| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.31 | -0.13 |
| Feb | 2.58 | 2.67 | -0.09 |
| Mar | 3.71 | 3.78 | -0.07 |
| Apr | 3.69 | 3.68 | 0.01 |
| May | 4.13 | 4.14 | -0.01 |
| Jun | 4.07 | 4.12 | -0.05 |
| Jul | 4.03 | 3.82 | 0.21 |
| Aug | 3.43 | 3.64 | -0.21 |
| Sep | 4.69 | 4.94 | -0.25 |
| Oct | 3.74 | 3.82 | -0.08 |
| Nov | 3.19 | 3.18 | 0.01 |
| Dec | 3.44 | 3.54 | -0.10 |
43.88 | 44.64 | -0.76 |