Oak Opening 044717 Sierra Foothills 3240' June July August
Minimum Humidity
Mean monthly minimum RH% 34 30 27
Days 1-10 mean minimum RH% 39 31 26
Days 10-20 mean minimum RH% 33 30 29
Days 20-30 mean minimum RH% 31 28 28
Days 1-10 lowest mean minimum RH% 22 15 18
Days 10-20 lowest mean minimum RH% 19 18 15
Days 20-30 lowest mean minimum RH% 20 20 18
Days 1-10 highest mean minimum RH% 65 45 35
Days 10-20 highest mean minimum RH% 53 42 43
Days 20-30 highest mean minimum RH% 47 36 37
Maximum Humidity
Mean monthly maximum RH% 68 60 57
Days 1-10 mean maximum RH% 75 63 53
Day 10-20 mean maximum RH% 67 60 58
Days 20-30 mean maximum RH% 63 58 60
Days 1-10 lowest mean maximum RH% 49 34 34
Days 10-20 lowest mean maximum RH% 42 45 32
Days 20-30 lowest mean maximum RH% 48 39 39
Days 1-10 highest mean maximum RH% 100 91 75
Days 10-20 highest mean maximum RH% 92 75 81
Days 20-30 highest mean maximum RH% 86 83 86
Maximum temperatures
Mean monthly maximum temperature 83 89 90
Days 1-10 mean maximum temperature 78 88 92
Days 10-20 mean maximum temperature 83 89 90
Days 20-30 mean maximum temperature 86 90 89
Days 1-10 lowest mean maximum temperature 64 78 84
Days 10-20 lowest mean maximum temperature 73 83 80
Days 20-30 lowest mean maximum temperature 73 80 80
Ddays 1-10 highest mean maximum temperature 90 102 99
Days 10-20 highest mean maximum temperature 96 100 100
Days 20-30 highest mean maximum temperature 94 97 97
Highest daily maximum temperature 102 114 106
Lowest daily maximum temperature 52 68 70
Mimimum temperatures
Mean monthly minimum temperature 60 66 66
Days 1-10 mean minimum temperature 56 65 68
Days 10-20 mean minimum temperature 60 67 66
Days 20-30 mean minimum temperature 63 67 64
Days 1-10 lowest mean minimum temperature 45 52 59
Days 10-20 lowest mean minimum temperature 52 53 60
Days 20-30 lowest mean minimum temperature 55 58 54
Days 1-10 highest mean minimum temperature 67 73 74
Days 10-20 highest mean minimum temperature 72 74 73
Days 20-30 highest mean minimum temperature 72 74 72
Highest daily minimum temperature 81 86 86
Lowest daily minimum temperature 35 30 43
1300P Wind Speed
Days 1-10 mean wind speed 6 7 7
Days 10-20  mean wind speed 7 7 7
Days 20-30 mean wind speed 7 7 7
Days 1-10 max average wind speed 10 10 9
Days 10-20 max average wind speed 9 9 9
Days 20-30 max average wind speed 10 10 10
Period of Record:  23 years