| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 0.98 | -0.04 |
| Feb | 0.97 | 0.97 | 0.00 |
| Mar | 1.82 | 1.86 | -0.04 |
| Apr | 2.97 | 2.95 | 0.02 |
| May | 4.27 | 4.35 | -0.08 |
| Jun | 5.31 | 5.13 | 0.18 |
| Jul | 4.18 | 4.05 | 0.13 |
| Aug | 4.63 | 4.89 | -0.26 |
| Sep | 3.52 | 3.76 | -0.24 |
| Oct | 2.80 | 2.75 | 0.05 |
| Nov | 1.70 | 1.83 | -0.13 |
| Dec | 1.23 | 1.30 | -0.07 |
34.34 | 34.82 | -0.48 |