| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.84 | -0.06 |
| Feb | 0.85 | 0.85 | 0.00 |
| Mar | 1.56 | 1.47 | 0.09 |
| Apr | 2.83 | 2.86 | -0.03 |
| May | 4.11 | 4.13 | -0.02 |
| Jun | 4.42 | 4.46 | -0.04 |
| Jul | 4.36 | 4.41 | -0.05 |
| Aug | 4.10 | 3.94 | 0.16 |
| Sep | 3.27 | 3.24 | 0.03 |
| Oct | 2.90 | 2.87 | 0.03 |
| Nov | 1.70 | 1.64 | 0.06 |
| Dec | 1.15 | 1.22 | -0.07 |
32.03 | 31.93 | 0.10 |