| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.63 | 0.08 |
| Feb | 0.70 | 0.59 | 0.11 |
| Mar | 1.12 | 1.09 | 0.03 |
| Apr | 2.01 | 2.03 | -0.02 |
| May | 3.19 | 3.28 | -0.09 |
| Jun | 4.33 | 4.43 | -0.10 |
| Jul | 4.07 | 3.97 | 0.10 |
| Aug | 3.15 | 3.20 | -0.05 |
| Sep | 2.91 | 2.92 | -0.01 |
| Oct | 2.51 | 2.43 | 0.08 |
| Nov | 0.99 | 0.91 | 0.08 |
| Dec | 0.80 | 0.78 | 0.02 |
26.49 | 26.26 | 0.23 |