| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.42 | -0.11 |
| Feb | 2.80 | 2.83 | -0.03 |
| Mar | 4.27 | 4.39 | -0.12 |
| Apr | 3.71 | 3.62 | 0.09 |
| May | 3.67 | 3.76 | -0.09 |
| Jun | 4.51 | 4.59 | -0.08 |
| Jul | 4.59 | 4.62 | -0.03 |
| Aug | 4.28 | 4.43 | -0.15 |
| Sep | 4.49 | 4.67 | -0.18 |
| Oct | 3.87 | 4.12 | -0.25 |
| Nov | 3.30 | 3.22 | 0.08 |
| Dec | 4.01 | 4.22 | -0.21 |
46.81 | 47.89 | -1.08 |