72 1.29e0.21h0.43k-----z
20140.20g0.88h0.45e1.20e1.25a1.32 0.81 1.88 0.63 0.25f0.23k0.16g-----z
20150.15i0.30f0.19l0.78h0.93b0.55 0.90 1.97a2.51b0.80h1.35i0.71f-----z
20160.32i0.26e1.34c1.69f0.43c1.12 1.88 0.75 1.33 0.56h0.37h0.80e-----z
20170.21j0.69h0.26i0.84f0.59b1.26 0.94 1.28 0.80 1.29e0.22j0.79h-----z
20180.10i1.10f0.18e0.20h1.25b1.43a1.71 0.45 1.91 1.03g0.27g1.15k-----z
20190.26f0.20g0.64h0.35d0.35b1.77a1.70 1.90 1.25 1.95e0.28j1.17j-----z
20200.40g0.04f1.09f0.53d0.42b0.37a1.75a3.05 0.17 1.05e1.28p0.27h-----z
20210.36g0.08f0.92d0.75d0.89c0.66 0.41 0.46 0.80b1.42h1.10h1.21f-----z
20220.14l0.59i0.71l0.99n2.07j1.54d0.49h1.18d0.77e0.18h1.29g1.22j-----z
20230.31j0.61k0.39i1.08m0.64b1.09 0.25 1.23c2.68e0.63i0.67j1.90j-----z
20240.29g0.21 0.14e-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN0.27 0.26 0.49 0.74 1.06 1.33 1.33 1.28 1.04 0.84 0.51 0.30 2.16
S.D.0.19 0.27 0.32 0.48 0.53 0.73 0.73 0.79 0.64 0.57 0.35 0.21 0.80
SKEW2.11 3.72 0.91 1.60 1.04 1.86 1.17 1.62 1.46 1.09 1.12 1.43 1.21
MAX1.26 2.14 1.43 2.96 2.95 5.06 4.65 4.23 4.24 2.79 1.80 1.09 4.65
MIN0.02 0.00 0.04 0.05 0.10 0.32 0.04 0.04 0.09 0.00 0.03 0.04 1.10
YRS107 109 114 114 121 125 118 122 125 114 110 113 83