| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.89 | -0.02 |
| Feb | 1.10 | 1.08 | 0.02 |
| Mar | 2.04 | 2.01 | 0.03 |
| Apr | 3.82 | 3.76 | 0.06 |
| May | 5.07 | 5.04 | 0.03 |
| Jun | 5.19 | 5.37 | -0.18 |
| Jul | 4.05 | 4.21 | -0.16 |
| Aug | 4.16 | 4.10 | 0.06 |
| Sep | 3.58 | 3.33 | 0.25 |
| Oct | 2.62 | 2.59 | 0.03 |
| Nov | 1.83 | 1.78 | 0.05 |
| Dec | 1.28 | 1.31 | -0.03 |
35.61 | 35.47 | 0.14 |