| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.87 | -0.05 |
| Feb | 1.17 | 1.28 | -0.11 |
| Mar | 1.99 | 2.09 | -0.10 |
| Apr | 3.56 | 3.43 | 0.13 |
| May | 5.11 | 5.12 | -0.01 |
| Jun | 5.16 | 5.03 | 0.13 |
| Jul | 4.19 | 4.07 | 0.12 |
| Aug | 4.22 | 4.22 | 0.00 |
| Sep | 3.54 | 3.55 | -0.01 |
| Oct | 2.80 | 2.60 | 0.20 |
| Nov | 1.87 | 1.86 | 0.01 |
| Dec | 1.32 | 1.41 | -0.09 |
35.75 | 35.53 | 0.22 |