| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.56 | -0.07 |
| Feb | 2.88 | 2.93 | -0.05 |
| Mar | 4.03 | 4.00 | 0.03 |
| Apr | 3.58 | 3.71 | -0.13 |
| May | 3.76 | 3.92 | -0.16 |
| Jun | 4.47 | 4.21 | 0.26 |
| Jul | 5.17 | 5.51 | -0.34 |
| Aug | 4.91 | 5.17 | -0.26 |
| Sep | 4.74 | 5.14 | -0.40 |
| Oct | 4.03 | 4.42 | -0.39 |
| Nov | 3.05 | 3.11 | -0.06 |
| Dec | 3.61 | 3.73 | -0.12 |
47.72 | 49.41 | -1.69 |