| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.13 | 2.32 | -0.19 |
| Feb | 1.94 | 2.01 | -0.07 |
| Mar | 2.70 | 2.69 | 0.01 |
| Apr | 4.12 | 4.14 | -0.02 |
| May | 4.58 | 4.62 | -0.04 |
| Jun | 4.50 | 4.59 | -0.09 |
| Jul | 3.93 | 3.62 | 0.31 |
| Aug | 3.26 | 3.23 | 0.03 |
| Sep | 3.00 | 3.10 | -0.10 |
| Oct | 3.31 | 3.25 | 0.06 |
| Nov | 3.04 | 3.10 | -0.06 |
| Dec | 2.30 | 2.38 | -0.08 |
38.81 | 39.05 | -0.24 |