| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.76 | 4.78 | -0.02 |
| Feb | 4.75 | 4.72 | 0.03 |
| Mar | 4.97 | 4.94 | 0.03 |
| Apr | 4.21 | 4.26 | -0.05 |
| May | 3.86 | 3.95 | -0.09 |
| Jun | 4.16 | 4.02 | 0.14 |
| Jul | 4.58 | 4.60 | -0.02 |
| Aug | 3.97 | 4.01 | -0.04 |
| Sep | 3.90 | 3.89 | 0.01 |
| Oct | 3.36 | 3.38 | -0.02 |
| Nov | 4.08 | 4.13 | -0.05 |
| Dec | 4.66 | 4.70 | -0.04 |
51.26 | 51.38 | -0.12 |