| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.85 | 2.74 | 0.11 |
| Feb | 2.15 | 2.10 | 0.05 |
| Mar | 3.11 | 2.91 | 0.20 |
| Apr | 2.73 | 2.88 | -0.15 |
| May | 4.26 | 4.52 | -0.26 |
| Jun | 4.29 | 4.33 | -0.04 |
| Jul | 3.23 | 3.41 | -0.18 |
| Aug | 3.25 | 3.21 | 0.04 |
| Sep | 4.70 | 4.75 | -0.05 |
| Oct | 3.89 | 3.87 | 0.02 |
| Nov | 3.02 | 3.04 | -0.02 |
| Dec | 2.53 | 2.56 | -0.03 |
40.01 | 40.32 | -0.31 |