| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.76 | -0.03 |
| Feb | 0.81 | 0.80 | 0.01 |
| Mar | 1.55 | 1.53 | 0.02 |
| Apr | 2.84 | 2.94 | -0.10 |
| May | 4.19 | 4.26 | -0.07 |
| Jun | 4.59 | 4.43 | 0.16 |
| Jul | 4.36 | 4.40 | -0.04 |
| Aug | 4.24 | 4.07 | 0.17 |
| Sep | 3.30 | 3.24 | 0.06 |
| Oct | 2.80 | 2.79 | 0.01 |
| Nov | 1.65 | 1.62 | 0.03 |
| Dec | 1.09 | 1.17 | -0.08 |
32.15 | 32.01 | 0.14 |