| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.07 | 3.97 | 0.10 |
| Feb | 3.69 | 3.74 | -0.05 |
| Mar | 4.10 | 4.07 | 0.03 |
| Apr | 3.23 | 3.23 | 0.00 |
| May | 3.28 | 3.26 | 0.02 |
| Jun | 5.19 | 5.23 | -0.04 |
| Jul | 5.04 | 4.99 | 0.05 |
| Aug | 4.95 | 5.09 | -0.14 |
| Sep | 4.13 | 4.15 | -0.02 |
| Oct | 3.02 | 3.04 | -0.02 |
| Nov | 3.03 | 2.94 | 0.09 |
| Dec | 3.99 | 3.91 | 0.08 |
47.72 | 47.62 | 0.10 |