| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 3.00 | -0.04 |
| Feb | 2.37 | 2.35 | 0.02 |
| Mar | 3.18 | 3.16 | 0.02 |
| Apr | 3.70 | 3.72 | -0.02 |
| May | 3.91 | 3.88 | 0.03 |
| Jun | 4.52 | 4.28 | 0.24 |
| Jul | 4.13 | 4.05 | 0.08 |
| Aug | 3.67 | 3.52 | 0.15 |
| Sep | 3.66 | 3.60 | 0.06 |
| Oct | 3.10 | 3.06 | 0.04 |
| Nov | 2.75 | 2.89 | -0.14 |
| Dec | 2.92 | 2.98 | -0.06 |
40.87 | 40.49 | 0.38 |