| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.55 | -0.24 |
| Feb | 2.76 | 2.91 | -0.15 |
| Mar | 4.05 | 4.32 | -0.27 |
| Apr | 3.69 | 3.70 | -0.01 |
| May | 3.71 | 3.87 | -0.16 |
| Jun | 4.24 | 4.16 | 0.08 |
| Jul | 4.64 | 4.66 | -0.02 |
| Aug | 4.43 | 4.74 | -0.31 |
| Sep | 4.56 | 4.43 | 0.13 |
| Oct | 3.88 | 4.03 | -0.15 |
| Nov | 3.23 | 3.22 | 0.01 |
| Dec | 4.17 | 4.39 | -0.22 |
46.67 | 47.98 | -1.31 |