| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.87 | -0.30 |
| Feb | 2.48 | 2.80 | -0.32 |
| Mar | 2.95 | 3.20 | -0.25 |
| Apr | 3.58 | 3.74 | -0.16 |
| May | 3.64 | 3.71 | -0.07 |
| Jun | 3.91 | 4.09 | -0.18 |
| Jul | 4.48 | 4.54 | -0.06 |
| Aug | 3.99 | 4.04 | -0.05 |
| Sep | 4.12 | 4.27 | -0.15 |
| Oct | 4.24 | 4.46 | -0.22 |
| Nov | 3.76 | 4.09 | -0.33 |
| Dec | 3.97 | 4.14 | -0.17 |
44.69 | 46.95 | -2.26 |