| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.31 | -0.14 |
| Feb | 2.58 | 2.65 | -0.07 |
| Mar | 3.71 | 3.75 | -0.04 |
| Apr | 3.70 | 3.66 | 0.04 |
| May | 4.12 | 4.16 | -0.04 |
| Jun | 4.08 | 4.11 | -0.03 |
| Jul | 4.01 | 3.81 | 0.20 |
| Aug | 3.43 | 3.63 | -0.20 |
| Sep | 4.70 | 4.89 | -0.19 |
| Oct | 3.78 | 3.83 | -0.05 |
| Nov | 3.20 | 3.17 | 0.03 |
| Dec | 3.43 | 3.52 | -0.09 |
43.91 | 44.49 | -0.58 |