| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.76 | -0.12 |
| Feb | 3.14 | 3.25 | -0.11 |
| Mar | 3.90 | 4.09 | -0.19 |
| Apr | 3.59 | 3.65 | -0.06 |
| May | 3.53 | 3.49 | 0.04 |
| Jun | 4.12 | 4.18 | -0.06 |
| Jul | 3.74 | 3.84 | -0.10 |
| Aug | 4.04 | 4.08 | -0.04 |
| Sep | 3.69 | 3.80 | -0.11 |
| Oct | 3.12 | 3.19 | -0.07 |
| Nov | 3.24 | 3.30 | -0.06 |
| Dec | 3.62 | 3.78 | -0.16 |
43.37 | 44.41 | -1.04 |