| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.56 | -0.16 |
| Feb | 2.77 | 2.86 | -0.09 |
| Mar | 4.04 | 4.32 | -0.28 |
| Apr | 3.70 | 3.73 | -0.03 |
| May | 3.78 | 3.91 | -0.13 |
| Jun | 4.19 | 4.23 | -0.04 |
| Jul | 4.73 | 4.70 | 0.03 |
| Aug | 4.33 | 4.75 | -0.42 |
| Sep | 4.32 | 4.42 | -0.10 |
| Oct | 3.88 | 4.00 | -0.12 |
| Nov | 3.28 | 3.24 | 0.04 |
| Dec | 4.22 | 4.41 | -0.19 |
46.64 | 48.13 | -1.49 |