| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 2.90 | 0.04 |
| Feb | 2.28 | 2.25 | 0.03 |
| Mar | 3.20 | 3.18 | 0.02 |
| Apr | 4.12 | 4.05 | 0.07 |
| May | 4.27 | 4.33 | -0.06 |
| Jun | 4.36 | 4.43 | -0.07 |
| Jul | 4.09 | 4.17 | -0.08 |
| Aug | 3.24 | 3.24 | 0.00 |
| Sep | 2.98 | 2.98 | 0.00 |
| Oct | 2.86 | 2.84 | 0.02 |
| Nov | 3.05 | 3.04 | 0.01 |
| Dec | 2.88 | 2.89 | -0.01 |
40.27 | 40.30 | -0.03 |