| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 3.09 | -0.02 |
| Feb | 2.64 | 2.61 | 0.03 |
| Mar | 3.29 | 3.29 | 0.00 |
| Apr | 3.44 | 3.38 | 0.06 |
| May | 4.10 | 4.10 | 0.00 |
| Jun | 4.36 | 4.42 | -0.06 |
| Jul | 4.20 | 4.15 | 0.05 |
| Aug | 3.76 | 3.68 | 0.08 |
| Sep | 3.47 | 3.41 | 0.06 |
| Oct | 3.05 | 2.98 | 0.07 |
| Nov | 2.93 | 2.92 | 0.01 |
| Dec | 3.14 | 3.16 | -0.02 |
41.45 | 41.19 | 0.26 |