| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.68 | -0.02 |
| Feb | 0.66 | 0.67 | -0.01 |
| Mar | 1.13 | 1.16 | -0.03 |
| Apr | 2.18 | 2.25 | -0.07 |
| May | 3.10 | 3.07 | 0.03 |
| Jun | 4.30 | 4.10 | 0.20 |
| Jul | 3.93 | 4.04 | -0.11 |
| Aug | 3.31 | 3.34 | -0.03 |
| Sep | 2.71 | 2.58 | 0.13 |
| Oct | 2.37 | 2.38 | -0.01 |
| Nov | 1.01 | 0.98 | 0.03 |
| Dec | 0.69 | 0.74 | -0.05 |
26.05 | 25.99 | 0.06 |