| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.56 | -0.02 |
| Feb | 2.87 | 2.88 | -0.01 |
| Mar | 4.06 | 3.99 | 0.07 |
| Apr | 3.70 | 3.74 | -0.04 |
| May | 3.86 | 3.99 | -0.13 |
| Jun | 4.53 | 4.26 | 0.27 |
| Jul | 5.26 | 5.40 | -0.14 |
| Aug | 4.98 | 5.28 | -0.30 |
| Sep | 5.01 | 4.99 | 0.02 |
| Oct | 3.93 | 4.23 | -0.30 |
| Nov | 3.09 | 3.04 | 0.05 |
| Dec | 3.62 | 3.61 | 0.01 |
48.45 | 48.97 | -0.52 |