| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.77 | 0.03 |
| Feb | 0.99 | 1.03 | -0.04 |
| Mar | 1.83 | 1.74 | 0.09 |
| Apr | 3.18 | 3.13 | 0.05 |
| May | 4.84 | 4.73 | 0.11 |
| Jun | 4.98 | 4.98 | 0.00 |
| Jul | 3.65 | 3.51 | 0.14 |
| Aug | 3.98 | 3.96 | 0.02 |
| Sep | 3.13 | 3.08 | 0.05 |
| Oct | 2.46 | 2.46 | 0.00 |
| Nov | 1.41 | 1.38 | 0.03 |
| Dec | 1.27 | 1.32 | -0.05 |
32.52 | 32.09 | 0.43 |