| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.31 | -0.11 |
| Feb | 2.75 | 2.76 | -0.01 |
| Mar | 3.66 | 3.75 | -0.09 |
| Apr | 3.36 | 3.39 | -0.03 |
| May | 4.08 | 4.51 | -0.43 |
| Jun | 4.14 | 4.36 | -0.22 |
| Jul | 4.17 | 4.05 | 0.12 |
| Aug | 3.68 | 3.80 | -0.12 |
| Sep | 4.53 | 4.59 | -0.06 |
| Oct | 3.67 | 3.75 | -0.08 |
| Nov | 3.35 | 3.47 | -0.12 |
| Dec | 3.56 | 3.71 | -0.15 |
44.15 | 45.45 | -1.30 |