| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.32 | 2.28 | 0.04 |
| Feb | 1.95 | 1.93 | 0.02 |
| Mar | 2.66 | 2.67 | -0.01 |
| Apr | 3.20 | 3.19 | 0.01 |
| May | 3.27 | 3.25 | 0.02 |
| Jun | 3.76 | 3.61 | 0.15 |
| Jul | 3.91 | 3.81 | 0.10 |
| Aug | 3.61 | 3.47 | 0.14 |
| Sep | 3.68 | 3.53 | 0.15 |
| Oct | 3.77 | 3.76 | 0.01 |
| Nov | 2.88 | 2.94 | -0.06 |
| Dec | 2.82 | 2.71 | 0.11 |
37.83 | 37.15 | 0.68 |