| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.38 | 2.28 | 0.10 |
| Feb | 1.64 | 1.63 | 0.01 |
| Mar | 1.87 | 1.84 | 0.03 |
| Apr | 3.02 | 2.98 | 0.04 |
| May | 3.21 | 3.10 | 0.11 |
| Jun | 3.34 | 3.15 | 0.19 |
| Jul | 3.02 | 2.89 | 0.13 |
| Aug | 3.20 | 3.17 | 0.03 |
| Sep | 3.82 | 3.55 | 0.27 |
| Oct | 4.32 | 4.04 | 0.28 |
| Nov | 3.03 | 2.93 | 0.10 |
| Dec | 2.58 | 2.44 | 0.14 |
35.43 | 34.00 | 1.43 |