| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.90 | -0.01 |
| Feb | 0.99 | 0.99 | 0.00 |
| Mar | 1.86 | 1.89 | -0.03 |
| Apr | 3.32 | 3.11 | 0.21 |
| May | 4.50 | 4.33 | 0.17 |
| Jun | 5.45 | 5.14 | 0.31 |
| Jul | 4.53 | 4.54 | -0.01 |
| Aug | 4.77 | 4.53 | 0.24 |
| Sep | 3.64 | 3.66 | -0.02 |
| Oct | 2.54 | 2.44 | 0.10 |
| Nov | 1.72 | 1.61 | 0.11 |
| Dec | 1.19 | 1.23 | -0.04 |
35.40 | 34.37 | 1.03 |