| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.89 | -0.11 |
| Feb | 0.83 | 0.89 | -0.06 |
| Mar | 1.61 | 1.57 | 0.04 |
| Apr | 2.85 | 3.00 | -0.15 |
| May | 4.14 | 4.20 | -0.06 |
| Jun | 4.64 | 4.82 | -0.18 |
| Jul | 4.17 | 4.26 | -0.09 |
| Aug | 4.43 | 4.31 | 0.12 |
| Sep | 3.34 | 3.31 | 0.03 |
| Oct | 2.84 | 2.90 | -0.06 |
| Nov | 1.70 | 1.67 | 0.03 |
| Dec | 1.12 | 1.25 | -0.13 |
32.45 | 33.07 | -0.62 |