| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.75 | 3.73 | 0.02 |
| Feb | 3.78 | 3.72 | 0.06 |
| Mar | 4.33 | 4.07 | 0.26 |
| Apr | 4.08 | 4.07 | 0.01 |
| May | 4.13 | 3.74 | 0.39 |
| Jun | 4.49 | 3.99 | 0.50 |
| Jul | 4.58 | 4.43 | 0.15 |
| Aug | 3.54 | 3.66 | -0.12 |
| Sep | 3.14 | 3.01 | 0.13 |
| Oct | 2.76 | 2.40 | 0.36 |
| Nov | 3.08 | 2.98 | 0.10 |
| Dec | 3.98 | 4.19 | -0.21 |
45.64 | 43.99 | 1.65 |