| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.94 | -0.09 |
| Feb | 1.08 | 1.16 | -0.08 |
| Mar | 1.99 | 2.02 | -0.03 |
| Apr | 3.76 | 3.69 | 0.07 |
| May | 4.98 | 4.96 | 0.02 |
| Jun | 5.26 | 5.28 | -0.02 |
| Jul | 4.02 | 4.19 | -0.17 |
| Aug | 4.26 | 4.17 | 0.09 |
| Sep | 3.64 | 3.42 | 0.22 |
| Oct | 2.68 | 2.60 | 0.08 |
| Nov | 1.85 | 1.83 | 0.02 |
| Dec | 1.29 | 1.37 | -0.08 |
35.66 | 35.63 | 0.03 |