| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.70 | -0.07 |
| Feb | 3.29 | 3.40 | -0.11 |
| Mar | 3.65 | 3.84 | -0.19 |
| Apr | 2.91 | 3.07 | -0.16 |
| May | 3.28 | 3.35 | -0.07 |
| Jun | 4.46 | 4.44 | 0.02 |
| Jul | 4.53 | 4.62 | -0.09 |
| Aug | 4.80 | 4.76 | 0.04 |
| Sep | 4.05 | 4.12 | -0.07 |
| Oct | 3.32 | 3.40 | -0.08 |
| Nov | 2.88 | 2.97 | -0.09 |
| Dec | 3.68 | 3.82 | -0.14 |
44.48 | 45.49 | -1.01 |