| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.60 | -0.14 |
| Feb | 2.78 | 3.03 | -0.25 |
| Mar | 3.80 | 3.71 | 0.09 |
| Apr | 4.87 | 5.28 | -0.41 |
| May | 5.13 | 5.27 | -0.14 |
| Jun | 4.87 | 5.23 | -0.36 |
| Jul | 4.46 | 4.67 | -0.21 |
| Aug | 3.40 | 3.61 | -0.21 |
| Sep | 3.40 | 3.81 | -0.41 |
| Oct | 3.59 | 3.53 | 0.06 |
| Nov | 3.78 | 3.82 | -0.04 |
| Dec | 3.51 | 3.76 | -0.25 |
47.05 | 49.32 | -2.27 |