| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.93 | 0.90 | 0.03 |
| Feb | 1.06 | 1.09 | -0.03 |
| Mar | 1.98 | 1.97 | 0.01 |
| Apr | 3.76 | 3.68 | 0.08 |
| May | 5.09 | 4.86 | 0.23 |
| Jun | 5.41 | 5.39 | 0.02 |
| Jul | 4.10 | 4.14 | -0.04 |
| Aug | 4.40 | 4.52 | -0.12 |
| Sep | 3.22 | 3.25 | -0.03 |
| Oct | 2.53 | 2.63 | -0.10 |
| Nov | 1.69 | 1.63 | 0.06 |
| Dec | 1.28 | 1.35 | -0.07 |
35.45 | 35.41 | 0.04 |