| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.60 | 0.01 |
| Feb | 3.43 | 3.39 | 0.04 |
| Mar | 4.54 | 4.51 | 0.03 |
| Apr | 4.25 | 4.13 | 0.12 |
| May | 3.59 | 3.48 | 0.11 |
| Jun | 4.08 | 4.02 | 0.06 |
| Jul | 3.43 | 3.44 | -0.01 |
| Aug | 3.47 | 3.28 | 0.19 |
| Sep | 3.71 | 3.54 | 0.17 |
| Oct | 4.78 | 4.70 | 0.08 |
| Nov | 3.99 | 3.95 | 0.04 |
| Dec | 4.71 | 4.63 | 0.08 |
47.59 | 46.67 | 0.92 |