| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.24 | 0.00 |
| Feb | 2.69 | 2.70 | -0.01 |
| Mar | 3.73 | 3.79 | -0.06 |
| Apr | 4.44 | 4.52 | -0.08 |
| May | 4.68 | 4.80 | -0.12 |
| Jun | 4.77 | 4.61 | 0.16 |
| Jul | 3.90 | 3.99 | -0.09 |
| Aug | 3.37 | 3.30 | 0.07 |
| Sep | 3.11 | 2.93 | 0.18 |
| Oct | 3.16 | 3.07 | 0.09 |
| Nov | 3.06 | 3.05 | 0.01 |
| Dec | 3.35 | 3.38 | -0.03 |
43.50 | 43.38 | 0.12 |