MUD MOUNTAIN DAM, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(455704)

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
193932.72m30.00 33.47a39.23 42.90 45.83 50.90 50.81 46.93 42.41d39.27d36.56d41.66a
194033.69e35.57a36.77 39.21a44.50c46.77 50.13 49.61 50.40 43.21c33.27d34.72b41.49
194134.81e35.43e38.10a39.66a43.32 46.17 53.48 51.06 46.10 42.37a36.92e31.55b41.58
194231.08g32.54 32.32c38.03 43.23a45.96b54.00 51.94 47.17 44.00 35.53 34.23 41.72a
194325.39 34.25 32.64c39.93a40.68 45.53 50.65 49.60a47.73 41.74 37.90 32.06 39.84
194432.03 31.31 31.53a37.87 41.81 46.53 51.06 50.32 49.40 46.00 35.93 32.87 40.56
194533.42 33.07 32.42 34.80 44.27a45.73 50.77 49.65 45.61b42.89c34.52a32.67a39.98
194632.20a32.40c33.70a37.86b43.67a46.10 51.00 50.71 48.37c37.68c32.59a31.61 39.82
194726.83a33.25 36.71 39.80 45.61 46.80 49.87 48.42 47.90 43.10 35.57 34.55 40.70
194830.43a28.83 31.97a34.97 42.66b49.87 48.65 51.17a45.00 40.65 33.03 28.71 38.83
194919.90a28.25 34.58 37.63 43.74 43.70 48.16 48.88f47.60 37.03 42.41a29.81 37.53a
195015.10 29.46 32.52 35.37 39.48 46.56c50.29 51.71 46.23 40.60a35.00a37.35 38.31
195129.74 31.39 30.14b36.60 41.90a47.47 50.19 49.13 48.76a43.42 36.97 30.10a39.65
195228.39 31.83 33.35 37.60 42.29 45.10 51.30a51.42 48.67 45.67a33.67 33.42 40.22
195337.03 33.04 34.61 38.23 43.35 45.90 51.03a52.19 48.70 43.71 38.19c35.50a41.79
195428.71 34.79 31.68 35.10a42.61 44.77 47.72b49.55 47.90 40.74 41.21a34.30a39.92
195532.03 29.50 28.16 34.47 39.10 46.30 49.16 47.81d46.67 42.61 31.47 31.06 38.20
195630.57a27.72 32.10 38.27 44.77 47.23 52.13 50.66b47.13 40.61 34.86a33.68 39.98
195724.16 29.56a35.52 38.31a46.17a49.63 50.19 49.55 50.80 41.97 35.30 35.10 40.52
195836.27a39.32 33.13 37.60 47.60a52.27 55.13 52.26 47.37 43.81 35.57 37.48 43.15
195932.35 30.54 33.76b38.77 41.29 48.57 51.87 49.03 46.73 43.00 35.43 32.61 40.33
196030.68 31.89a32.87 37.77 42.03 47.13 51.35 50.81 47.03 43.10b34.62a33.00 40.19
196136.47a35.29 35.26 37.70 42.00 49.83 52.33a52.77 44.47 39.55 33.03 31.84 40.88
196230.58 33.14 31.77 38.72a40.19 45.27 48.73a50.47a48.23 42.77 37.73 34.03 40.14
196324.74 38.36 33.65 36.33 42.10 46.67 48.39 50.94 50.87 43.55 36.57 33.63a40.48
196432.63a30.45 33.39 34.33 39.13 45.79a49.71 49.32 45.60 44.23 32.31a27.87 38.73
196532.74 33.43 33.84 37.79a39.07a46.20 51.61 52.58 45.03 44.42 41.00 31.32 40.75
196631.68 32.50 33.65 38.27 40.97 46.07 49.81 50.26 48.77 39.84 36.97a36.52 40.44
196734.03 32.93 32.19 33.63 42.32 50.30 50.23 53.58 49.37 43.37a36.67 31.61 40.85
196831.84 37.86 37.32 35.97 42.32 47.70 52.03 50.77 47.73 40.10 37.07 27.48 40.68
196924.39 30.64 33.87 37.27 44.45 51.67 49.71 48.61 48.30 39.48 38.13 35.00 40.13
197031.03 36.50 33.84 34.70 41.29 49.43 50.26 49.19 45.40 40.29 37.27 30.48 39.97
197130.42 32.57 30.35 36.40 41.94 44.67 51.97 53.68 45.60 38.68 35.93 29.68 39.32
197227.42 31.62 35.61 34.80 44.61 47.70 51.47a51.74 44.23 37.19 36.77 28.19 39.28
197329.90 33.96 33.97 36.77 43.13 47.83 50.81 46.94 47.80 41.42 33.20 35.61 40.11
197428.29 32.82 33.71 37.77 40.10 47.90 50.65 52.68 49.93 40.65 37.63 34.61 40.56
197530.65 30.25 31.65 31.07 42.03 46.60 52.52 50.03a48.03 41.39 34.93 33.35 39.37
197633.03 31.48 30.90 37.17 41.84 44.63 50.47a50.90 49.67 40.39 37.03 34.10 40.13
197727.87 36.11 32.77 39.23 40.55 47.70 49.65 54.42 45.67 39.32 33.17 33.32 39.98
197835.29 35.54 37.42 37.40 42.06 50.37 51.94 51.60a47.57 41.71 30.73 27.32 40.75
197926.39 30.89 35.84 37.50 43.71 46.67 51.26 51.71 48.53 42.35 33.73 36.65 40.44
198024.58 32.83 33.94 37.97 41.55 45.53 49.32 47.83b46.20 40.84 36.77 34.94 39.36
198138.61 33.04 36.32 37.83 42.13 45.38a50.61 52.97 47.03 38.32 36.78c30.77 40.82
198229.50a31.07 31.97 33.28a41.06 49.57 50.03 51.58 48.10 41.25c32.60 -----z40.00a
198335.86c35.92b37.23 37.90 45.38b47.30 50.52 52.10 44.77 39.38b36.55a25.61 40.71
198433.32 33.29a35.61 35.07 39.16 43.97 48.10 48.74 43.07 34.87 31.63c28.65 37.96
198529.39 28.25 30.90 38.03a41.97 46.50 52.13 49.68 43.60 38.52 25.28a28.00 37.69
198636.03a30.30a35.87a35.37 41.94 48.93 47.77 52.13 43.77 40.39 34.27 32.70a39.95
198731.29 35.75 36.21c38.57 43.37a47.43 50.29 50.19 46.79b40.87 38.40 29.62b40.73
198831.27a33.21 34.26 38.93 42.26 45.87 50.39 49.55 46.90a44.23a36.14a32.90 40.49
198930.97 25.00 32.40a39.87 42.81 49.53 50.81 51.00 47.80 40.23a36.40 33.19 40.00
199032.43a28.67a36.00 40.67 42.52 47.33 53.23 53.06 49.20 39.13a36.21a24.47a40.24
199130.33a36.96 32.48 36.70 41.87 44.40 50.81 52.16 47.00 38.77a37.17a34.86b40.29
199236.44d39.86a38.53a40.00 43.32 48.70 52.16 50.39 45.34a42.67a36.27d30.72b42.03
199328.03b31.40c37.23a39.04b47.23a47.69a49.81 51.19 46.47 43.74 30.39b33.11c40.44
199436.11c30.20c36.10b40.24a44.06 46.03a51.65 51.00 48.76a40.90b32.57i31.88f42.51b
199536.26 31.54d36.23e37.37 43.81 47.48a52.27a47.73a49.41a39.61 39.30c34.70d41.31
199631.59d32.80d35.17a39.72a40.63a45.46b52.06 50.13 45.00c41.69b34.19c31.73a40.02
199732.76b33.63a34.93a36.72a45.55b46.93b50.81 53.24b49.50 40.74d39.45a34.54e41.57
199832.90b35.22a36.23a37.37 44.40a48.46d55.00 52.23a48.41a41.23 36.71f28.57c41.82a
199931.35 32.31b32.47a33.45a37.17a44.93 47.58 50.17b43.03a38.07a35.71b31.23e38.12
200027.97b30.89a30.23 -----z39.17a45.10a47.68 46.50a44.21a37.53a29.28a29.16 37.06a
200130.33a27.04b31.61 32.07b38.50a42.14b45.61c48.07a43.18b37.40a34.88e27.43a36.52
200226.81 25.64 25.86b30.83 36.10 42.28a47.60a48.58 44.27 36.28b36.52c33.13 36.16
200336.47a31.00 36.00 36.17 41.37a47.93a50.58 50.10 48.12f43.26d27.52e29.73a39.10a
200430.64f31.17 32.52 35.50b42.27a46.17 49.73a50.84 43.38a39.13 30.10 30.19 39.18a
200530.16 27.18 33.71 34.17 42.10 43.60 47.39 48.00 40.70 40.23 32.93 31.90 37.67
200634.61 31.21 35.29 38.63 44.81 51.93 54.68 51.26 49.63 41.29 37.24a35.23 42.15
200730.42 34.50 35.19 36.47 39.87 48.20 55.73a52.61 47.62a41.42 35.93 33.58 40.96
200830.52 33.69 32.19 32.73 41.23 42.53 47.55 47.87 42.37 34.37a36.67 21.10 36.90
200925.06 29.64 32.29 36.47 43.29 50.81d53.38g54.13 55.77 47.42 43.70 27.81 40.58a
201034.16 36.54 36.00 37.17 40.77 46.27 50.10 51.39 49.13 41.68 33.53 33.77 40.88
201132.13 27.89 33.06 33.27 39.03 46.37 48.74 53.29 51.33 44.10 32.83 30.23 39.36
201231.94 35.48 33.23 39.03 41.77 46.27 50.42 49.65 44.87 42.06 38.83 34.90 40.70
201328.90 33.21 34.97 38.10 44.68 50.80 52.03 55.55 52.80 38.68 36.13 28.13 41.17
201433.84 29.68 36.03 39.47 46.90 48.27 54.68 55.16 51.73 47.32 36.17 35.10 42.86
201535.81 38.36 38.58 38.23 46.84 53.80 56.81 52.19 46.03 46.03 32.70 33.52 43.24
201634.52 37.72 37.68 43.87 47.61 50.10 54.71 53.39 46.67 43.90 42.00 28.13 43.36
201727.65 32.54 35.74 39.37 44.19 48.97 50.55 55.19 50.73 39.64c37.07 32.26 41.16
201836.58 30.71 34.03 38.77 47.16 48.43 52.94 53.97 47.03 40.06 38.67 33.52 41.82
201935.65 26.96 33.52 40.10 46.13 47.57 53.42 54.74 50.50 39.03 34.87 34.42 41.41
202033.77 33.46c32.87 37.93 47.26 48.17 53.10 51.58 52.60 43.13 37.17a34.10 42.10
202134.68 31.96 33.26 37.83 43.23 53.37 53.58 54.45 47.87 41.32 37.60 30.70a41.65
202232.55 31.43 37.00 35.43 42.35 50.57 55.00e55.70d49.50d45.26 31.93 30.13 41.40
202332.67a30.43 31.26 36.87 46.42 47.17 50.52 54.94 49.07 44.00 36.13 38.42 41.49
202433.45 34.93 36.11d-----z-----z-----z-----z-----z-----z-----z-----z-----z34.83i
Period of Record Statistics
MEAN31.24 32.38 33.97 37.17 42.66 47.26 50.96 51.14 47.38 41.31 35.58 32.08 40.30
S.D.3.99 3.06 2.32 2.27 2.41 2.33 2.13 2.09 2.56 2.58 3.10 3.13 1.42
SKEW-1.08 0.13 -0.40 -0.49 0.02 0.44 0.31 0.15 0.19 -0.12 -0.37 -0.68 -0.57
MAX38.61 39.86 38.58 43.87 47.61 53.80 56.81 55.70 55.77 47.42 43.70 38.42 43.36
MIN15.10 25.00 25.86 30.83 36.10 42.14 45.61 46.50 40.70 34.37 25.28 21.10 36.16
YRS83 86 86 84 85 85 84 84 84 85 83 83 75