| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.51 | 2.40 | 0.11 |
| Feb | 2.13 | 2.19 | -0.06 |
| Mar | 2.90 | 3.00 | -0.10 |
| Apr | 3.33 | 3.46 | -0.13 |
| May | 3.45 | 3.51 | -0.06 |
| Jun | 4.36 | 4.53 | -0.17 |
| Jul | 3.99 | 4.18 | -0.19 |
| Aug | 3.83 | 3.99 | -0.16 |
| Sep | 4.05 | 4.19 | -0.14 |
| Oct | 3.87 | 3.99 | -0.12 |
| Nov | 3.05 | 3.24 | -0.19 |
| Dec | 2.95 | 2.84 | 0.11 |
40.42 | 41.52 | -1.10 |