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Report for 2011
ANNUAL CLIMATOLOGICAL SUMMARY
NAME: St Peters CITY: St. Peters STATE: MO
ELEV: 560 ft LAT: 38° 46' 44" N LONG: 90° 34' 28" W
TEMPERATURE (°F), HEAT BASE 65.0, COOL BASE 65.0
DEP. HEAT COOL
MEAN MEAN FROM DEG DEG MAX MAX MIN MIN
YR MO MAX MIN MEAN NORM DAYS DAYS HI DATE LOW DATE >=90 <=32 <=32 <=0
------------------------------------------------------------------------------------
11 1 34.2 19.7 26.8 -0.7 1122 0 46.8 29 2.9 21 0 12 31 0
11 2 44.8 26.4 35.6 3.8 754 5 75.1 17 0.4 3 0 7 18 0
11 3 55.5 37.4 46.3 3.1 577 23 82.1 17 26.0 1 0 0 8 0
11 4 70.9 48.4 59.1 4.2 240 63 89.8 3 32.4 5 0 0 0 0
11 5 74.7 55.6 64.5 0.3 162 148 93.3 30 37.5 4 2 0 0 0
11 6 86.3 67.3 76.2 3.0 4 338 96.8 4 58.9 12 10 0 0 0
11 7 94.1 73.8 82.9 5.4 0 551 102.2 21 67.3 8 27 0 0 0
11 8 90.0 69.1 78.8 3.8 2 429 102.5 2 60.7 15 14 0 0 0
11 9 75.2 56.1 64.9 -2.7 129 125 101.6 1 42.2 15 4 0 0 0
11 10 69.1 47.5 57.9 2.0 282 61 82.0 7 34.6 21 0 0 0 0
11 11 58.2 41.7 49.3 4.7 480 10 77.1 13 25.0 30 0 0 6 0
11 12 47.4 31.5 39.4 7.2 795 0 62.1 3 16.5 10 0 0 20 0
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66.8 48.0 56.9 2.8 4546 1754 102.5 AUG 0.4 FEB 57 19 83 0
PRECIPITATION (in)
DEP. MAX DAYS OF RAIN
FROM OBS. OVER
YR MO TOTAL NORM DAY DATE .01 .1 1
---------------------------------------------
11 1 0.66 -1.24 0.23 22 7 1 0
11 2 3.33 1.23 0.73 24 13 9 0
11 3 5.38 2.28 1.64 4 12 8 1
11 4 5.51 1.61 2.18 19 12 8 2
11 5 3.90 -0.10 1.15 25 14 7 1
11 6 9.70 6.10 2.82 26 12 10 4
11 7 2.86 -0.84 1.06 3 6 4 1
11 8 0.70 -2.20 0.19 5 6 4 0
11 9 4.11 0.91 1.69 14 10 4 1
11 10 1.92 -1.08 0.66 18 5 3 0
11 11 4.35 1.35 1.39 22 8 7 2
11 12 3.74 1.14 1.01 19 8 7 1
---------------------------------------------
46.16 9.16 2.82 JUN 113 72 13
WIND SPEED (mph)
DOM
YR MO AVG. HI DATE DIR
---------------------------------
11 1 0.2 19.0 7 W
11 2 0.2 20.0 17 SW
11 3 0.0 18.0 23 SW
11 4 0.0 12.0 18 NNE
11 5 0.0 27.0 15 NNE
11 6 0.0 28.0 2 N
11 7 0.0 51.0 12 N
11 8 0.2 13.0 20 NNE
11 9 0.4 17.0 29 NE
11 10 0.7 19.0 19 SW
11 11 1.9 22.0 13 SW
11 12 1.5 22.0 30 SW
---------------------------------
0.4 51.0 JUL SW