| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 1.30 | 0.04 |
| Feb | 1.59 | 1.53 | 0.06 |
| Mar | 2.30 | 2.21 | 0.09 |
| Apr | 2.55 | 2.62 | -0.07 |
| May | 4.04 | 3.95 | 0.09 |
| Jun | 3.61 | 3.60 | 0.01 |
| Jul | 2.43 | 2.25 | 0.18 |
| Aug | 2.35 | 2.29 | 0.06 |
| Sep | 3.11 | 2.90 | 0.21 |
| Oct | 3.23 | 3.10 | 0.13 |
| Nov | 1.88 | 1.89 | -0.01 |
| Dec | 1.64 | 1.65 | -0.01 |
30.07 | 29.29 | 0.78 |