| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.80 | 0.05 |
| Feb | 1.21 | 1.20 | 0.01 |
| Mar | 2.21 | 2.20 | 0.01 |
| Apr | 2.71 | 2.85 | -0.14 |
| May | 4.93 | 5.04 | -0.11 |
| Jun | 4.57 | 4.40 | 0.17 |
| Jul | 4.20 | 4.18 | 0.02 |
| Aug | 3.73 | 3.71 | 0.02 |
| Sep | 2.90 | 2.89 | 0.01 |
| Oct | 2.44 | 2.44 | 0.00 |
| Nov | 1.51 | 1.51 | 0.00 |
| Dec | 1.29 | 1.21 | 0.08 |
32.55 | 32.43 | 0.12 |