| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.64 | 1.63 | 0.01 |
| Feb | 1.59 | 1.58 | 0.01 |
| Mar | 1.98 | 1.91 | 0.07 |
| Apr | 3.67 | 3.66 | 0.01 |
| May | 3.96 | 3.96 | 0.00 |
| Jun | 4.62 | 4.71 | -0.09 |
| Jul | 3.81 | 3.78 | 0.03 |
| Aug | 3.82 | 3.90 | -0.08 |
| Sep | 3.28 | 3.17 | 0.11 |
| Oct | 2.87 | 2.77 | 0.10 |
| Nov | 2.13 | 2.09 | 0.04 |
| Dec | 1.84 | 1.89 | -0.05 |
35.21 | 35.05 | 0.16 |