| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.63 | -0.05 |
| Feb | 3.07 | 2.99 | 0.08 |
| Mar | 3.99 | 4.00 | -0.01 |
| Apr | 3.53 | 3.60 | -0.07 |
| May | 3.73 | 3.62 | 0.11 |
| Jun | 4.55 | 4.44 | 0.11 |
| Jul | 5.05 | 5.42 | -0.37 |
| Aug | 5.04 | 5.07 | -0.03 |
| Sep | 5.37 | 5.58 | -0.21 |
| Oct | 3.42 | 3.36 | 0.06 |
| Nov | 3.41 | 3.41 | 0.00 |
| Dec | 3.51 | 3.55 | -0.04 |
48.25 | 48.67 | -0.42 |