| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.39 | 0.02 |
| Feb | 2.92 | 2.95 | -0.03 |
| Mar | 3.31 | 3.36 | -0.05 |
| Apr | 3.22 | 3.29 | -0.07 |
| May | 4.98 | 4.74 | 0.24 |
| Jun | 4.00 | 4.18 | -0.18 |
| Jul | 2.40 | 2.17 | 0.23 |
| Aug | 3.34 | 3.28 | 0.06 |
| Sep | 3.71 | 3.70 | 0.01 |
| Oct | 4.68 | 4.69 | -0.01 |
| Nov | 3.85 | 3.89 | -0.04 |
| Dec | 3.43 | 3.53 | -0.10 |
43.25 | 43.17 | 0.08 |