| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.68 | -0.02 |
| Feb | 1.72 | 1.69 | 0.03 |
| Mar | 2.37 | 2.22 | 0.15 |
| Apr | 3.60 | 3.54 | 0.06 |
| May | 4.67 | 4.51 | 0.16 |
| Jun | 5.07 | 4.99 | 0.08 |
| Jul | 4.02 | 3.88 | 0.14 |
| Aug | 3.94 | 3.82 | 0.12 |
| Sep | 3.48 | 3.40 | 0.08 |
| Oct | 2.88 | 2.82 | 0.06 |
| Nov | 2.42 | 2.28 | 0.14 |
| Dec | 2.04 | 1.95 | 0.09 |
37.87 | 36.78 | 1.09 |