| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.76 | 0.00 |
| Feb | 2.21 | 2.13 | 0.08 |
| Mar | 3.28 | 2.67 | 0.61 |
| Apr | 3.29 | 3.15 | 0.14 |
| May | 4.25 | 3.41 | 0.84 |
| Jun | 4.47 | 4.22 | 0.25 |
| Jul | 4.20 | 3.82 | 0.38 |
| Aug | 3.79 | 3.63 | 0.16 |
| Sep | 4.19 | 3.96 | 0.23 |
| Oct | 2.97 | 2.80 | 0.17 |
| Nov | 2.78 | 2.71 | 0.07 |
| Dec | 2.94 | 2.67 | 0.27 |
41.13 | 37.93 | 3.20 |