| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.28 | 0.16 |
| Feb | 2.60 | 2.53 | 0.07 |
| Mar | 3.99 | 3.68 | 0.31 |
| Apr | 3.92 | 3.93 | -0.01 |
| May | 4.05 | 4.12 | -0.07 |
| Jun | 4.31 | 4.56 | -0.25 |
| Jul | 4.48 | 4.47 | 0.01 |
| Aug | 4.04 | 4.30 | -0.26 |
| Sep | 4.78 | 4.86 | -0.08 |
| Oct | 4.07 | 4.27 | -0.20 |
| Nov | 3.31 | 3.35 | -0.04 |
| Dec | 3.69 | 3.64 | 0.05 |
46.68 | 46.99 | -0.31 |