| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.53 | 0.52 | 0.01 |
| Feb | 0.56 | 0.56 | 0.00 |
| Mar | 0.98 | 0.93 | 0.05 |
| Apr | 1.62 | 1.55 | 0.07 |
| May | 3.08 | 3.17 | -0.09 |
| Jun | 3.70 | 3.88 | -0.18 |
| Jul | 3.45 | 3.52 | -0.07 |
| Aug | 2.56 | 2.36 | 0.20 |
| Sep | 2.49 | 2.51 | -0.02 |
| Oct | 2.05 | 2.02 | 0.03 |
| Nov | 0.63 | 0.65 | -0.02 |
| Dec | 0.65 | 0.64 | 0.01 |
22.30 | 22.31 | -0.01 |