| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.91 | -0.03 |
| Feb | 1.09 | 1.17 | -0.08 |
| Mar | 1.97 | 1.96 | 0.01 |
| Apr | 3.70 | 3.71 | -0.01 |
| May | 4.99 | 4.81 | 0.18 |
| Jun | 5.19 | 5.14 | 0.05 |
| Jul | 4.22 | 4.16 | 0.06 |
| Aug | 4.23 | 3.98 | 0.25 |
| Sep | 3.31 | 3.11 | 0.20 |
| Oct | 2.58 | 2.49 | 0.09 |
| Nov | 1.68 | 1.77 | -0.09 |
| Dec | 1.24 | 1.30 | -0.06 |
35.08 | 34.51 | 0.57 |