| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.71 | 0.00 |
| Feb | 0.87 | 0.83 | 0.04 |
| Mar | 1.65 | 1.59 | 0.06 |
| Apr | 2.70 | 2.78 | -0.08 |
| May | 4.90 | 4.91 | -0.01 |
| Jun | 4.57 | 4.55 | 0.02 |
| Jul | 3.60 | 3.44 | 0.16 |
| Aug | 3.69 | 3.76 | -0.07 |
| Sep | 2.82 | 2.61 | 0.21 |
| Oct | 2.29 | 2.25 | 0.04 |
| Nov | 1.30 | 1.35 | -0.05 |
| Dec | 1.14 | 1.12 | 0.02 |
30.24 | 29.90 | 0.34 |