HALF MOON BAY, CA

Average of Minimum Temperature (Degrees Fahrenheit)

(043714)

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
1939-----z-----z-----z-----z-----z-----z49.86b52.19 52.90 47.61 42.27 45.61 48.41f
194047.03 47.38 46.55 47.40 48.81 51.00 53.19 53.61 54.10 48.29 46.00 46.70a49.17
194145.81 48.50 48.26 47.27 52.29 51.43 53.90 54.94m49.97 44.84 48.60 45.84 48.79a
194245.16 43.18 40.94 45.43 47.35 47.60 53.65 53.03 51.67 46.16 44.80 42.74 46.81
194341.55 45.18 46.52 46.03 44.97 48.10 50.94 52.48 52.87 48.06 47.00 42.94 47.22
194443.65 40.66 42.06 44.10 46.48 49.73 52.00 51.03 48.50 49.23a46.17 46.71 46.69
194540.84 42.11a40.90 41.10 48.65 48.27 53.42 50.23 49.43 49.55 45.90 46.03 46.37
194640.10 39.14 41.19 42.47 47.45 49.60 52.65 52.58 50.33 44.71 43.10 44.48 45.65
194737.39 44.57 46.77 46.00 48.37a50.53 53.84 54.48 51.07 50.03a41.62a41.35 47.17
194843.00 40.14 41.58 46.30 46.84 52.40 51.52 52.94 48.57 48.39 42.57 39.77 46.17
194934.52 39.82 45.65 44.13 48.55 50.43 51.45 54.13 49.62n44.79c-----z-----z45.94c
1950-----z42.32c42.48 42.24i44.97 49.73 51.29 52.81d51.33 47.39 48.20 48.03 47.86b
195142.61 43.00 38.81 44.77 47.48 49.53 50.71 52.32 53.80 47.39 47.47 43.16 46.75
195242.32 44.52 42.77 45.83 46.90 49.17 53.35 51.65 51.73 50.90 43.70 46.48 47.44
195346.71 43.15o-----z44.92f46.42 48.63 49.55 53.42 55.23 46.97 46.87 41.42 48.36c
195441.26 43.43 41.74 45.40 46.23 47.80 49.58 51.39 49.50 46.39 46.00 44.03 46.06
195538.90 39.86 40.52 41.37 44.71 48.37 49.03 48.32 47.83 46.10 42.10a46.83g44.28a
195646.17b40.29a43.03a46.23 48.46c50.57b53.47a50.61 51.63c48.84 44.97a41.60a47.16
195739.62b47.22a45.89c46.23 50.57c50.70 51.85e52.38b53.70c51.97a46.30 45.29 48.48
195844.33d48.14g44.93b47.47 51.07a55.10 55.19 54.97b51.70 49.03 44.33 45.19 49.39a
195944.80a42.82 44.39c46.36b48.45 50.20 52.29c54.50a52.59a50.50a46.00g43.90b48.25a
196042.97 44.21 47.48 46.27 48.10 52.32b51.94 51.23 51.10 47.81 47.60 45.84 48.07
196146.35 45.39 44.61 46.37 49.48 53.10 52.23 56.59b52.69a49.68 44.53 42.00 48.59
196242.97b44.23b43.29 45.20 46.97a47.97 49.70a52.42 51.18b49.03a45.47 44.42 46.90
196339.87a48.00 42.52 45.90 49.29 48.72e51.37a51.03 52.10i51.48 48.80 41.39 47.12a
196439.81 40.28 40.94 44.27 45.60a49.77 51.52b52.29g50.69a49.93a46.04b45.97 45.89a
196544.26 41.46 44.32 46.47 46.29 48.93a49.81 53.71 52.57 49.42 48.00 39.23 47.04
196641.35 40.07 42.45 43.03 41.52 47.13 48.58 51.10 49.90 47.39 46.13 42.13 45.07
196743.40a43.64 43.55 42.70 44.00 50.10 53.68 53.65 55.10 50.30a49.70 42.43a47.69
196845.27a49.59 46.10 43.70 48.26 50.70 52.74 53.67a50.23 48.74 47.10 43.32 48.28
196941.29 42.86 43.10a43.70 48.45 52.63 49.55 47.61 50.67 45.29 45.50 45.52 46.35
197047.81 42.29 42.97 40.13 45.39 46.77 47.13 46.65 46.33 46.61 47.47 42.42 45.16
197142.74 41.43 42.13 41.70 44.61 46.63 47.42 51.61 50.60 42.81 41.07a38.71 44.29
197238.48 43.34 43.40a41.60 44.19 47.90a50.26 52.32 52.43 52.52 47.27 40.77a46.21
197343.13 47.50 -----z45.33 48.00 50.73 51.06 51.42 52.23 49.26 45.93 44.81 48.13a
197442.03 41.29 46.42 43.93 46.74 49.67 53.10 54.23 53.17 49.94 46.20 42.74 47.45
197540.81 45.32 44.32 43.37 46.35 49.87 51.00a51.06 51.23 47.29 43.33 42.96e46.41
197640.94 42.70b41.17b42.13 47.03 48.57 51.94 55.00 52.63 48.90b47.43 42.00 46.70
197742.74 43.71 41.58 41.70 46.97 50.50 50.45 54.30a53.32e48.29 43.59a47.10 47.02
197847.16 46.21 49.19 45.67 46.10 50.63 51.52 51.48 49.63 47.48 41.60 39.17b47.15
197942.13 41.79 45.32 44.33 46.97 47.80 51.29 53.42 51.97a51.52 46.23 45.71 47.37
198044.23 47.90 44.16 44.90 48.23 50.63 53.74 53.45 51.60 47.35 44.89c46.10 48.10
198146.52 45.89 45.90 44.77 47.87 49.53 50.97 51.61 50.80 47.23 49.60 46.29 48.08
198240.77a44.32 43.97a43.38a48.16 52.28a52.68 52.71 50.77 48.57a47.67c45.32 47.55
198345.17b47.62b47.57a46.57 48.90b52.08d53.76b56.33a55.41c52.19 46.63c46.92g50.20a
198444.37a43.15b44.71c43.03 46.39c48.70 52.93a53.67a50.93a47.21c46.03a42.13 46.94
198541.83b41.93a42.71 45.79a48.46c51.17a52.59b52.84 52.53 48.94 -----z44.17b47.54a
198647.65 47.81a47.74 44.70 45.83a52.33c52.70a53.60a52.03 49.41b45.50 43.17a48.54
198741.32c44.50b43.97 47.15d51.21c51.13o-----z54.26d51.34a50.69b47.67 43.71c47.58b
198844.19 44.41 42.21b44.83 46.94m50.43 52.75s-----z47.30 49.59b45.66a40.68c45.48c
198939.41b37.96 45.87 47.00 47.84 49.62a50.38e52.28b52.14b48.41d48.62a45.58 47.09
199043.66b39.81b44.58 46.43 48.19 48.78c52.45b54.97b53.07a45.47a41.63 35.61 46.22
199138.32 41.54 39.42 40.24a42.48 45.27 50.33a53.90 52.07 48.27a44.87 42.21c44.91
199242.32 47.48 48.70a47.63 50.13 52.67 55.29 50.40a50.27 51.52 44.75b41.96c48.59
199341.28b44.15a47.87 41.83 45.73a46.31d48.52f52.65h44.42d47.19d43.00i41.68f44.85d
199441.89l42.09f43.70h45.00i49.45i49.11b52.13 52.32 54.00 48.35 41.90 41.23 48.43e
199548.00 47.46 46.00 46.97 50.23 50.07 54.74 52.48 52.73 49.84 46.50 46.58 49.30
199645.45 47.17 45.90 45.97 47.87 48.57 51.74 52.23 50.07 47.74 47.73 48.16 48.22
199745.26 43.43 42.45 45.57 51.10 51.37 53.65 56.81 55.40 50.23 50.43 45.45 49.26
199847.23 45.67a45.94 45.97 49.87 53.00 52.39 52.90 53.27 46.68 45.37 40.33a48.22
199943.29 41.57 41.97 43.63 45.16 48.80 51.23 53.65 51.70 48.29 47.23 41.81 46.53
200044.81 46.41 44.10 46.63 49.29 51.87 53.03 52.35 52.10 49.29 43.40 46.26 48.30
200141.16 42.93 45.90 43.87 45.88w47.81n52.74 52.58 51.00 49.74 -----z-----z47.49d
2002-----z-----z-----z-----z-----z-----z50.86c52.58e46.50h43.67j38.53m41.18n51.72j
200348.05j40.93m-----z-----z-----z-----z-----z-----z51.28e46.79b43.56c44.97a46.65h
200442.87 40.52 43.72b44.61b48.42 49.83 55.06 55.29c46.47 46.90 43.93 42.06 46.64
200541.74 44.86 46.16 42.63 50.65 49.63 52.35 51.80a50.43 45.20a45.03a45.23 47.14
200641.30a39.41a39.47a46.23 48.03 51.77 51.90a53.07a47.50 46.35 43.90 40.13 45.75
200734.97b42.71 39.77 42.03a46.71 48.40 53.42 53.35 49.57 45.58 42.62a38.81 44.83
200840.65 40.14a38.97 39.60 44.58 46.23 51.58 52.80a47.97 44.97 46.40 39.81 44.47
200944.03 42.57 42.26 43.57 47.29 51.70c52.73a53.10a50.83 48.23a41.60 41.19 46.59
201045.81 45.04 41.42 42.83 45.03 50.40 52.65 52.35 49.73 48.13 42.97a45.52 46.82
201143.47a38.93a44.52 44.03 46.90 49.93 52.29 53.10 51.10a50.10 42.57 36.81 46.14
201241.13 40.48 41.90a45.50 46.00 47.55a52.58 51.42 49.77 49.37a48.37 43.55 46.47
201342.81 38.56a43.32 43.93b48.35 50.10 53.90 55.90 52.37 45.76b43.80 39.39 46.52
201441.48 44.32 45.77 45.83 48.48b49.86a55.81 57.43a57.27 50.90a47.73 48.70a49.47
201545.29 47.07 45.16 44.20 50.81 53.03a56.68 58.03 50.87 51.45 41.23 41.93a48.81
201647.10a44.32a46.90 48.03 50.94 50.38a51.39 55.06 50.46b49.35 46.76a40.26 48.41
201743.19 46.22a44.23a45.70 47.97 52.30 51.90 56.29 54.27 45.55 46.30 41.65 47.96
201845.58 37.71 43.16 45.30 49.94 49.63 54.06 54.32 51.20 48.55 42.70 43.58 47.15
201945.52 41.68 44.61 48.50 50.55 52.20 54.24b56.32 52.93a43.19 42.13 46.19 48.17
202042.97 40.38 44.03 47.53 48.71 50.97 53.35 54.90 54.30 47.97 40.80 40.55 47.21
202142.03a41.07 40.63a45.80 46.13 52.13 54.10 54.81 52.47 47.26 47.37 44.23 47.34
202241.93a37.93 41.39 42.93a46.00 49.77 53.90a55.19 53.50 49.74 39.83a43.10 46.27
202344.27a37.68 41.84 43.97 50.16 52.00 52.93a55.29 54.07 49.10 46.40 46.03a47.81
202445.19 45.03 46.19e-----z-----z-----z-----z-----z-----z-----z-----z-----z45.47i
Period of Record Statistics
MEAN42.97 43.24 43.84 44.70 47.59 50.00 52.17 53.12 51.46 48.26 45.30 43.30 47.12
S.D.2.76 2.93 2.41 1.99 2.09 1.85 1.78 2.01 2.19 2.04 2.39 2.70 1.18
SKEW-0.50 0.05 0.03 -0.48 -0.22 -0.05 -0.31 -0.31 -0.40 -0.27 -0.22 -0.34 -0.21
MAX48.00 49.59 49.19 48.50 52.29 55.10 56.68 58.03 57.27 52.52 50.43 48.70 49.47
MIN34.52 37.68 38.81 39.60 41.52 45.27 47.13 46.65 44.42 42.81 39.83 35.61 44.29
YRS81 80 80 79 79 80 81 80 82 84 79 79 65