| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.68 | 2.69 | -0.01 |
| Feb | 2.25 | 2.26 | -0.01 |
| Mar | 3.13 | 3.12 | 0.01 |
| Apr | 3.91 | 3.98 | -0.07 |
| May | 4.30 | 4.29 | 0.01 |
| Jun | 4.61 | 4.53 | 0.08 |
| Jul | 4.04 | 4.18 | -0.14 |
| Aug | 3.70 | 3.68 | 0.02 |
| Sep | 3.03 | 3.14 | -0.11 |
| Oct | 2.98 | 2.94 | 0.04 |
| Nov | 3.18 | 3.17 | 0.01 |
| Dec | 2.62 | 2.60 | 0.02 |
40.43 | 40.58 | -0.15 |