| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 2.86 | 0.15 |
| Feb | 2.52 | 2.47 | 0.05 |
| Mar | 3.60 | 3.35 | 0.25 |
| Apr | 3.69 | 3.83 | -0.14 |
| May | 4.27 | 4.26 | 0.01 |
| Jun | 4.15 | 3.99 | 0.16 |
| Jul | 3.98 | 3.71 | 0.27 |
| Aug | 3.58 | 3.41 | 0.17 |
| Sep | 4.07 | 3.94 | 0.13 |
| Oct | 3.33 | 3.33 | 0.00 |
| Nov | 3.00 | 2.99 | 0.01 |
| Dec | 3.31 | 3.30 | 0.01 |
42.51 | 41.44 | 1.07 |