LOWER MONUMENTAL DAM, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(454841)

File last updated on April 20, 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
1962-----z-----z-----z-----z-----z-----z-----z-----z-----z43.81 37.17 33.77 38.25i
196320.13 32.68 36.39 41.23 47.84 55.30 58.52 60.16 56.00 45.90 38.90 29.32 43.53
196432.65 29.86 34.58 39.73 47.58 54.60 62.00 57.90 50.63 41.39 35.77 25.45 42.68
196531.65 33.89 32.47a44.37 48.16 55.53 63.52 63.68 50.20 45.26 40.00 30.23 44.91
196631.52 32.63a36.52 42.07 50.48 55.27 61.06 62.29 57.37 42.55 38.17 35.75c45.47
196735.39 34.54 36.37a40.45a48.42 58.30 65.26 65.52 57.80 44.68 33.67 30.48 45.90
196830.10 35.93 39.26 40.20 50.97 57.83 65.77 -----z54.18b42.23 35.83a29.07c43.76a
196917.00 30.07 36.52 43.52a51.77 61.77 61.94 61.03 55.90 41.84 36.90 33.16 44.28
197030.04d36.50 37.23 41.20 49.42 58.40 63.63a60.94 49.77 41.16 34.97 30.23 44.46
197132.45 31.50 32.65 39.77 47.94 52.03 61.06 65.45 50.30 42.23 36.50 28.84 43.39
197224.84 29.45 36.23 37.97 48.55 55.55a-----z63.48 50.97 43.10 37.70 23.03 40.99a
197325.06 32.29 37.74 40.50 48.48 55.27 62.20a61.52 54.73 -----z36.63 36.19 44.60a
197424.35 35.11 -----z43.31a47.13 54.97 59.61 61.03 53.60 42.58 38.60 34.29 44.96a
197529.16 28.71 34.61 37.93 46.52 52.20 63.10 58.13 52.70 -----z35.13 -----z43.82b
197631.97 31.17 30.97 40.37 46.16 51.17 59.90 58.87 55.70 41.42 35.27 28.26 42.60
1977-----z31.19a34.45 39.17 45.42 57.83 60.03 64.03 52.67 41.81 33.43 32.29 44.76a
197829.47a33.79 36.74 41.20 44.68 53.53 58.26 56.71 49.13 36.81 26.30 24.00 40.88
197910.55 -----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z10.55k
1980-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1981-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1982-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1983-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1984-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1985-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1986-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1987-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1988-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1989-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1990-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1991-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1992-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1993-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1994-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1995-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1996-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1997-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1998-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1999-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2000-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2001-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
200234.83y33.33g32.06m40.74k43.39m58.73h61.81j45.15r-----z-----z-----z-----z-----z
200325.75w-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
200437.25w33.13f38.14c40.31q49.76n57.35g65.36i64.71n54.12m48.67j37.61l33.26l38.14k
200527.57j27.38l38.96h41.97 52.28f55.18m63.43q59.23a54.60j49.04g37.81d28.13 41.78h
200637.56f28.82k37.68 44.31d48.81j56.87g66.14i62.07c54.43 45.93d38.56n34.44v48.88g
200719.25w39.44s43.86x-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN27.27 32.46 35.80 41.07 48.09 55.60 61.72 61.30 53.30 42.67 36.04 30.15 43.81
S.D.6.63 2.36 2.22 1.92 1.93 2.75 2.26 2.61 2.77 2.24 3.00 3.82 1.51
SKEW-1.18 0.13 -0.67 0.20 0.18 0.39 0.19 0.00 0.03 -0.71 -1.86 -0.19 -0.44
MAX35.39 36.50 39.26 44.37 51.77 61.77 65.77 65.52 57.80 45.93 40.00 36.19 45.90
MIN10.55 28.71 30.97 37.93 44.68 51.17 58.26 56.71 49.13 36.81 26.30 23.03 40.88
YRS16 16 17 18 16 16 15 17 17 16 18 17 10