| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.51 | 2.69 | -0.18 |
| Feb | 2.05 | 2.22 | -0.17 |
| Mar | 2.66 | 2.76 | -0.10 |
| Apr | 3.59 | 3.57 | 0.02 |
| May | 3.64 | 3.69 | -0.05 |
| Jun | 3.91 | 3.80 | 0.11 |
| Jul | 3.59 | 3.70 | -0.11 |
| Aug | 3.50 | 3.49 | 0.01 |
| Sep | 3.44 | 3.42 | 0.02 |
| Oct | 3.18 | 3.20 | -0.02 |
| Nov | 2.79 | 2.87 | -0.08 |
| Dec | 2.52 | 2.71 | -0.19 |
37.38 | 38.12 | -0.74 |