| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.69 | 2.73 | -0.04 |
| Feb | 2.33 | 2.38 | -0.05 |
| Mar | 2.80 | 2.97 | -0.17 |
| Apr | 3.24 | 3.28 | -0.04 |
| May | 3.54 | 3.53 | 0.01 |
| Jun | 4.44 | 4.43 | 0.01 |
| Jul | 4.28 | 4.38 | -0.10 |
| Aug | 3.98 | 4.07 | -0.09 |
| Sep | 4.01 | 3.66 | 0.35 |
| Oct | 3.92 | 4.07 | -0.15 |
| Nov | 2.98 | 2.95 | 0.03 |
| Dec | 3.27 | 3.45 | -0.18 |
41.48 | 41.90 | -0.42 |