BOULDER, CO

Average of Maximum Temperature (Degrees Fahrenheit)

(050848)

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
1893-----z-----z-----z-----z-----z-----z-----z-----z-----z64.00 51.28a49.31b54.86i
189443.52h37.00g54.37a65.11b-----z-----z81.64c80.29 -----z-----z-----z41.61 64.60g
189538.68c37.64c46.86b66.77 70.31b75.17 78.60u-----z-----z-----z-----z-----z55.90f
1896-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1897-----z-----z-----z-----z70.13a74.03 81.60a78.29 77.07b63.55b53.92d41.75c67.54d
189839.87 48.85a46.90b59.83 61.67a77.10 81.94 84.23 74.66a60.97a47.93a39.23 60.26
189941.39 28.43 46.55 62.40 70.65 78.93 81.00 83.03 78.33 61.42 58.57 47.10 61.48
190048.97 43.07a56.06 56.27 71.52 81.87 82.52 84.74 73.13 69.42 57.97 50.48 64.67
190149.06 40.75 51.74 58.33 70.77 78.17 87.77 83.32 75.37 67.27a60.79a46.47a64.15
190243.16 49.86 49.84 61.13 70.77 79.87 81.87 84.19 74.83 65.87a53.80 48.97b63.68
190347.89d33.11 47.79b59.72a66.40a71.40 82.74 82.61 73.53 67.17a56.13 51.71 61.68
190443.74 54.61a57.03b61.40 66.81 72.03 79.68 83.03 76.53 67.19 61.07 48.06 64.27
190539.22d37.75 54.74 56.43 63.83a77.23 79.19 84.94 79.13 59.94 54.40 46.62b61.12
190650.42 50.00 39.06 62.07 69.35 75.03 77.26 80.77a73.40 64.61 48.83 51.90 61.89
190746.13 54.75 60.29 58.87 60.61 75.30 82.55 82.13 75.60 66.06 52.44c46.38g64.98a
190848.23 50.28 57.45 66.89c67.77 76.47 81.73a78.71 78.80 59.61 49.40 45.06 63.37
190949.21b44.39 42.00 51.40 66.61 76.89b83.42 84.23 74.20 63.16 52.87 29.77 59.85
191043.10b42.71 65.23 66.53 67.06 80.13 -----z-----z77.93a70.39 58.97 48.14b62.02b
191154.97b42.93 59.58 62.77 71.71 82.63 80.65 84.57a78.93 60.84 50.83 -----z66.40a
1912-----z-----z43.87h59.20 71.63d74.54b80.58 82.55 68.63c63.79b57.28a45.03b67.03c
191346.96d35.89 49.10 62.57 69.52b78.27 83.55b84.14b73.45a61.16 58.57 39.32 61.87
191450.54c45.78a57.88f61.96f70.11c82.33c84.36c83.23a81.07a67.55 62.72a35.83a66.35b
191543.00 47.96 42.77 63.13 67.37a75.90 81.42 77.13a74.79a69.42 56.23 46.10b62.10
191639.93a50.79 62.29 63.83a72.48 81.29b87.03 78.65 75.97a62.35 51.36b36.13 63.51
191740.13 44.43 44.13a57.03 60.61 82.53 90.43a83.65 77.67 66.10 60.03 51.90 63.22
191837.19 51.07 61.06 55.50 74.13 83.70 86.65 86.55 72.76a66.50a49.57 43.23 63.99
191947.65 44.33a52.97a63.59a72.53a84.93a87.77 86.87 78.93a64.31e52.40j52.53l68.39b
192051.83b46.66 52.53a51.17 68.57a76.93b85.48 81.61 76.63 66.72b48.93 45.23a62.69
192146.00 50.14 59.65 58.79a70.13 78.83 86.39 84.10 80.62a72.65 59.17a49.16 66.30
192239.97 43.50 54.81 58.37 70.94 85.17 86.27a86.84 81.54b67.67a49.30 49.48 64.49
192349.39 41.64 45.84 59.73 67.61 76.33 82.77 79.39 72.86a53.23 53.67 44.90 60.61
192442.10a52.21 38.33a61.76a66.19 83.20 84.33a86.23 70.41a66.68 58.70 38.10 62.35
192542.87a55.29 59.84 64.90 70.84 79.30 86.33a80.53a76.93 51.23a52.19c44.45b63.72
192641.55b50.77b47.53a56.53 68.81 77.76a83.39 85.16 74.90 72.23 56.00 45.40a63.34
192751.03 51.93 51.32 63.60 75.35 77.53 84.68 79.06 76.17 70.52 59.48a40.83a65.13
192849.52 45.69 52.65 60.83 69.90 74.43 84.10 84.19 80.37 65.33a54.07a44.23 63.78
192939.26 36.46 52.00 59.67 69.33a83.33 88.39 86.42 72.53 66.74 45.97 51.65 62.65
193029.35 54.68 50.84 69.70 68.39 84.63 87.19 82.42 78.40 63.94 54.93a45.73a64.18
193148.10 51.30a49.97 61.33 69.29 85.30 90.53a86.23 82.87 68.13 51.80 46.90 65.98
193240.06 53.21 46.00 66.20 73.71 79.43 88.03 86.45 79.90 65.29 57.67 35.61 64.30
193347.77 42.61 56.65 60.23 67.29 86.10 89.61 82.23 80.63 73.39 61.23 57.60a67.11
193452.19 49.19a60.55 65.27 79.20a85.43 91.07a87.19 78.04b73.87 57.07 49.35 69.03
193553.23 52.96 57.26 59.13 59.87 79.53 87.71 84.97 77.73 65.97 48.80 47.23 64.53
193644.45 42.55 56.00 63.53 73.58 82.13 88.32 85.00 77.90 61.16 -----z46.97 65.60a
193729.32 45.79 48.97 61.57 71.16 76.33 85.35 88.06 79.03 65.97 52.40 44.19 62.35
193846.60a47.07 53.42 61.63 64.06 78.70 85.06 85.87 76.57 66.55 46.83 44.73a63.09
193945.29 36.78a54.00b60.97 73.81 80.70 87.94 81.55 76.30 63.65 53.21a50.03 63.68
194034.10 45.89b54.16 58.14a70.13 82.37 84.23 81.68 72.17 65.00 47.48c43.61c61.58
194143.06 45.70a45.11c51.55a68.42 73.50 81.84 78.70a72.11c58.35 54.63 45.55 59.88
194242.67a34.74a49.14b62.77 68.65 77.31a85.68 82.42 73.79b61.97b55.57b48.66b61.95
194347.83b53.67a50.00a67.45a64.52 77.80 87.61 86.13 76.41a66.48 55.13 44.73a64.81
194443.17a43.21a45.03a52.77 68.87a76.53 82.13 83.71 74.40 66.37a53.14a44.93a61.19
194544.06 44.80c54.50a54.70c70.03b72.27 83.90 82.90 73.46b68.90b56.11b42.96c62.38
194645.41b50.81b58.73a69.96b65.19e82.03 84.90a83.44d76.82b61.68c49.30c50.00 64.86
194744.17a44.40c50.29c58.00a68.65e76.43b89.96g90.31b85.89c71.66b50.41h50.00d63.98b
194846.00g44.75e48.43c68.26c73.72b81.93a89.83a88.77 83.33 69.23 51.47 44.48 67.66a
194934.13 46.79 54.90 66.50 73.13a80.57 88.48 88.13 80.83 65.68 66.77 50.06 66.33
195046.13 54.50 54.10 64.20 68.48 84.07 84.71 85.55 74.27 77.35 57.24a52.39 66.92
195142.48 49.32 50.77a59.37 72.65 75.53 89.19 85.16 78.03 64.71 53.70 43.57a63.71
195247.87 50.21 47.81 63.50 71.26 89.60 89.71 87.37a83.07 72.10 48.83 47.55 66.57
195355.23 48.25 59.71 57.40 67.81 85.77 89.16 87.42 84.90 70.68 58.97a47.06 67.70
195453.35 61.18 49.43a71.17 72.00 87.23 92.77 88.55 81.07 67.82c59.60 52.84 69.75
195542.35 42.29 51.55 67.23 74.03a79.03a91.19 87.45 80.33 71.68 51.77 49.48 65.70
195648.26 41.86 56.13 62.20 75.52 89.93 87.55 84.97 84.47 72.90 54.13 51.45 67.45
195738.97 54.86 53.71 55.53 66.26 81.60 88.61 88.00 78.27 65.03 50.60 56.03 64.79
195848.71 51.79 43.29 57.27 76.94 84.37 85.29 88.26 80.57 70.77 56.77 48.90 66.08
195945.19 42.29 53.26 59.97 69.45 85.30 86.87 87.03 74.83 63.74 55.83 51.48 64.60
196043.03 38.45 52.42 65.77 72.77 85.33 87.74 88.35 80.57 67.65 57.57 47.42 65.59
196150.03 52.11 50.97 61.80 71.61 80.60 86.32 85.55 70.57 66.16 49.73 41.55 63.92
196239.10 46.21 49.61 66.63 74.35 79.90 86.26 88.19 77.80 71.39 59.03 50.90 65.78
196336.87 52.86 53.81 65.47 77.03 84.00a91.03 82.65 81.47 72.74 58.13 46.55 66.88
196447.55 43.69 49.23 62.57 73.94 79.17 91.26 85.32 79.20 70.39 53.60 47.37a65.27
196549.94 45.86 43.39 64.52a72.06 78.17 86.23 83.74 68.80 72.52 58.60 50.65 64.54
196644.81 43.79 60.58 62.57 78.38b81.37 91.30a85.19 78.23 68.97 56.37 46.32 66.49
196749.42 51.50 60.81 65.87 67.74 73.87 85.42 83.65 77.93 70.26 54.63 39.90 65.08
196846.71 48.24 57.71 58.87 68.97 84.87 85.97 83.39 78.57 70.10 49.77 44.94 64.84
196949.42 48.93 47.45 67.57 74.32 73.73 89.06 88.71 80.45a52.87 54.40 47.58 64.54
197045.74 55.32 48.45 58.30 74.67a78.62a86.30a86.60a73.93 58.90 52.00 46.58 63.78
197145.94 44.57 53.55 61.07a67.13 84.07 86.13 86.32 73.13 63.74 53.70 44.77 63.68
197246.26 52.83 61.03 62.67 70.19 82.43 85.19 83.06 75.97 65.19 44.97 40.45 64.19
197341.19 46.96 50.35 55.90 69.32 82.83 84.29 88.10 73.30 69.94 51.27 46.94 63.37
197441.77 51.00 59.45 61.20 77.00 83.47 88.39 83.39 75.17 67.32 51.87 43.81 65.32
197545.48 46.07 51.87 58.07 67.84 78.70 87.13 86.32 75.00 70.61 51.53 49.84 64.04
197646.10 53.66 52.06 62.07 69.68 82.10 88.48 84.42 73.97 64.32 52.03 50.06 64.91
197742.26 51.36 53.74 63.10 74.48 86.73 88.16 82.13 81.76a69.13 53.70 49.84 66.37
197838.61 39.89 56.61 62.77 71.55b82.45a89.43a85.35 81.24a69.55 52.37 -----z66.35a
197935.68 50.50 54.29 63.87 -----z-----z88.87a81.13a-----z70.90a47.52a52.32 60.56c
198040.84 49.24 51.55 61.47 68.81 89.53 90.90 87.10 81.40 67.06 56.53 57.16 66.80
198152.16 53.79 55.06 71.23 66.97 84.93 87.58 82.55 79.00 62.74 57.27 48.16 66.79
198247.32 49.57 57.61 65.60 69.32 76.20 86.23a86.29 73.00a63.77 -----z46.57a65.59a
1983-----z57.41k49.90 56.50b67.54e78.19d87.62b90.16 83.43b70.54c54.31d32.89d67.11b
198443.20a49.55 52.00c56.13 76.23a80.27 89.10 85.58 77.03a57.29 55.10 48.13 64.13
198540.16 43.29 55.65 65.47 74.41b83.17g85.97b89.42e73.76e67.89d44.32e43.90 62.20a
198657.06 49.46 62.19 64.10 71.16 83.70 86.29 84.90 72.63 63.58 53.93a44.97 66.17
198745.61 48.14 52.87a68.00 71.74 83.70 88.65 82.87 77.13 67.94 52.97 41.74 65.11
198840.94 49.48 54.16 66.53 73.45 85.70 88.39 86.90 77.30 69.77 54.20 45.35 66.02
198949.55 35.29 60.10 65.03 74.00 78.63 89.48 -----z-----z-----z-----z-----z64.58e
1990-----z-----z-----z60.57 68.90 86.43 81.65 82.81 77.87 68.67a57.77 40.39 69.45c
199142.32 53.21 55.10 59.93 71.65 79.90 83.97 82.35 75.67 66.60a47.80 46.94 63.79
199248.23 52.17 54.80a68.10 73.03 76.43 82.97 79.97 79.43 68.35 45.69a41.30a64.21
199339.03 40.93 54.90a60.20 70.45 79.30 84.32 -----z73.57 61.58 48.10 47.03 59.95a
199448.76b45.85a57.52 61.50 77.03 86.83 86.29 85.00 79.67 62.97 47.57 48.35 65.61
199546.94 52.11a55.23 57.20 62.35 76.07 86.00 89.81 73.67 66.61 57.77 48.32 64.34
199643.03a51.00 51.07a64.13 73.35 82.03 85.35 85.19 75.40 66.68 53.70 49.10 65.00
199743.61 43.21 60.74 55.53 71.47a80.27 86.00 81.45 76.80 66.45 49.57 44.32 63.29
199848.65 47.96 52.10 59.13 74.16 77.57 86.58 84.94 82.30 62.77 55.17 44.10 64.62
199948.48 55.39 60.29 57.20 69.90 80.10 87.97 82.77 73.13 67.77 64.24a49.03 66.36
200048.11c54.07 56.23a67.75b76.20a83.52a89.93a88.23 78.79a62.60a43.37 43.52 66.03
200144.19 43.71 52.45 63.86a72.19 84.71b89.90 86.13 80.53 68.81 57.20 47.10 65.90
200245.13 50.61 53.10a68.43 71.16 87.10 93.42 87.84 77.60 58.19 52.57 48.29 66.12
200353.87 43.14 56.39 63.97 71.61 76.23 92.39 87.32 75.63 73.48 49.77 48.29 66.01
200447.32 46.36a62.77a61.37 74.23 76.20 83.55 80.97 77.87 64.97 50.57 48.29 64.54
200547.19 49.68 53.90 61.73 70.65 79.90 91.61 84.23 81.60 66.94 58.40 45.97a65.98
200653.26 46.39 52.32 69.67 76.00 88.77 88.81 85.26 72.87 63.48 56.43 46.29 66.63
200739.65 47.43 60.97 60.57 72.65 84.57 90.32 88.81 79.57 69.71 58.73 42.00 66.25
200843.42 49.52 54.40a63.03 71.58 81.97 92.00 84.42 76.20 66.00 59.53 45.00 65.59
200950.26 52.39 59.06 60.67 72.48 76.30 84.45 84.74 78.27 57.06 56.80 37.84 64.19
201044.87 41.11 55.77 62.23 67.81 81.53 88.06 87.32 84.03 69.06 52.33 50.00 65.35
201145.03 45.75 59.29 62.83a65.94 83.90 88.65 91.65 78.17 68.26 54.93 45.06 65.79
201252.10 43.86 65.84 69.23 76.29 91.17 89.71 89.00 80.97 64.55 59.93 46.26 69.08
201346.23 44.61 53.97 57.67 71.68 86.17 86.84 87.65 77.70 60.00 56.67 44.29 64.45
201448.55 45.07 58.45 63.63 70.16 81.83 86.42 83.19 78.43 69.84 51.43 46.06 65.26
201549.77 49.89 60.48 63.47 62.94 82.77 84.94 87.71 84.83 69.39 54.00 44.52 66.23
201646.58 54.38 55.94 61.33 67.16 86.40 90.06 85.74 81.20 74.52 62.00 46.26 67.63
201744.29 55.25 64.97 63.70 70.00 84.97 89.81 83.71 77.63 66.65 61.43 50.65 67.75
201851.94 45.96 57.94 64.67 73.55 86.00 88.13 86.81 82.80 63.61 52.63 47.06 66.76
201947.94 43.89 50.26 64.30 63.77 79.47 88.87 89.84 84.77 60.48 52.23 47.19 64.42
202048.77 45.48 55.84 62.80 73.74 85.50 89.74 91.19 81.23 66.42 58.93 48.81 67.37
202147.03 40.46 52.97 60.97 68.45 85.20 88.19 87.97 83.67 69.23 62.60 53.81 66.71
202247.26 44.86 56.45 65.17 72.87 83.97 90.84 87.19 83.07 67.87 48.23 46.19 66.16
202340.45 48.64 49.94 63.23 71.00 76.13 87.87 86.77 81.10 66.39 58.47 50.00 65.00
202442.68 51.03 54.26d-----z-----z-----z-----z-----z-----z-----z-----z-----z49.32i
Period of Record Statistics
MEAN45.28 47.18 53.65 62.00 70.48 80.89 86.61 84.93 77.61 66.26 54.24 46.34 64.70
S.D.4.96 5.45 5.34 4.12 3.75 4.24 3.18 2.92 3.65 4.44 4.48 4.43 1.94
SKEW-0.49 -0.55 -0.27 -0.20 -0.40 0.02 -0.36 -0.25 0.01 -0.64 0.00 -0.68 -0.22
MAX57.06 61.18 65.84 71.23 79.20 91.17 93.42 91.65 85.89 77.35 66.77 57.60 69.75
MIN29.32 28.43 38.33 51.17 59.87 71.40 77.26 77.13 68.63 51.23 43.37 29.77 59.85
YRS124 125 126 127 127 126 126 125 125 127 123 124 109