| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.72 | 1.67 | 0.05 |
| Feb | 1.70 | 1.70 | 0.00 |
| Mar | 2.26 | 2.22 | 0.04 |
| Apr | 3.59 | 3.50 | 0.09 |
| May | 4.57 | 4.70 | -0.13 |
| Jun | 4.92 | 4.69 | 0.23 |
| Jul | 3.95 | 3.79 | 0.16 |
| Aug | 3.97 | 3.88 | 0.09 |
| Sep | 3.47 | 3.37 | 0.10 |
| Oct | 3.00 | 2.94 | 0.06 |
| Nov | 2.43 | 2.30 | 0.13 |
| Dec | 1.99 | 1.96 | 0.03 |
37.57 | 36.72 | 0.85 |