| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 2.95 | 0.13 |
| Feb | 2.69 | 2.57 | 0.12 |
| Mar | 3.53 | 3.38 | 0.15 |
| Apr | 3.61 | 3.55 | 0.06 |
| May | 4.22 | 4.26 | -0.04 |
| Jun | 4.05 | 3.98 | 0.07 |
| Jul | 3.97 | 3.69 | 0.28 |
| Aug | 3.53 | 3.34 | 0.19 |
| Sep | 3.66 | 3.72 | -0.06 |
| Oct | 2.90 | 3.00 | -0.10 |
| Nov | 2.83 | 2.78 | 0.05 |
| Dec | 3.15 | 3.14 | 0.01 |
41.22 | 40.36 | 0.86 |