| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.73 | -0.07 |
| Feb | 1.60 | 1.63 | -0.03 |
| Mar | 2.10 | 2.00 | 0.10 |
| Apr | 3.68 | 3.78 | -0.10 |
| May | 3.83 | 3.97 | -0.14 |
| Jun | 4.28 | 4.50 | -0.22 |
| Jul | 3.43 | 3.51 | -0.08 |
| Aug | 3.62 | 3.60 | 0.02 |
| Sep | 3.27 | 3.33 | -0.06 |
| Oct | 2.91 | 2.90 | 0.01 |
| Nov | 2.21 | 2.24 | -0.03 |
| Dec | 1.87 | 1.89 | -0.02 |
34.46 | 35.08 | -0.62 |