| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.48 | -0.05 |
| Feb | 2.73 | 2.76 | -0.03 |
| Mar | 3.98 | 3.97 | 0.01 |
| Apr | 3.45 | 3.50 | -0.05 |
| May | 4.19 | 4.07 | 0.12 |
| Jun | 4.36 | 4.25 | 0.11 |
| Jul | 4.68 | 4.61 | 0.07 |
| Aug | 4.60 | 4.57 | 0.03 |
| Sep | 4.64 | 4.70 | -0.06 |
| Oct | 3.55 | 3.67 | -0.12 |
| Nov | 3.18 | 3.24 | -0.06 |
| Dec | 3.67 | 3.66 | 0.01 |
46.46 | 46.48 | -0.02 |