| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.53 | -0.11 |
| Feb | 2.69 | 2.71 | -0.02 |
| Mar | 4.08 | 4.26 | -0.18 |
| Apr | 3.59 | 3.61 | -0.02 |
| May | 3.81 | 3.92 | -0.11 |
| Jun | 4.23 | 4.30 | -0.07 |
| Jul | 4.93 | 4.79 | 0.14 |
| Aug | 4.28 | 4.43 | -0.15 |
| Sep | 4.03 | 4.07 | -0.04 |
| Oct | 4.05 | 4.04 | 0.01 |
| Nov | 3.21 | 3.26 | -0.05 |
| Dec | 4.13 | 4.31 | -0.18 |
46.45 | 47.23 | -0.78 |