| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.80 | 3.77 | 0.03 |
| Feb | 2.97 | 3.24 | -0.27 |
| Mar | 4.47 | 4.58 | -0.11 |
| Apr | 3.65 | 3.67 | -0.02 |
| May | 3.68 | 3.71 | -0.03 |
| Jun | 3.90 | 4.16 | -0.26 |
| Jul | 4.54 | 4.41 | 0.13 |
| Aug | 4.56 | 4.56 | 0.00 |
| Sep | 3.96 | 3.97 | -0.01 |
| Oct | 4.06 | 4.29 | -0.23 |
| Nov | 3.28 | 3.55 | -0.27 |
| Dec | 4.49 | 4.75 | -0.26 |
47.36 | 48.66 | -1.30 |