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OctoberNovemberDecemberJanuaryFebruaryMarchAprilMaySeasonSeason + mayAverages / DecadeNotes
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SnowH20SnowH20SnowH20SnowH20SnowH20SnowH20SnowH20SnowH20SnowH20
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Monthly Ave65.86.287.68.189.78.581.27.486.27.964.06.50476.544.55
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Max206.013.8244.525.5199.716.9156.613.5183.016.5136.313.54745.571.04Nov DecJanFeb
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MinENSO years9.80.911.80.81.00.120.51.923.82.45.00.30213.023.7474th24th75th78th
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WINTER YEARel nino/ la nina / neutralSolar Max/Min 11yr CycleOctoberNovemberDecemberJanuaryFebruaryMarchAprilMayTotal
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SnowH20SnowH20SnowH20SnowH20SnowH20SnowH20SnowH20SnowH20SnowH20
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1944 to 45Solar min57.019.567.057.0
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1945 to 46109.09.3483.09.6884.57.5750.03.669.06.8555.56.24451.043.27
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1946 to 47Solar Max69.06.7663.04.7761.05.0253.03.968.05.4060.05.00374.030.83
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1947 to 48118.08.5780.04.9346.04.3966.04.7165.013.3074.09.15549.045.07
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1948 to 4971.06.41160.09.53132.010.3158.05.097.07.175.00.30523.038.72474.339.5
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1949 to 50 39.04.46137.011.75133.013.4334.03.4109.010.4525.02.48477.045.96
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1950 to 51N60.010.0866.09.93112.09.2958.06.853.04.9513.01.35362.042.38
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1951 to 52El Nino Mod67.06.22156.015.49115.09.50105.09.0163.015.4335.04.12641.059.74
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1952 to 53El Nino Weak44.03.7765.05.48112.013.3340.04.793.09.5557.04.98411.041.79
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1953 to 54El Nino WeakSolar min50.06.09107.08.7654.06.7357.06.7101.08.8514.01.60383.038.68
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1954 to 55La Nina Weak37.04.4553.04.96134.011.53129.011.360.07.5959.04.94472.044.74
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1955 to 56La Nina Mod86.09.92112.015.96103.013.7072.06.533.02.4154.04.91460.053.43
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1956 to 57N36.03.0550.07.4486.07.4141.04.597.010.1276.09.21386.041.77
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1957 to 58El Nino StrongSolar Max74.07.1579.59.7083.56.98131.512.580.06.81111.09.87559.553.01
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1958 to 59El Nino Weak38.03.4247.55.2781.08.16107.011.584.58.4928.02.52386.039.40453.846.1
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1959 to 60 N22.02.4639.53.3559.05.68155.012.592.010.1528.02.51395.536.63
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1960 to 61N75.05.0740.03.871.00.0762.07.2113.09.8735.02.53326.028.65
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1961 to 62N46.02.7682.58.2586.013.10110.011.135.08.6642.05.86401.549.74
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1962 to 63N31.02.6317.01.5985.06.2339.05.493.08.45136.013.39401.037.73
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1963 to 64El Nino Mod55.04.9453.03.84108.08.3968.04.0183.013.4499.010.93566.045.52
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1964 to 65La Nina WeakSolar min95.09.67141.017.25150.016.3466.04.744.03.5077.07.73573.059.21
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1965 to 66El Nino Strong69.07.9669.06.6773.06.11103.06.270.05.0449.03.20433.035.17
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1966 to 67N53.04.8484.07.50168.013.5772.06.061.06.35106.08.96544.047.25
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1967 to 68N22.02.02131.012.7239.03.6384.010.370.05.92133.510.96479.545.51
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1968 to 69El Nino ModSolar Max87.57.55132.69.86113.013.03148.012.235.02.4650.04.41566.149.47468.643.5
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1969 to 70El Nino Weak56.04.6070.05.26103.511.8160.579.07.2190.07.20459.036.08
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1970 to 71La Nina Mod79.04.51142.010.9058.09.4273.55.987.07.6442.04.98481.543.35
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1971 to 72La Nina Weak64.56.52159.013.5494.59.2145.04.147.07.3256.57.82466.548.49
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1972 to 73El Nino Strong122.09.5464.55.4277.04.5124.07.14109.08.11496.534.72
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1973 to 74La Nina Strong90.98.99128.212.36104.57.3991.08.945.04.16136.012.29595.654.12
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1974 to 75La Nina Weak25.51.84146.512.57104.06.9788.07.6151.013.9890.07.93605.050.85
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1975 to 76La Nina StrongSolar min94.07.5267.05.5974.54.7069.07.693.06.7942.05.07439.537.24
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1976 to 77El Nino Weak13.50.9317.01.1150.54.3073.56.2129.09.2431.01.92314.523.74
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1977 to 78El Nino Weak53.05.58106.510.8899.58.5292.58.785.09.3688.08.80524.551.83
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1978 to 79N62.55.9796.09.2278.58.4286.08.171.06.6894.07.12488.045.54487.142.6
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1979 to 80El Nino WeakSolar Max79.57.0227.01.56143.016.86112.512.5123.010.0629.03.07514.051.10
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1980 to 81N40.04.83343.73735.61826.011010.82524.72391.035.70
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1981 to 82N49.04.24184.018.65143.010.4885.07.4164.015.0973.010.34698.066.19
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1982 to 83El Nino Very Strong66.06.75165.012.9575.57.5868.08.0150.013.42112.59.68637.058.40
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1983 to 84La Nina Weak143.013.79244.525.4542.03.75104.07.785.07.93124.512.46743.071.04Switched to UDOT Avy.
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1984 to 85La Nina Weak110.511.72105.08.0741.02.7061.56.199.59.1933.54.72451.042.45
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1985 to 86NSolar min135.012.6662.05.0840.04.68112.713.5100.010.17123.311.83573.057.88
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1986 to 87El Nino Mod95.09.3411.80.7598.89.1181.06.2110.29.0051.02.83447.837.22
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1987 to 88El Nino Strong34.74.3179.36.26105.57.0739.54.4116.58.6920.53.15396.033.84
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1988 to 89La Nina StrongSolar Max172.513.19124.59.9067.55.5693.57.764.58.4252.05.36574.550.08542.550.4
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1989 to 90N60.05.7249.03.50107.59.22100.57.784.08.0331.04.83432.039.02
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1990 to 91N109.510.0291.05.3887.88.1849.74.7110.98.85136.39.90585.247.07
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1991 to 92El Nino Strong133.410.3557.23.6541.82.1985.07.150.14.3927.53.36395.031.07
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1992 to 93N118.89.49119.28.88165.312.68102.98.172.07.7081.27.61659.454.47
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1993 to 94N40.73.2964.93.97122.78.06134.111.047.24.8380.86.44490.437.57
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1994 to 95El Nino Mod206.012.4073.94.66199.716.0656.35.8128.913.7480.76.91745.559.57
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1995 to 96La Nina Mod57.07.0853.38.27187.315.53103.710.282.36.8679.38.89562.956.79
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1996 to 97NSolar min78.37.74164.815.52141.514.5591.06.553.84.4569.87.95599.256.67
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1997 to 98El Nino Very Strong46.34.3181.85.46129.913.05156.610.192.36.6369.06.31575.945.89
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1998 to 99La Nina Strong76.56.6543.12.97105.310.1298.07.846.73.47101.19.62470.740.64551.646.9
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1999 to 00La Nina Strong30.02.5997.07.58100.09.21119.510.584.06.3815.53.01446.039.30Switched to Guard plot.
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2000 to 01La Nina WeakSolar max88.26.6170.96.7960.04.7273.56.046.34.8693.511.69432.440.63
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2001 to 02N117.713.0592.08.1780.58.0744.55.5114.011.7344.64.68493.351.23
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2002 to 03El Nino Mod39.05.0254.04.7835.04.3776.56.782.77.4062.05.53349.233.81
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2003 to 04N110.09.52139.811.6766.05.83108.08.160.05.4542.55.47526.345.99
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2004 to 05El Nino Weak58.05.9572.09.92106.013.9371.06.1130.013.2554.06.19491.055.38
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2005 to 06La Nina Weak60.08.66128.014.90126.013.7453.55.6124.011.2671.58.44563.062.59
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2006 to 07El Nino Weak63.06.0051.54.0938.52.28107.09.663.54.8432.33.88355.830.71
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2007 to 08La Nina Strong15.00.98149.011.50170.016.46116.011.571.06.0866.05.98587.052.46
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2008 to 09La Nina WeakSolar min56.07.85107.09.82113.012.1175.04.6114.010.26113.012.00578.056.65482.246.9
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2009 to 10El Nino Mod22.01.7371.56.0288.57.8161.05.360.04.84127.011.89430.037.60
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2010 to 11La Nina Strong82.510.83114.013.4842.07.0497.59.0100.09.67117.013.54553.063.54
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2011 to 12La Nina Mod52.04.7220.01.7364.58.2163.06.182.06.3248.05.51329.532.59
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2012 to 13N61.05.14101.08.8057.04.6956.03.145.04.2361.57.15381.533.10
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2013 to 14NSolar max31.52.9954.36.0661.05.8885.59.370.08.1951.55.89353.938.34
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2014 to 15El Nino Weak58.06.4081.58.3028.52.7034.83.123.82.4247.24.09273.826.99Lowest year on record at guard plot/ atwater
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2015 to 16El Nino Very Strong46.04.10105.37.7097.08.9634.44.467.56.4842.36.46392.538.10
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2016 to 17La Nina Weak65.75.4179.07.56154.013.33113.89.045.04.7073.08.80530.548.80
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2017 to 18La Nina Weak14.52.3543.04.0951.54.5565.75.570.58.3942.05.67287.230.50
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2018 to 19El Nino Weak46.15.4756.34.4385.28.94126.213.299.69.4363.48.63476.850.11400.940.0
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2019 to 20El Nino WeakSolar min30.52.8057.94.565.47.2116.910.9872.410.047.44.025.23.39415.742.86
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2020 to 21La Nina Mod51.13.950.03.549.84.86122.410.551.64.245.14.94370.031.78guard plot seasonal Avg 432"@ 42.5"H2O
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2021 to 22La Nina Mod35.84.0616.93.0108.710.021.34.0720.51.8556.35.058.76.7534.63.86318.234.78352.838.642nd Lowest year recorded if OCT snow was excluded
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2022 to 23La Nina Weak26.43.571.58.5126.010.8139.011.177.66.5178.916.573.06.46692.463.43692.463.43biggest year at Collins biggest year at Guard plot also.
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2023 to 24El Nino Strong36.03.8260.66.67104.710.3111.412.287.48.3132.14.6529.53.39432.245.99461.749.38
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2024 to 25NSolar max7.70.6960.45.0256.77.0362.45.2474.09.00101.210.4133.12.80395.540.19395.540.19
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2025 to 26La Nina Weak9.801.0435.26.7752.46.4246.76.2837.43.9931.54.65213.029.15213.029.15413.241.8New all time low
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2026 to 27Super El Nino
91
92
93
94
Solar min???
95
96
97
98
99
100