| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.60 | -0.18 |
| Feb | 2.95 | 2.99 | -0.04 |
| Mar | 3.82 | 3.96 | -0.14 |
| Apr | 3.58 | 3.62 | -0.04 |
| May | 3.45 | 3.54 | -0.09 |
| Jun | 4.24 | 4.38 | -0.14 |
| Jul | 4.86 | 4.74 | 0.12 |
| Aug | 4.56 | 4.75 | -0.19 |
| Sep | 4.70 | 5.08 | -0.38 |
| Oct | 3.31 | 3.50 | -0.19 |
| Nov | 3.31 | 3.39 | -0.08 |
| Dec | 3.42 | 3.46 | -0.04 |
45.62 | 47.01 | -1.39 |