| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.11 | 0.19 |
| Feb | 2.67 | 2.49 | 0.18 |
| Mar | 3.78 | 3.68 | 0.10 |
| Apr | 3.76 | 3.57 | 0.19 |
| May | 3.86 | 3.93 | -0.07 |
| Jun | 4.28 | 4.43 | -0.15 |
| Jul | 4.53 | 4.57 | -0.04 |
| Aug | 4.32 | 4.13 | 0.19 |
| Sep | 4.76 | 4.68 | 0.08 |
| Oct | 4.18 | 4.08 | 0.10 |
| Nov | 3.31 | 3.13 | 0.18 |
| Dec | 3.63 | 3.58 | 0.05 |
46.38 | 45.38 | 1.00 |