| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.37 | -0.13 |
| Feb | 1.96 | 2.09 | -0.13 |
| Mar | 2.29 | 2.30 | -0.01 |
| Apr | 3.47 | 3.59 | -0.12 |
| May | 4.28 | 4.20 | 0.08 |
| Jun | 4.20 | 4.28 | -0.08 |
| Jul | 3.78 | 4.01 | -0.23 |
| Aug | 3.99 | 3.99 | 0.00 |
| Sep | 3.44 | 3.53 | -0.09 |
| Oct | 3.49 | 3.76 | -0.27 |
| Nov | 2.63 | 2.74 | -0.11 |
| Dec | 2.20 | 2.26 | -0.06 |
37.97 | 39.12 | -1.15 |