| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.74 | 0.97 | -0.23 |
| Feb | 0.78 | 0.89 | -0.11 |
| Mar | 1.61 | 1.70 | -0.09 |
| Apr | 2.90 | 3.11 | -0.21 |
| May | 4.16 | 4.15 | 0.01 |
| Jun | 4.55 | 4.64 | -0.09 |
| Jul | 4.17 | 4.38 | -0.21 |
| Aug | 4.48 | 4.34 | 0.14 |
| Sep | 3.29 | 3.25 | 0.04 |
| Oct | 2.69 | 2.80 | -0.11 |
| Nov | 1.58 | 1.70 | -0.12 |
| Dec | 1.05 | 1.27 | -0.22 |
32.00 | 33.20 | -1.20 |