| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.28 | -0.25 |
| Feb | 2.49 | 2.56 | -0.07 |
| Mar | 3.22 | 3.36 | -0.14 |
| Apr | 3.60 | 3.69 | -0.09 |
| May | 4.10 | 4.11 | -0.01 |
| Jun | 4.55 | 4.58 | -0.03 |
| Jul | 3.98 | 4.02 | -0.04 |
| Aug | 3.69 | 3.63 | 0.06 |
| Sep | 3.58 | 3.70 | -0.12 |
| Oct | 2.99 | 3.14 | -0.15 |
| Nov | 2.87 | 3.06 | -0.19 |
| Dec | 3.04 | 3.15 | -0.11 |
41.14 | 42.28 | -1.14 |