| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.11 | 0.15 |
| Feb | 2.66 | 2.48 | 0.18 |
| Mar | 3.81 | 3.68 | 0.13 |
| Apr | 3.73 | 3.56 | 0.17 |
| May | 3.90 | 3.93 | -0.03 |
| Jun | 4.29 | 4.43 | -0.14 |
| Jul | 4.60 | 4.58 | 0.02 |
| Aug | 4.24 | 4.11 | 0.13 |
| Sep | 4.70 | 4.68 | 0.02 |
| Oct | 4.18 | 4.09 | 0.09 |
| Nov | 3.32 | 3.13 | 0.19 |
| Dec | 3.64 | 3.57 | 0.07 |
46.33 | 45.35 | 0.98 |