| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.66 | 0.02 |
| Feb | 0.97 | 0.95 | 0.02 |
| Mar | 1.77 | 1.76 | 0.01 |
| Apr | 2.85 | 2.85 | 0.00 |
| May | 4.68 | 4.60 | 0.08 |
| Jun | 4.32 | 4.23 | 0.09 |
| Jul | 4.28 | 4.63 | -0.35 |
| Aug | 3.83 | 3.82 | 0.01 |
| Sep | 2.91 | 2.97 | -0.06 |
| Oct | 2.19 | 2.12 | 0.07 |
| Nov | 1.34 | 1.34 | 0.00 |
| Dec | 1.06 | 0.94 | 0.12 |
30.88 | 30.87 | 0.01 |