| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.01 | 0.06 |
| Feb | 2.92 | 2.81 | 0.11 |
| Mar | 4.15 | 4.00 | 0.15 |
| Apr | 5.32 | 5.12 | 0.20 |
| May | 5.13 | 5.07 | 0.06 |
| Jun | 4.51 | 4.57 | -0.06 |
| Jul | 3.83 | 3.78 | 0.05 |
| Aug | 3.19 | 3.04 | 0.15 |
| Sep | 3.22 | 3.16 | 0.06 |
| Oct | 3.53 | 3.34 | 0.19 |
| Nov | 4.04 | 3.97 | 0.07 |
| Dec | 3.28 | 3.23 | 0.05 |
46.19 | 45.10 | 1.09 |