| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.24 | 0.03 |
| Feb | 1.38 | 1.38 | 0.00 |
| Mar | 2.11 | 2.04 | 0.07 |
| Apr | 3.80 | 3.78 | 0.02 |
| May | 4.32 | 4.43 | -0.11 |
| Jun | 5.58 | 5.57 | 0.01 |
| Jul | 4.85 | 4.83 | 0.02 |
| Aug | 3.97 | 3.90 | 0.07 |
| Sep | 3.79 | 3.70 | 0.09 |
| Oct | 2.91 | 2.90 | 0.01 |
| Nov | 2.23 | 2.19 | 0.04 |
| Dec | 1.66 | 1.66 | 0.00 |
37.87 | 37.62 | 0.25 |