| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.52 | -0.09 |
| Feb | 3.15 | 3.31 | -0.16 |
| Mar | 4.13 | 4.28 | -0.15 |
| Apr | 4.10 | 4.10 | 0.00 |
| May | 3.63 | 3.55 | 0.08 |
| Jun | 4.23 | 4.13 | 0.10 |
| Jul | 3.57 | 3.70 | -0.13 |
| Aug | 3.75 | 3.83 | -0.08 |
| Sep | 3.88 | 3.81 | 0.07 |
| Oct | 4.68 | 4.78 | -0.10 |
| Nov | 3.79 | 3.72 | 0.07 |
| Dec | 4.29 | 4.55 | -0.26 |
46.63 | 47.28 | -0.65 |