HALF MOON BAY, CA

Average of Average 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-----z57.26b58.77 61.83 57.97 53.38 53.50 57.12f
194052.23 53.16 54.00 55.50 55.82 57.80 59.52 59.58 61.97 57.23 54.90 54.17a56.32
194152.69 54.23 56.23 53.98 59.07c59.00 59.56 61.08m59.47 55.02 56.82 51.97 56.19a
194251.71 50.80 50.89 53.22 55.12b56.41a59.85 58.66 58.35 55.03 52.73 50.31 54.42
194349.89 52.98 53.23 53.58 54.53a55.80 57.90 57.76b60.13 56.65 56.13 51.56 55.01
194451.00 48.48 51.31 51.28 53.84 56.25 57.13 57.23a56.08 56.92a53.02 53.11 53.80
194548.76b50.24a48.97 51.00 54.62a57.07 59.08 55.90a57.98a56.87 53.14a52.00 53.80
194648.81 47.62 49.26 51.36a53.65 56.65 58.26 57.06 58.58 55.10 51.53 51.06 53.25
194746.45 51.83a53.42 54.40a55.42a57.64a59.60 61.06 59.11b58.00a50.86a49.05a54.74
194852.21 48.09 49.03 52.45 54.11 58.27 57.56 58.58 56.57 57.71 52.60 46.32 53.63
194942.95 46.55 51.87 51.52 54.95 56.64b56.18 58.66 57.38n52.84c-----z-----z52.46c
1950-----z49.72c50.40 51.33i52.13 55.33 56.50 57.61d58.20 57.10 59.30 54.00 55.03b
195149.37 50.43 49.60 50.62 54.19b54.30 55.40 56.31b59.28 56.10 53.76a49.32 53.22
195247.37 50.59 49.58 51.40 53.18 54.42 58.34 58.90 60.63 57.23 53.27 51.32 53.85
195353.79 53.46o-----z51.35f54.63 56.28 55.74 58.84 61.25 56.39 52.60 49.61 55.46c
195447.32 52.77 48.32 52.27 53.95 55.83 56.82 56.92 57.77 56.53 54.70 50.60 53.65
195546.77 48.64 50.65 49.02a52.55a55.22 55.21 54.98 54.90 55.06 51.45a51.54g52.22a
195650.88b48.20a51.07a52.48 55.32c57.45b58.17a56.31 59.39c57.06 56.36a51.40a54.51
195747.57b52.81a52.54c54.52 56.89c58.35 58.65e58.64b60.65c59.48a54.45 53.05 55.63
195852.50d54.29g51.84b54.95 57.78a61.72 59.89 60.17b62.02 56.90 54.10 54.89 56.98a
195952.42a51.18 54.39c55.20b55.95 57.70 59.45c60.83a59.90a59.65a55.85g53.31b56.36a
196049.71 51.69 53.73 53.95 55.34 58.55b57.89 57.32 57.70 56.69 54.48 53.39 55.04
196154.03 52.45 51.84 53.82 55.55 59.18 59.19 61.88b60.34a58.29 52.38a49.15a55.68
196250.98b49.96c49.87 53.16a53.58a54.78 55.43a58.33a57.29b57.15a54.13 50.98a53.80
196348.02b54.54 50.02 52.17a54.50 55.20e58.18a57.58 59.64i59.47 55.40 51.69 54.25a
196449.39 52.36 50.26 51.00 51.78a56.00 57.84b59.17g58.50a58.13a52.84b51.39 53.59a
196551.39 49.32 51.56 53.43 53.73 54.78a55.97a60.35 58.62 60.42 56.05 48.05 54.47
196650.32 48.98 50.35 53.90a51.56 55.52 55.70a57.77a59.80b59.05b55.20 50.77 54.08
196751.92a53.18 50.87a49.37 53.19 55.13 58.64b58.52a61.60a60.33a57.47 50.12c55.03
196852.03a54.43b53.89 52.91a54.45 56.13 57.74 59.88e59.22 56.13 53.25 49.58 54.97
196947.47 47.50 51.12b50.10 53.33a55.76a54.84 54.56 57.37 55.74 56.87 54.00 53.22
197054.10 53.14 52.77a51.40 54.74b54.42 55.40 55.13 58.33 56.27 56.17 49.68 54.30
197151.08 50.79 51.00 50.33 51.68 54.02 53.65 58.31 58.87 52.79 52.41a46.71 52.64
197247.38a51.52 52.71b51.77 52.50 55.09a57.71 60.16 60.30 60.05 54.38 48.22a54.31
197349.48 53.86 -----z53.72 54.31 57.30 57.50 57.29 59.07 57.26 52.58 51.39 54.89a
197448.87 50.02 52.34 52.45 52.89 56.25 58.84 59.68 59.35 58.32 54.22 50.06 54.44
197549.95c50.61 50.43a49.09a53.02a54.58 56.35a56.95 56.90 54.63 51.93 50.50e52.91
197650.90 50.33b49.52b50.25 54.42 56.63 58.02 61.68 60.12 58.45b56.53 52.65 54.96
197751.26 52.98 50.03 50.70 53.62a56.18 57.44 60.92a59.60e56.13 52.61b53.89 54.61
197854.24 53.18 56.68 54.09a55.44 57.18 57.90 58.98a59.89b56.06 50.90 47.80c55.20
197949.34 49.74a52.68 52.27 54.60a55.38a58.34 59.31 61.60a59.73 54.17 53.65 55.07
198051.79 55.29 52.40 53.05 54.29 57.08 59.52 58.47 58.35 55.98a54.08d54.48 55.40
198153.37 53.86 53.13 52.93 54.32 57.66a57.08 58.76 58.40 55.39 56.98 52.95a55.40
198248.86b52.21 51.87a52.71a54.45 58.48a58.48a58.94 59.23 58.17a54.67c52.32 55.03
198352.90b53.83b54.05a53.97 55.38c57.94d59.93b62.97a64.13d61.21 54.43c52.57h57.34a
198452.30a51.50c52.91c51.82 54.14c55.32 59.95a59.93a61.09a55.59c53.03a49.84 54.78
198549.76b51.29b49.61 53.11b55.04c57.76a58.71b59.73 59.35 56.70a-----z51.47b54.77a
198654.56 54.81a55.32 52.20 52.98a58.98c59.37a59.72a58.85 57.17b54.80 51.57a55.86
198749.61c53.50c52.16 53.92d56.29c56.57o-----z60.30d58.81a58.59b55.40 50.11c54.87b
198850.94 52.83 50.76b53.40a53.25m56.52 58.25s-----z56.97 56.52c53.31a50.29c53.50c
198947.67d46.11a52.18 55.02b54.68 57.40a57.63e58.93b58.91b56.98f57.74a53.74 54.55a
199051.55b48.30c51.27 54.25 54.15 55.92f58.79b60.86c59.90a54.73a52.07 45.53 53.76a
199148.23 50.45 47.68 49.62b49.68 52.60 56.27a58.95a57.85 56.48a53.50 51.37d52.72
199251.50a55.41 55.78a56.59a57.94 59.05 61.40 57.52a58.55b59.31 54.20b50.02c56.44
199349.28b51.65a54.19 51.10 54.90a55.33d56.18f60.17h54.10d57.71e54.38i50.80h53.53d
199451.66l50.24g52.84i53.21i54.68i55.34b57.20a58.37a60.06e56.69b49.89b48.39c55.13e
199553.33b54.76a53.62a53.12a54.84 55.66a60.68 59.05 59.45b58.43c54.61c52.90 55.87
199652.55a53.95a53.59c54.12b54.79c54.62 57.50a57.86b57.24a56.00c54.26a54.05a55.04
199752.02b51.43a51.28b52.95a57.90b57.38b59.43b62.63a62.97 59.00c57.84b53.12a56.49
199853.26 51.94b53.19b52.55 55.56 58.04d57.52 58.36b58.95b55.45a52.30 49.17d54.69
199951.00a48.91 48.89 51.24a51.05 54.48a56.90b59.27 58.63d56.73c54.26a51.22a53.55
200051.50a52.68a51.68 53.93a55.23 57.93 58.18 58.80a60.63 56.78a52.18 54.21 55.31
200150.26 51.16 52.70a50.45 56.00w56.34n58.17a58.70a57.88 58.15a-----z-----z54.68d
2002-----z-----z-----z-----z-----z-----z57.96c59.16f56.41h54.38j53.12m52.12o57.96k
200356.71j51.71n-----z-----z-----z-----z-----z-----z60.52e56.91b53.19c52.32a55.73h
200450.76 49.84a54.29b53.98b56.44 57.10 61.08 61.93c57.47 56.26 53.72 51.82a55.39
200550.66 53.64 54.72a52.93 57.63 57.08 59.35 58.28a57.32 54.15a55.59a53.20a55.38
200650.88a50.89a48.86b54.10a55.48 58.68 59.05a59.75a56.22 56.84 53.10 50.71 54.55
200746.24b51.12 50.35 51.16a54.52a56.08 60.08 60.05 58.47 55.29 53.03a47.69 53.67
200848.31 49.11a49.33a49.87 53.17a54.73 58.68 59.42a57.07 56.11 55.68 48.69 53.35
200953.74 51.02 50.74 51.66a54.00 58.93c59.02a60.48a58.70 56.83a52.17 49.21 54.71
201052.69 52.62 51.77 52.22 53.21 57.17 58.63 58.69 57.90 56.26 52.29a51.87 54.61
201152.07a49.28a52.10 52.83 54.79 56.63 58.47 58.34 58.14a59.00 51.65 48.10 54.28
201251.08 49.88 50.38a53.58 53.79 55.91a58.44 57.94 56.02 57.90a56.58 50.79 54.36
201350.77 48.15a50.77 52.59b55.90a57.60 59.63 61.79 60.23 55.33b52.55 50.02 54.61
201452.77 51.38 54.65 53.95a57.22b57.14a62.31 63.23a63.18 60.40a56.47 55.37a57.34
201555.00 55.96 54.68 53.21a56.66 59.21a63.58 64.83a59.92 59.50 51.40 49.63a56.97
201653.18a54.59a54.44 55.98b57.23 57.57a57.35 59.60 58.36b58.02 55.17a49.45 55.91
201750.10 52.65a53.37a54.32 54.66 58.27 57.87 60.62a62.78 57.13 55.05 52.27 55.76
201853.32 49.89 51.77 53.05 55.61 56.40 59.61 59.29 57.17 57.40 53.23 51.85 54.88
201953.13 48.67a52.23 54.93 55.74 59.42 59.12b61.50 60.96b56.06 51.05 52.63 55.45
202050.23 50.53 51.79 54.10 56.37 58.15 59.18 60.74 60.78 57.78a51.05 50.44 55.10
202151.05a49.86 49.37a51.88 52.65 58.05 58.67a60.29 58.40a56.39 56.97 50.44 54.50
202251.38a50.07 49.61 51.34a52.81 56.38 57.85a60.18 59.88 56.27 49.53a49.77 53.76
202351.42a46.77 48.48 50.33 54.66 56.32 56.73a60.16 59.85 58.11 55.67a53.48a54.33
202452.18 52.22 53.02e-----z-----z-----z-----z-----z-----z-----z-----z-----z52.47i
Period of Record Statistics
MEAN50.79 51.29 51.79 52.64 54.58 56.72 58.20 59.15 59.12 57.12 53.97 51.15 54.70
S.D.2.23 2.25 1.99 1.66 1.67 1.58 1.66 1.85 1.82 1.66 1.98 2.10 1.00
SKEW-0.67 -0.11 0.23 -0.16 0.01 0.19 0.13 0.19 0.13 0.08 0.23 -0.27 0.20
MAX55.00 55.96 56.68 56.59 59.07 61.72 63.58 64.83 64.13 61.21 59.30 55.37 57.34
MIN42.95 46.11 47.68 49.02 49.68 52.60 53.65 54.56 54.10 52.79 49.53 45.53 52.64
YRS81 80 80 79 79 79 81 79 82 83 79 79 63