| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.52 | 2.20 | 0.32 |
| Feb | 1.50 | 1.60 | -0.10 |
| Mar | 1.77 | 1.83 | -0.06 |
| Apr | 2.78 | 2.71 | 0.07 |
| May | 3.09 | 3.01 | 0.08 |
| Jun | 3.25 | 3.17 | 0.08 |
| Jul | 3.61 | 3.59 | 0.02 |
| Aug | 3.18 | 2.86 | 0.32 |
| Sep | 3.74 | 3.70 | 0.04 |
| Oct | 3.93 | 4.08 | -0.15 |
| Nov | 2.84 | 2.72 | 0.12 |
| Dec | 2.41 | 2.40 | 0.01 |
34.62 | 33.87 | 0.75 |