| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.36 | 1.38 | -0.02 |
| Feb | 1.71 | 1.78 | -0.07 |
| Mar | 2.71 | 2.81 | -0.10 |
| Apr | 4.32 | 4.28 | 0.04 |
| May | 5.56 | 5.53 | 0.03 |
| Jun | 5.13 | 5.44 | -0.31 |
| Jul | 4.80 | 4.82 | -0.02 |
| Aug | 4.14 | 4.21 | -0.07 |
| Sep | 4.11 | 4.23 | -0.12 |
| Oct | 3.34 | 3.40 | -0.06 |
| Nov | 2.38 | 2.41 | -0.03 |
| Dec | 1.89 | 1.83 | 0.06 |
41.45 | 42.12 | -0.67 |