| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.33 | -0.19 |
| Feb | 2.60 | 2.74 | -0.14 |
| Mar | 3.75 | 3.89 | -0.14 |
| Apr | 3.78 | 3.85 | -0.07 |
| May | 4.03 | 4.27 | -0.24 |
| Jun | 4.14 | 4.22 | -0.08 |
| Jul | 4.10 | 4.09 | 0.01 |
| Aug | 3.69 | 3.93 | -0.24 |
| Sep | 4.70 | 5.03 | -0.33 |
| Oct | 3.80 | 4.03 | -0.23 |
| Nov | 3.19 | 3.30 | -0.11 |
| Dec | 3.47 | 3.65 | -0.18 |
44.39 | 46.33 | -1.94 |