| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.43 | 2.58 | -0.15 |
| Feb | 1.99 | 2.16 | -0.17 |
| Mar | 2.19 | 2.33 | -0.14 |
| Apr | 3.59 | 3.57 | 0.02 |
| May | 4.13 | 4.26 | -0.13 |
| Jun | 3.98 | 3.91 | 0.07 |
| Jul | 3.84 | 3.84 | 0.00 |
| Aug | 3.80 | 3.90 | -0.10 |
| Sep | 3.24 | 3.07 | 0.17 |
| Oct | 3.30 | 3.22 | 0.08 |
| Nov | 2.78 | 2.87 | -0.09 |
| Dec | 2.44 | 2.36 | 0.08 |
37.71 | 38.07 | -0.36 |