| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.69 | 1.66 | 0.03 |
| Feb | 1.85 | 1.92 | -0.07 |
| Mar | 3.13 | 3.08 | 0.05 |
| Apr | 4.29 | 4.13 | 0.16 |
| May | 5.60 | 5.66 | -0.06 |
| Jun | 4.82 | 4.62 | 0.20 |
| Jul | 3.51 | 3.51 | 0.00 |
| Aug | 3.50 | 3.50 | 0.00 |
| Sep | 4.13 | 3.70 | 0.43 |
| Oct | 3.72 | 3.70 | 0.02 |
| Nov | 2.78 | 2.64 | 0.14 |
| Dec | 2.30 | 2.18 | 0.12 |
41.32 | 40.30 | 1.02 |