| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.26 | -0.05 |
| Feb | 1.94 | 2.05 | -0.11 |
| Mar | 2.75 | 2.76 | -0.01 |
| Apr | 3.20 | 3.26 | -0.06 |
| May | 3.31 | 3.14 | 0.17 |
| Jun | 4.09 | 3.99 | 0.10 |
| Jul | 4.03 | 4.05 | -0.02 |
| Aug | 3.58 | 3.74 | -0.16 |
| Sep | 3.93 | 3.89 | 0.04 |
| Oct | 3.70 | 3.67 | 0.03 |
| Nov | 2.83 | 2.75 | 0.08 |
| Dec | 2.69 | 2.65 | 0.04 |
38.26 | 38.21 | 0.05 |