| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.91 | -0.04 |
| Feb | 1.20 | 1.28 | -0.08 |
| Mar | 2.00 | 1.94 | 0.06 |
| Apr | 3.77 | 3.53 | 0.24 |
| May | 5.13 | 4.99 | 0.14 |
| Jun | 5.10 | 5.01 | 0.09 |
| Jul | 4.03 | 4.04 | -0.01 |
| Aug | 4.06 | 3.87 | 0.19 |
| Sep | 3.53 | 3.38 | 0.15 |
| Oct | 2.60 | 2.54 | 0.06 |
| Nov | 1.78 | 1.78 | 0.00 |
| Dec | 1.34 | 1.38 | -0.04 |
35.41 | 34.65 | 0.76 |