| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.30 | -0.10 |
| Feb | 3.08 | 3.21 | -0.13 |
| Mar | 4.09 | 4.13 | -0.04 |
| Apr | 3.94 | 4.02 | -0.08 |
| May | 3.72 | 3.63 | 0.09 |
| Jun | 4.11 | 4.14 | -0.03 |
| Jul | 3.68 | 3.46 | 0.22 |
| Aug | 3.72 | 3.70 | 0.02 |
| Sep | 3.91 | 3.72 | 0.19 |
| Oct | 4.66 | 4.65 | 0.01 |
| Nov | 3.72 | 3.69 | 0.03 |
| Dec | 4.18 | 4.34 | -0.16 |
46.01 | 45.99 | 0.02 |