| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.53 | 0.00 |
| Feb | 3.68 | 3.65 | 0.03 |
| Mar | 4.80 | 4.58 | 0.22 |
| Apr | 5.54 | 5.42 | 0.12 |
| May | 5.44 | 5.11 | 0.33 |
| Jun | 3.46 | 3.28 | 0.18 |
| Jul | 4.04 | 4.10 | -0.06 |
| Aug | 3.80 | 3.71 | 0.09 |
| Sep | 3.62 | 3.54 | 0.08 |
| Oct | 3.80 | 3.98 | -0.18 |
| Nov | 4.86 | 4.76 | 0.10 |
| Dec | 4.53 | 4.38 | 0.15 |
51.10 | 50.04 | 1.06 |