| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.68 | -0.02 |
| Feb | 0.66 | 0.67 | -0.01 |
| Mar | 1.16 | 1.16 | 0.00 |
| Apr | 2.20 | 2.26 | -0.06 |
| May | 3.10 | 3.08 | 0.02 |
| Jun | 4.27 | 4.11 | 0.16 |
| Jul | 3.91 | 4.03 | -0.12 |
| Aug | 3.32 | 3.34 | -0.02 |
| Sep | 2.70 | 2.59 | 0.11 |
| Oct | 2.36 | 2.38 | -0.02 |
| Nov | 1.02 | 0.98 | 0.04 |
| Dec | 0.69 | 0.74 | -0.05 |
26.05 | 26.02 | 0.03 |