| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.45 | 0.14 |
| Feb | 3.07 | 2.82 | 0.25 |
| Mar | 3.54 | 3.60 | -0.06 |
| Apr | 4.18 | 3.73 | 0.45 |
| May | 4.01 | 3.97 | 0.04 |
| Jun | 4.70 | 4.66 | 0.04 |
| Jul | 4.47 | 4.23 | 0.24 |
| Aug | 4.21 | 4.08 | 0.13 |
| Sep | 3.91 | 4.08 | -0.17 |
| Oct | 4.93 | 5.02 | -0.09 |
| Nov | 3.80 | 3.66 | 0.14 |
| Dec | 4.30 | 4.13 | 0.17 |
48.71 | 47.43 | 1.28 |