| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.65 | 0.07 |
| Feb | 0.78 | 0.79 | -0.01 |
| Mar | 1.50 | 1.41 | 0.09 |
| Apr | 2.59 | 2.62 | -0.03 |
| May | 3.85 | 3.79 | 0.06 |
| Jun | 4.19 | 4.21 | -0.02 |
| Jul | 4.18 | 4.31 | -0.13 |
| Aug | 3.89 | 3.97 | -0.08 |
| Sep | 3.11 | 3.00 | 0.11 |
| Oct | 2.74 | 2.74 | 0.00 |
| Nov | 1.47 | 1.43 | 0.04 |
| Dec | 0.95 | 0.99 | -0.04 |
29.97 | 29.91 | 0.06 |