| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.34 | -0.20 |
| Feb | 2.62 | 2.83 | -0.21 |
| Mar | 3.46 | 3.53 | -0.07 |
| Apr | 3.52 | 3.65 | -0.13 |
| May | 3.71 | 3.81 | -0.10 |
| Jun | 4.44 | 4.33 | 0.11 |
| Jul | 4.32 | 4.56 | -0.24 |
| Aug | 4.59 | 4.76 | -0.17 |
| Sep | 4.55 | 4.50 | 0.05 |
| Oct | 4.56 | 4.63 | -0.07 |
| Nov | 3.43 | 3.50 | -0.07 |
| Dec | 3.76 | 4.17 | -0.41 |
46.10 | 47.61 | -1.51 |