| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 2.99 | 0.10 |
| Feb | 2.62 | 2.75 | -0.13 |
| Mar | 3.61 | 3.80 | -0.19 |
| Apr | 3.23 | 3.38 | -0.15 |
| May | 4.16 | 4.13 | 0.03 |
| Jun | 3.89 | 4.07 | -0.18 |
| Jul | 4.08 | 4.28 | -0.20 |
| Aug | 3.97 | 3.73 | 0.24 |
| Sep | 4.41 | 4.29 | 0.12 |
| Oct | 3.58 | 3.59 | -0.01 |
| Nov | 3.24 | 3.27 | -0.03 |
| Dec | 3.42 | 3.51 | -0.09 |
43.30 | 43.79 | -0.49 |