| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.80 | 2.76 | 0.04 |
| Feb | 2.31 | 2.35 | -0.04 |
| Mar | 3.26 | 3.27 | -0.01 |
| Apr | 4.05 | 4.02 | 0.03 |
| May | 4.52 | 4.38 | 0.14 |
| Jun | 4.82 | 4.76 | 0.06 |
| Jul | 4.24 | 4.18 | 0.06 |
| Aug | 3.66 | 3.48 | 0.18 |
| Sep | 3.06 | 3.16 | -0.10 |
| Oct | 3.13 | 3.03 | 0.10 |
| Nov | 3.31 | 3.33 | -0.02 |
| Dec | 2.71 | 2.82 | -0.11 |
41.87 | 41.54 | 0.33 |