| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.12 | -0.10 |
| Feb | 2.37 | 2.37 | 0.00 |
| Mar | 3.38 | 3.41 | -0.03 |
| Apr | 3.64 | 3.76 | -0.12 |
| May | 3.83 | 3.94 | -0.11 |
| Jun | 4.05 | 4.14 | -0.09 |
| Jul | 4.31 | 4.18 | 0.13 |
| Aug | 3.74 | 4.08 | -0.34 |
| Sep | 4.50 | 4.56 | -0.06 |
| Oct | 3.80 | 3.99 | -0.19 |
| Nov | 3.13 | 3.14 | -0.01 |
| Dec | 3.27 | 3.39 | -0.12 |
43.04 | 44.08 | -1.04 |