| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 3.76 | 0.13 |
| Feb | 4.34 | 4.36 | -0.02 |
| Mar | 4.68 | 4.69 | -0.01 |
| Apr | 5.02 | 5.02 | 0.00 |
| May | 5.43 | 5.38 | 0.05 |
| Jun | 4.20 | 4.11 | 0.09 |
| Jul | 4.38 | 4.41 | -0.03 |
| Aug | 3.69 | 3.48 | 0.21 |
| Sep | 3.65 | 3.65 | 0.00 |
| Oct | 3.76 | 3.78 | -0.02 |
| Nov | 3.74 | 3.66 | 0.08 |
| Dec | 4.76 | 4.60 | 0.16 |
51.54 | 50.90 | 0.64 |