| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.49 | 0.06 |
| Feb | 2.78 | 2.72 | 0.06 |
| Mar | 3.86 | 3.87 | -0.01 |
| Apr | 4.03 | 3.86 | 0.17 |
| May | 4.09 | 4.12 | -0.03 |
| Jun | 4.64 | 5.14 | -0.50 |
| Jul | 4.89 | 5.21 | -0.32 |
| Aug | 4.69 | 4.94 | -0.25 |
| Sep | 5.00 | 4.99 | 0.01 |
| Oct | 4.49 | 4.45 | 0.04 |
| Nov | 3.48 | 3.45 | 0.03 |
| Dec | 4.03 | 3.95 | 0.08 |
49.53 | 50.19 | -0.66 |