CASTLE ROCK, CO

Average of Average Temperature (Degrees Fahrenheit)

(051401)

File last updated on April 19, 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
189331.92a28.23 35.64b42.58 53.73a65.57 69.60 66.82 61.02 47.47 34.18 34.03 47.57
189427.95b22.76a38.74 47.71a56.57b62.93 68.48 67.06 60.07 51.10 42.19q-----z50.34b
1895-----z-----z-----z-----z54.50a62.57 63.84 64.18 59.53 46.85 30.75 27.56 51.22d
189632.77 31.48 32.69 44.62b53.06 63.67a67.37 65.66 57.40 45.45 32.87 31.71 46.56
189721.74b25.88 35.66b41.42 60.68n65.78 69.27 65.90 64.90 49.57a38.67i28.48k48.90c
1898-----z-----z29.87l46.12 54.42 63.42 70.77 67.74 57.25 44.45 32.13 19.79 50.68c
189925.21 16.62 32.54c46.82 55.50 63.68 67.87 66.47 59.68 47.84 40.93 24.90 45.67
190029.74 27.98 39.60 39.50 56.24 64.35 66.58 65.90 58.87 50.76 38.90 33.00a47.62
190131.15 27.27 35.35a43.70 56.10 63.93a72.13 68.22a58.53 52.26 41.12 30.50a48.35
190227.42 34.38 35.27 47.92e57.56 65.38 67.45 68.56 59.63 49.50a39.63 31.19 48.66
190330.34 19.07 34.78a44.09a51.63 58.48 68.58 68.75a58.08 49.34 39.18 31.08 46.12
190426.39 37.34 40.29 45.38 52.71 58.81a65.35 67.19 60.38j-----z-----z-----z49.18d
1905-----z-----z-----z-----z-----z-----z-----z-----z61.72e43.17a39.19a25.81 42.47h
190630.14b32.39 27.02e46.75 55.42 61.32 65.60a68.48 59.05 44.72a34.74a32.97b46.55
190730.08e34.56a40.93a39.66b43.97 57.56d62.07h66.50 56.93 45.24f28.14a28.08a42.64b
190830.56 32.54a40.66 45.52 50.79 60.15 65.55 64.00 59.75 44.24 32.87 27.98 46.22
190934.97 29.48 -----z39.13 49.27 60.85 67.21 65.90 55.43a-----z40.95 16.16b45.94b
191029.52a26.37a45.07a-----z51.87 64.84a70.08 66.39 63.08 -----z41.23q31.66 49.88c
191136.68a28.16 41.68a45.80 57.17b66.00 65.52a65.76 63.60a49.61i-----z22.77a49.31b
191227.67a27.45a26.50a42.53 52.52a59.05a65.79 64.80d51.35 46.50b37.70b24.63 43.87
191326.60a20.96 35.82c45.52 55.52b-----z66.76 68.40a52.33c43.76 39.20 17.82 42.97a
191430.11 25.78a35.34 42.57 53.72a63.52a66.39 65.52a60.62 48.74 41.16a20.93b46.20
191523.25a31.16c30.93a47.92 49.28b57.42 64.87 61.44 57.68 49.60 38.62 30.00f46.56a
191623.37d33.81 42.77 42.96c51.00a62.19a69.11 63.65 57.75 46.79b34.88d23.47a45.98
191725.27 33.02b29.58a41.47a45.63 59.72 67.47a63.15 59.58 46.88b41.16a33.25g46.63a
191820.58a32.08b-----z-----z-----z69.50w-----z67.19r-----z-----z-----z-----z26.33j
1919-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1920-----z-----z-----z-----z-----z61.92 67.16 62.60 57.90 47.95 35.19a29.98 51.81e
192131.55 31.89 42.42a41.47a55.55a62.50 67.94 65.97 61.10 51.68a40.80 35.72a49.05
192224.66 29.69b34.35 41.84a53.34 65.87 68.35 69.37 60.83 47.16 34.73 34.52 47.06
192336.97 27.70c31.44 45.53 53.21 62.35 68.40 64.71 56.78 40.98 36.83 26.31 45.93
192423.56 34.62 25.94 42.77 46.29 62.62a73.97 72.11 66.52 49.32 39.53a20.36b46.47
192524.72a-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z24.72k
1926-----z-----z-----z44.42e51.50a57.07 59.15 63.45 58.48 49.92 39.13 28.21 50.15c
192734.56 34.36 34.68 45.22 54.85 61.47 66.74 63.08 55.96g49.44 42.85 22.68 46.36a
192831.60 29.64a37.72a42.16a54.03 58.62 66.06 64.90 58.55 47.53 35.27 26.42 46.04
192925.65 21.46 36.35 43.72 51.81 62.53 68.37 -----z-----z-----z-----z-----z44.27e
1930-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1931-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1932-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1933-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1934-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1935-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1936-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1937-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1938-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1939-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1940-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1941-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1942-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1943-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1944-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1945-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1946-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1947-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1948-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1949-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1950-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1951-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1952-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1953-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1954-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1955-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1956-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1957-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1958-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1959-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1960-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1961-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1962-----z-----z-----z54.31n55.02a60.80 67.44 67.60 59.78 52.31 40.97 33.68 54.70d
196319.44 35.36 35.97 47.95a58.16 64.53 71.76 66.48 63.17 55.29 40.35 27.31 48.81
196427.10 22.69 29.92 44.15 54.90 61.12 71.69 66.52 59.17 49.74 36.88 32.11 46.33
196534.24 27.95 26.76 46.90a52.81 61.00 69.00b64.69 54.91a51.44 42.48 32.63 47.07
196625.85a23.98 39.81 44.28 56.66 63.34a72.81 65.92 60.91a48.65 42.00 31.34 47.96
196732.26 33.25 42.90 47.79a51.29 61.12 68.92a64.84 59.57 51.38a38.69a25.20a48.10
196830.42 32.05 37.79 40.17 52.42a66.23 68.94 66.18 58.33a51.05a33.87 28.92 47.20
196933.82 33.32 29.02 49.70 56.87 59.23 71.48 71.16 61.43 39.44 35.04b30.08 47.55
197028.00 36.46 31.89 41.30 56.47 63.15 69.42a70.05 57.92 43.37 36.69a34.28b47.42
197139.41t29.12 35.60b44.12a50.13 64.85 66.55a67.34 55.45a47.13 37.32 31.47 48.10a
197229.41b32.97 41.71 46.53a52.84 63.45 67.08 65.50 58.22a49.31 27.96b24.13 46.59
197323.52 27.91 35.05 40.86a50.47 61.88 67.13a67.18 55.97 49.81 39.23 29.97 45.75
197422.82 29.34 40.94 43.70 56.87 62.85 68.47 65.10 54.32 50.32 35.00a25.55 46.27
197526.82a27.65a35.37 42.32b51.13 60.63 69.48 67.23 57.60 51.30a33.19a33.98 46.39
197628.27 37.16 35.63a47.05b54.32 62.92 70.56 67.39 -----z44.92 36.23 31.24 46.88a
197726.92 34.04 35.39 45.48a57.97b67.25b71.32 67.54c63.52g51.66b38.48a36.42l49.60b
197826.71b30.83d41.83j49.12m53.83a65.34a72.46h67.33e62.90a51.16b37.84b26.00a46.88c
197919.24 33.88 38.72a45.45a52.79 62.74a70.52a66.77c63.60 52.06 31.40d32.43b47.47
198029.07i32.66j35.88g43.52e53.98e68.19f71.75i68.74b64.22u41.96r38.14a38.07q51.10h
198133.31d34.17a36.73 53.16b52.38e66.93a70.60b66.60b62.45a48.56 40.36b32.40a49.81
198229.19d29.22a40.15a44.64a53.00c60.21b69.89 69.46c61.50e46.58f35.85f31.28d48.85b
198330.98i32.46c34.43b41.12j50.53b60.88a69.80a69.93b64.91b52.14b36.83g18.50j54.39d
198426.52c31.43g32.73e39.50e57.46c62.32 69.95c67.03a57.48d40.52h38.40e32.69j50.15c
198525.50h-----z-----z-----z-----z-----z-----z-----z-----z48.71n31.60a29.16c30.38j
198639.45b35.37a44.06e48.31a52.58a65.61c68.98 68.04e58.15d47.17b39.48f29.05 50.62a
198729.00g32.92h35.82c47.63 55.11 64.53 68.81 65.35a58.61b49.73 38.33a28.45 51.24b
198824.32a31.60 34.81 46.10 55.55b65.19c68.41b68.90a57.58 51.66 39.20 30.66 47.83
198933.11 23.25 42.42a46.45a56.05 61.35 70.29 67.22m57.23d47.47a39.33d26.89 45.80a
199034.00 29.82c36.59b45.97 53.74f68.50g66.44 65.87e62.34a48.80a40.37d25.59d45.58b
199127.87a36.86 40.19 44.02a56.92a65.48f68.11c-----z-----z-----z-----z-----z45.66f
1992-----z-----z39.50c49.44d56.24 60.14a65.92 64.52a60.30b52.02 31.52 28.15 50.77b
199328.37 28.05 39.27 44.13 54.13 61.75 68.32a65.40 57.07a45.19 31.54b31.81 46.25
199431.09b31.25 40.37a45.12 57.24 67.59a69.08 70.19 62.30 49.80a38.15 36.34 49.88
199531.89 37.30 37.97a40.74a48.92 60.21a66.55 71.27a58.88 47.58 44.03 33.25a48.22
199628.68a34.12a34.68a46.28 57.18 65.02 69.64b68.35 57.33 50.13a38.59a35.22d48.77
199728.80a31.30 40.47 38.70 54.03b63.72 69.52b66.31 62.33 50.83b33.53 27.84 47.28
199831.94 33.00a35.86b43.37 55.98 61.20c70.60b66.62b64.10 49.76 41.88 32.86c48.93
199932.24f38.78a42.59b41.48b51.42s61.46g70.42a67.43a56.17 50.03 46.43 32.20a49.50c
200033.19 38.57a38.93b48.38 56.95b64.79a70.45b70.16 60.12a48.92 30.57a29.27 49.19
200130.33b31.80c37.02a47.07 53.93a65.98 72.28a-----z62.02a50.35a41.10 31.58 47.59a
200230.16 31.25b35.45a49.07b53.45 67.73 72.16 68.10 60.95 44.07a36.28 31.63a48.36
200335.68i28.79 38.18a47.67 55.30d60.33 73.55a70.13a57.60a53.08 36.89b33.92 50.49a
200432.40b29.45 43.76 45.21a56.40b60.81a65.87a63.50a60.24a48.96c37.09a32.65 48.03
200535.21 33.18 37.00 43.14a54.27 63.09b72.74 66.31 63.03 50.13a42.20 29.31 49.13
200636.13 30.98a38.48 49.18 58.63 69.22 71.03b68.61 56.37 48.10 41.78 30.19b49.89
200723.60a32.61 42.28b43.83 55.56 65.45 72.27 70.94 62.43 52.61 41.78 27.90 49.27
200826.71 32.57a37.85 43.47 53.24 64.03 72.94 68.18 58.80 49.50 42.75 29.23 48.27
200932.35 37.84 41.03 43.85 55.71 61.73 67.68a66.90 59.59c42.03a41.77 24.23 47.89
201030.65 26.57 38.15 46.53 52.92 66.15 71.17a70.45a64.28 52.57a39.37 35.34 49.51
201130.06 27.64 42.87 48.10a50.36c65.66a72.52 72.35a60.57 49.97 39.98a28.35 49.04
201235.33b30.07 46.16 50.98b57.60 70.32b73.58a70.52d62.28c49.58a44.72 31.73 51.91
201331.23 30.43 37.67a44.88q61.25o68.24c70.52b70.32a64.75b47.11c39.75b29.79 48.98b
201430.57b31.76c40.33d47.07 54.71c-----z70.72d66.13e62.70 50.87 36.07a35.47m49.09b
201532.34i37.20f41.43a47.08 50.53 66.71d68.67a70.93a66.30 54.84 41.60d-----z56.46c
201633.06f36.14a39.70a44.36b52.11c68.78e72.20a68.84b64.16a57.34b44.88 30.52a52.64a
201729.69 39.61 45.70a45.52 52.60b66.58 72.95a68.15 60.91b48.29 43.23d35.02 50.69
201834.79 31.48b42.05 46.87 59.37d69.70 72.56 68.57a64.79a46.90a36.92 32.12b50.51
201931.62c30.87a35.90 45.80g49.62e64.25d73.32a73.95a69.28 47.15e43.07h38.93c51.49b
202039.16 34.39a47.24 51.50j64.88c71.90 74.65d77.73g66.18b54.52 48.83 35.95 53.77b
202137.47 33.21 42.97a48.67 59.29 72.77 77.27 76.21 72.18 57.45a50.62 45.47 56.13
202237.97 33.45 44.20a53.95 60.82 72.88 79.02 -----z65.12 50.74 36.32 30.60a51.37a
202327.81 32.98 35.52 44.77 56.37 61.98 70.82 69.95 63.07 50.48 41.63 35.65 49.25
202427.63 36.60 39.32 -----z-----z-----z-----z-----z-----z-----z-----z-----z34.52i
Period of Record Statistics
MEAN29.57 30.99 37.59 45.03 54.11 63.57 69.37 67.35 60.27 49.06 38.28 29.77 47.94
S.D.4.43 4.47 4.58 3.02 3.23 3.32 2.94 2.57 3.49 3.27 4.25 4.70 1.92
SKEW-0.04 -0.71 -0.42 0.23 -0.19 0.57 0.13 0.54 0.44 -0.27 -0.03 -0.23 1.45
MAX39.45 39.61 47.24 53.95 64.88 72.88 79.02 76.21 72.18 57.45 50.62 45.47 56.13
MIN19.24 16.63 25.94 38.70 43.97 57.07 59.15 61.44 51.35 39.44 27.96 16.16 43.87
YRS83 86 87 85 89 88 91 88 88 85 85 83 53