| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.70 | 1.77 | -0.07 |
| Feb | 1.81 | 1.76 | 0.05 |
| Mar | 2.46 | 2.42 | 0.04 |
| Apr | 3.72 | 3.67 | 0.05 |
| May | 4.65 | 4.79 | -0.14 |
| Jun | 5.25 | 5.28 | -0.03 |
| Jul | 4.10 | 4.24 | -0.14 |
| Aug | 4.02 | 4.00 | 0.02 |
| Sep | 3.53 | 3.64 | -0.11 |
| Oct | 2.94 | 2.86 | 0.08 |
| Nov | 2.39 | 2.34 | 0.05 |
| Dec | 2.04 | 1.99 | 0.05 |
38.61 | 38.76 | -0.15 |