| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.43 | 0.13 |
| Feb | 2.93 | 2.82 | 0.11 |
| Mar | 3.40 | 3.43 | -0.03 |
| Apr | 2.87 | 3.13 | -0.26 |
| May | 4.87 | 4.67 | 0.20 |
| Jun | 3.74 | 3.87 | -0.13 |
| Jul | 2.06 | 2.06 | 0.00 |
| Aug | 2.82 | 2.93 | -0.11 |
| Sep | 3.51 | 3.47 | 0.04 |
| Oct | 4.54 | 4.48 | 0.06 |
| Nov | 3.66 | 3.62 | 0.04 |
| Dec | 3.77 | 3.70 | 0.07 |
41.73 | 41.61 | 0.12 |