| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.71 | -0.16 |
| Feb | 3.13 | 3.09 | 0.04 |
| Mar | 3.78 | 3.92 | -0.14 |
| Apr | 3.41 | 3.34 | 0.07 |
| May | 3.56 | 3.31 | 0.25 |
| Jun | 4.54 | 4.58 | -0.04 |
| Jul | 4.44 | 5.01 | -0.57 |
| Aug | 4.23 | 4.70 | -0.47 |
| Sep | 5.12 | 5.20 | -0.08 |
| Oct | 3.50 | 3.52 | -0.02 |
| Nov | 3.47 | 3.40 | 0.07 |
| Dec | 3.69 | 3.61 | 0.08 |
46.42 | 47.39 | -0.97 |