| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.29 | -0.07 |
| Feb | 2.79 | 2.78 | 0.01 |
| Mar | 3.69 | 3.79 | -0.10 |
| Apr | 3.33 | 3.40 | -0.07 |
| May | 4.18 | 4.45 | -0.27 |
| Jun | 4.23 | 4.21 | 0.02 |
| Jul | 4.33 | 4.09 | 0.24 |
| Aug | 3.64 | 3.74 | -0.10 |
| Sep | 4.62 | 4.52 | 0.10 |
| Oct | 3.76 | 3.78 | -0.02 |
| Nov | 3.43 | 3.50 | -0.07 |
| Dec | 3.59 | 3.66 | -0.07 |
44.81 | 45.21 | -0.40 |