| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.68 | 0.01 |
| Feb | 0.74 | 0.76 | -0.02 |
| Mar | 1.52 | 1.39 | 0.13 |
| Apr | 2.53 | 2.48 | 0.05 |
| May | 3.49 | 3.32 | 0.17 |
| Jun | 4.53 | 4.52 | 0.01 |
| Jul | 3.78 | 3.75 | 0.03 |
| Aug | 3.93 | 3.88 | 0.05 |
| Sep | 2.93 | 2.85 | 0.08 |
| Oct | 2.35 | 2.30 | 0.05 |
| Nov | 1.26 | 1.23 | 0.03 |
| Dec | 0.87 | 0.86 | 0.01 |
28.62 | 28.02 | 0.60 |