| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.12 | 2.17 | -0.05 |
| Feb | 2.03 | 2.20 | -0.17 |
| Mar | 3.41 | 3.63 | -0.22 |
| Apr | 4.78 | 4.84 | -0.06 |
| May | 6.29 | 6.88 | -0.59 |
| Jun | 5.09 | 5.01 | 0.08 |
| Jul | 3.65 | 3.90 | -0.25 |
| Aug | 4.00 | 3.62 | 0.38 |
| Sep | 4.47 | 4.63 | -0.16 |
| Oct | 4.01 | 3.99 | 0.02 |
| Nov | 3.44 | 3.43 | 0.01 |
| Dec | 2.56 | 2.65 | -0.09 |
45.85 | 46.95 | -1.10 |