| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.13 | 2.09 | 0.04 |
| Feb | 1.92 | 1.89 | 0.03 |
| Mar | 2.63 | 2.65 | -0.02 |
| Apr | 4.01 | 3.98 | 0.03 |
| May | 4.59 | 4.69 | -0.10 |
| Jun | 4.39 | 4.36 | 0.03 |
| Jul | 3.73 | 3.80 | -0.07 |
| Aug | 3.47 | 3.39 | 0.08 |
| Sep | 3.13 | 3.21 | -0.08 |
| Oct | 3.16 | 3.07 | 0.09 |
| Nov | 2.89 | 2.87 | 0.02 |
| Dec | 2.07 | 2.14 | -0.07 |
38.12 | 38.14 | -0.02 |