| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.98 | 2.93 | 0.05 |
| Feb | 2.42 | 2.26 | 0.16 |
| Mar | 3.10 | 3.08 | 0.02 |
| Apr | 3.81 | 3.80 | 0.01 |
| May | 3.88 | 3.79 | 0.09 |
| Jun | 4.37 | 4.19 | 0.18 |
| Jul | 4.30 | 4.26 | 0.04 |
| Aug | 3.70 | 3.56 | 0.14 |
| Sep | 3.76 | 3.82 | -0.06 |
| Oct | 3.47 | 3.23 | 0.24 |
| Nov | 2.87 | 2.86 | 0.01 |
| Dec | 3.05 | 2.99 | 0.06 |
41.71 | 40.77 | 0.94 |