| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) | 
|---|---|---|---|
| Jan | 3.60 | 3.57 | 0.03 | 
| Feb | 3.21 | 3.23 | -0.02 | 
| Mar | 3.56 | 3.60 | -0.04 | 
| Apr | 3.24 | 3.16 | 0.08 | 
| May | 2.99 | 3.14 | -0.15 | 
| Jun | 6.61 | 7.03 | -0.42 | 
| Jul | 6.08 | 6.55 | -0.47 | 
| Aug | 6.74 | 6.93 | -0.19 | 
| Sep | 5.58 | 5.37 | 0.21 | 
| Oct | 3.61 | 3.57 | 0.04 | 
| Nov | 1.98 | 1.94 | 0.04 | 
| Dec | 2.82 | 2.81 | 0.01 | 
| 50.02 | 50.90 | -0.88 |