| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.30 | 1.25 | 0.05 |
| Feb | 1.58 | 1.45 | 0.13 |
| Mar | 2.62 | 2.63 | -0.01 |
| Apr | 3.75 | 3.43 | 0.32 |
| May | 4.84 | 4.76 | 0.08 |
| Jun | 4.65 | 4.76 | -0.11 |
| Jul | 3.30 | 3.28 | 0.02 |
| Aug | 3.34 | 3.34 | 0.00 |
| Sep | 3.30 | 3.38 | -0.08 |
| Oct | 3.29 | 3.32 | -0.03 |
| Nov | 2.18 | 2.07 | 0.11 |
| Dec | 1.80 | 1.76 | 0.04 |
35.95 | 35.43 | 0.52 |