| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.89 | 0.90 | -0.01 |
| Feb | 0.98 | 0.95 | 0.03 |
| Mar | 1.85 | 1.89 | -0.04 |
| Apr | 3.31 | 3.16 | 0.15 |
| May | 4.51 | 4.44 | 0.07 |
| Jun | 5.37 | 5.17 | 0.20 |
| Jul | 4.56 | 4.71 | -0.15 |
| Aug | 4.75 | 4.62 | 0.13 |
| Sep | 3.65 | 3.74 | -0.09 |
| Oct | 2.50 | 2.46 | 0.04 |
| Nov | 1.69 | 1.62 | 0.07 |
| Dec | 1.18 | 1.21 | -0.03 |
35.24 | 34.87 | 0.37 |