| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 0.98 | -0.02 |
| Feb | 1.01 | 0.98 | 0.03 |
| Mar | 1.71 | 1.65 | 0.06 |
| Apr | 2.95 | 2.95 | 0.00 |
| May | 4.05 | 3.88 | 0.17 |
| Jun | 4.80 | 4.77 | 0.03 |
| Jul | 4.57 | 4.40 | 0.17 |
| Aug | 4.34 | 4.15 | 0.19 |
| Sep | 3.58 | 3.34 | 0.24 |
| Oct | 3.01 | 2.95 | 0.06 |
| Nov | 1.77 | 1.78 | -0.01 |
| Dec | 1.28 | 1.36 | -0.08 |
34.03 | 33.19 | 0.84 |