| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.65 | -0.05 |
| Feb | 0.72 | 0.66 | 0.06 |
| Mar | 1.55 | 1.51 | 0.04 |
| Apr | 1.98 | 2.06 | -0.08 |
| May | 3.52 | 3.50 | 0.02 |
| Jun | 3.68 | 3.44 | 0.24 |
| Jul | 3.63 | 3.58 | 0.05 |
| Aug | 3.26 | 3.39 | -0.13 |
| Sep | 1.80 | 1.82 | -0.02 |
| Oct | 2.06 | 2.00 | 0.06 |
| Nov | 0.88 | 0.82 | 0.06 |
| Dec | 0.92 | 0.88 | 0.04 |
24.60 | 24.31 | 0.29 |