| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.69 | -0.01 |
| Feb | 0.90 | 0.93 | -0.03 |
| Mar | 1.52 | 1.61 | -0.09 |
| Apr | 2.65 | 2.58 | 0.07 |
| May | 4.49 | 4.43 | 0.06 |
| Jun | 3.97 | 3.95 | 0.02 |
| Jul | 4.31 | 4.15 | 0.16 |
| Aug | 3.76 | 3.48 | 0.28 |
| Sep | 2.72 | 2.82 | -0.10 |
| Oct | 2.07 | 2.08 | -0.01 |
| Nov | 1.26 | 1.25 | 0.01 |
| Dec | 1.01 | 1.03 | -0.02 |
29.34 | 29.00 | 0.34 |