| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.69 | -0.05 |
| Feb | 3.82 | 3.94 | -0.12 |
| Mar | 4.18 | 4.12 | 0.06 |
| Apr | 3.97 | 3.96 | 0.01 |
| May | 3.92 | 3.82 | 0.10 |
| Jun | 3.93 | 3.86 | 0.07 |
| Jul | 4.76 | 5.06 | -0.30 |
| Aug | 3.61 | 3.95 | -0.34 |
| Sep | 2.99 | 3.12 | -0.13 |
| Oct | 2.63 | 2.49 | 0.14 |
| Nov | 3.16 | 3.13 | 0.03 |
| Dec | 4.03 | 4.26 | -0.23 |
44.64 | 45.40 | -0.76 |