| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.56 | 1.85 | -0.29 |
| Feb | 1.29 | 1.53 | -0.24 |
| Mar | 1.85 | 1.98 | -0.13 |
| Apr | 3.40 | 3.48 | -0.08 |
| May | 3.60 | 3.60 | 0.00 |
| Jun | 4.01 | 4.01 | 0.00 |
| Jul | 3.42 | 3.36 | 0.06 |
| Aug | 3.31 | 3.62 | -0.31 |
| Sep | 2.56 | 2.61 | -0.05 |
| Oct | 2.88 | 3.01 | -0.13 |
| Nov | 2.14 | 2.20 | -0.06 |
| Dec | 1.78 | 1.99 | -0.21 |
31.80 | 33.24 | -1.44 |