| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.34 | -0.05 |
| Feb | 3.23 | 3.24 | -0.01 |
| Mar | 4.17 | 4.14 | 0.03 |
| Apr | 3.80 | 3.83 | -0.03 |
| May | 4.91 | 5.05 | -0.14 |
| Jun | 4.50 | 4.63 | -0.13 |
| Jul | 5.32 | 5.69 | -0.37 |
| Aug | 3.87 | 3.72 | 0.15 |
| Sep | 3.46 | 3.49 | -0.03 |
| Oct | 3.09 | 3.10 | -0.01 |
| Nov | 3.05 | 3.06 | -0.01 |
| Dec | 3.74 | 3.89 | -0.15 |
46.43 | 47.18 | -0.75 |