| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.21 | -0.20 |
| Feb | 2.45 | 2.49 | -0.04 |
| Mar | 3.54 | 3.50 | 0.04 |
| Apr | 4.82 | 4.92 | -0.10 |
| May | 5.00 | 4.85 | 0.15 |
| Jun | 5.06 | 4.78 | 0.28 |
| Jul | 4.36 | 4.33 | 0.03 |
| Aug | 3.06 | 3.10 | -0.04 |
| Sep | 3.35 | 3.43 | -0.08 |
| Oct | 3.71 | 3.58 | 0.13 |
| Nov | 3.70 | 3.80 | -0.10 |
| Dec | 3.07 | 3.13 | -0.06 |
45.13 | 45.12 | 0.01 |