SAINT HELENS RFD, OR

Average of Average Temperature (Degrees Fahrenheit)

(357466)

File last updated on March 28, 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
1976-----z-----z-----z-----z-----z-----z-----z64.43c62.57 54.23 47.83 40.23a53.86g
197735.90b45.84 45.11 53.02 53.66 63.32 65.13 71.34 60.67 53.81 44.15 42.73 52.89
197841.65 -----z49.92a51.62 55.45a65.58 68.67a67.20a61.17 56.34 40.73 36.15 54.04a
197931.55 41.00a50.03a51.72c59.19 63.22 69.08 67.32 -----z-----z44.83 44.32 52.23b
198034.93a42.79a45.58f51.96c54.56d58.18h68.75k64.41b62.91b55.46g46.83a42.50f51.20e
198144.09h43.24i48.69e52.48a56.22a60.48d64.50h71.96h64.02a52.50c47.76g41.89h55.73f
198238.19d42.57e45.53a47.81c57.23e66.56e64.89d66.34c62.57b54.52a42.88a41.50g53.55a
198342.48h46.35b50.38e52.15c59.12b61.30c64.98a67.80d59.95a52.64b47.35c35.79c54.35a
198440.91d44.78d50.06e48.89b55.73g60.48d68.19b68.02f62.75f51.98b45.25 37.08a49.74c
198536.62b39.94a46.03a53.60a57.57d64.36b72.27c68.10f60.16e52.11c36.64e34.30f51.93b
198643.35d45.27b53.46d50.42f58.38e66.42d65.30f71.80c-----z55.90e46.52b40.69d53.53c
198739.23e45.47j50.09c55.24i60.80a66.24c66.65d70.65e66.23b59.06d48.81c40.09d56.79b
198839.41d44.97j48.79e53.33g56.72f63.38f69.61c69.44f64.88e59.45i46.78e41.39d51.81f
198941.95c35.29d45.04e55.75f58.46h65.32h66.10f66.40g67.71f55.40b48.48f41.52g44.42h
199043.00e41.87b50.45 55.56e56.72d63.59b71.76d70.12e67.95h52.23g46.75b33.44d53.33b
199140.09b47.94d46.34c51.60e55.62c61.68h69.77e69.69d69.15f57.77i48.64e41.50b52.35c
199243.73g48.58j53.43d56.44d64.62f68.06f71.19e70.24f63.00k57.23g46.20j39.38e55.11h
199337.42e41.83d49.31e52.04d62.02c62.31d63.96d68.64c66.48c57.19b39.67c39.78d53.39
199443.90k38.33d50.60e54.67c61.50d63.31f71.93a69.57a67.26c52.41d41.07c41.56d54.89b
199543.34b47.00a48.38f52.20b61.40b65.29b71.32f67.70h68.44d54.85g49.54e41.56g55.32e
199640.41b39.44d48.56 53.52b56.41b64.63g73.59b71.98d62.16b53.39c45.23b41.83e53.32a
199741.00a45.31d46.76d51.58d62.43d62.83g69.12g72.32c65.23o54.29g48.33c40.11c50.98d
199843.21b46.48d49.85e53.75b55.48i64.80c70.48h71.98d68.77h55.35h46.89g40.17g55.01f
199942.23c43.10b45.89c53.24e53.63e60.66h68.23e71.80f68.50j56.35h46.52g41.48c49.69e
200038.29b43.02d44.38e54.42d55.96g64.75d68.28d69.79e65.48d53.77i43.30e38.94d53.07b
200140.79b42.27b47.23a50.54c61.24j61.15d66.46f69.02c64.50i54.35g46.82h41.85h51.83f
200240.61l44.67j47.43q50.17c56.79g63.35d69.75g68.79g64.68m55.39i45.48d41.36f53.00i
200344.58e43.66c48.07i50.27 56.50e66.35d72.00c70.10f65.02f58.57h44.57p40.71e53.44e
200437.83m45.32o50.19e55.72e57.45i65.12f72.04g70.24d60.17l55.52i41.97k41.27i58.72i
200538.85k42.65h49.80d51.71i61.16f61.00g70.00e70.86i61.22l55.53n43.50 38.52d50.45h
200644.66f40.80f46.22d54.19d-----z65.74k67.97a66.56 62.80b51.31g43.18h37.27e55.84f
200735.12k41.83h46.29l46.61k55.06d59.66b68.17a64.54c59.52c51.02d43.13c38.17h57.30e
200836.20a42.02b41.19d45.19d55.81g58.58e66.61i66.23 62.72 57.38w47.02f35.98e48.51d
200936.97 39.41a41.52e47.09b56.50b60.62d-----z-----z-----z-----z-----z-----z47.02f
2010-----z-----z-----z48.33a52.75a56.96e64.13e67.25e60.92 52.83a42.83 40.40 54.05c
201139.47 37.22c43.95 44.45a51.80c58.41b62.93b65.84f65.33f50.95c42.59b37.19e46.90b
201238.56d40.96e42.50d49.08d54.81e58.45i65.28h67.05i63.05k52.62g46.62b40.26d44.68e
201334.87e41.68f45.52e49.48e56.36f62.82m67.31m68.18l60.16k50.97p42.73d33.85d41.29g
201438.43i37.98h46.50l49.02j56.73p60.35q67.50s71.82n65.40 55.80u44.64h43.95j65.40k
201541.73g48.50k49.87p49.24g-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN39.41 42.55 47.64 51.51 57.06 62.77 68.41 68.66 63.31 53.90 44.74 39.26 53.14
S.D.3.16 3.18 3.15 2.94 3.01 2.85 3.01 2.52 2.60 2.25 3.09 2.70 0.35
SKEW-0.46 -0.32 -0.24 -0.59 0.28 -0.35 -0.17 -0.22 0.33 0.72 -0.60 -0.51 0.00
MAX44.58 47.94 53.46 56.44 62.43 66.56 73.59 72.32 68.44 59.06 49.54 44.32 53.39
MIN31.55 35.29 41.19 44.45 51.80 56.96 62.93 64.41 59.52 50.95 36.64 33.44 52.89
YRS27 25 31 31 24 23 23 23 20 17 27 26 2