| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.74 | 0.03 |
| Feb | 0.96 | 0.95 | 0.01 |
| Mar | 1.67 | 1.68 | -0.01 |
| Apr | 2.76 | 2.79 | -0.03 |
| May | 5.28 | 5.29 | -0.01 |
| Jun | 4.62 | 4.75 | -0.13 |
| Jul | 3.86 | 3.80 | 0.06 |
| Aug | 3.54 | 3.48 | 0.06 |
| Sep | 2.99 | 3.01 | -0.02 |
| Oct | 2.35 | 2.42 | -0.07 |
| Nov | 1.35 | 1.38 | -0.03 |
| Dec | 1.22 | 1.18 | 0.04 |
31.37 | 31.47 | -0.10 |