| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.88 | -0.20 |
| Feb | 3.67 | 3.71 | -0.04 |
| Mar | 4.78 | 4.80 | -0.02 |
| Apr | 5.08 | 5.12 | -0.04 |
| May | 5.02 | 5.12 | -0.10 |
| Jun | 4.38 | 4.43 | -0.05 |
| Jul | 4.14 | 4.03 | 0.11 |
| Aug | 3.08 | 2.82 | 0.26 |
| Sep | 3.31 | 3.44 | -0.13 |
| Oct | 4.00 | 3.88 | 0.12 |
| Nov | 4.29 | 4.20 | 0.09 |
| Dec | 4.18 | 4.24 | -0.06 |
49.61 | 49.67 | -0.06 |