| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.66 | 2.58 | 0.08 |
| Feb | 2.15 | 2.24 | -0.09 |
| Mar | 2.36 | 2.36 | 0.00 |
| Apr | 3.64 | 3.61 | 0.03 |
| May | 4.30 | 4.31 | -0.01 |
| Jun | 4.18 | 4.28 | -0.10 |
| Jul | 3.92 | 4.23 | -0.31 |
| Aug | 3.96 | 3.97 | -0.01 |
| Sep | 3.37 | 3.25 | 0.12 |
| Oct | 3.43 | 3.40 | 0.03 |
| Nov | 2.95 | 2.91 | 0.04 |
| Dec | 2.51 | 2.44 | 0.07 |
39.43 | 39.58 | -0.15 |