| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.78 | 2.86 | -0.08 |
| Feb | 2.32 | 2.41 | -0.09 |
| Mar | 3.14 | 3.28 | -0.14 |
| Apr | 4.18 | 4.35 | -0.17 |
| May | 4.56 | 4.64 | -0.08 |
| Jun | 4.99 | 4.98 | 0.01 |
| Jul | 4.10 | 4.13 | -0.03 |
| Aug | 3.40 | 3.21 | 0.19 |
| Sep | 3.29 | 3.37 | -0.08 |
| Oct | 3.13 | 3.16 | -0.03 |
| Nov | 3.38 | 3.45 | -0.07 |
| Dec | 2.75 | 2.88 | -0.13 |
42.02 | 42.72 | -0.70 |