| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.92 | -0.03 |
| Feb | 0.93 | 0.88 | 0.05 |
| Mar | 1.63 | 1.59 | 0.04 |
| Apr | 2.86 | 2.84 | 0.02 |
| May | 4.08 | 3.82 | 0.26 |
| Jun | 4.51 | 4.25 | 0.26 |
| Jul | 4.19 | 3.91 | 0.28 |
| Aug | 4.13 | 4.19 | -0.06 |
| Sep | 3.50 | 3.43 | 0.07 |
| Oct | 2.95 | 2.96 | -0.01 |
| Nov | 1.77 | 1.73 | 0.04 |
| Dec | 1.22 | 1.19 | 0.03 |
32.66 | 31.71 | 0.95 |