| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.62 | 0.61 | 0.01 |
| Feb | 0.70 | 0.66 | 0.04 |
| Mar | 1.51 | 1.51 | 0.00 |
| Apr | 2.20 | 2.31 | -0.11 |
| May | 2.20 | 2.24 | -0.04 |
| Jun | 1.91 | 2.13 | -0.22 |
| Jul | 2.32 | 2.42 | -0.10 |
| Aug | 2.16 | 2.34 | -0.18 |
| Sep | 1.35 | 1.44 | -0.09 |
| Oct | 1.06 | 1.10 | -0.04 |
| Nov | 0.80 | 0.81 | -0.01 |
| Dec | 0.65 | 0.65 | 0.00 |
17.48 | 18.22 | -0.74 |