| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.64 | 2.45 | 0.19 |
| Feb | 2.22 | 2.16 | 0.06 |
| Mar | 2.94 | 2.93 | 0.01 |
| Apr | 3.45 | 3.55 | -0.10 |
| May | 3.53 | 3.39 | 0.14 |
| Jun | 4.09 | 4.09 | 0.00 |
| Jul | 4.18 | 4.11 | 0.07 |
| Aug | 3.87 | 3.76 | 0.11 |
| Sep | 3.97 | 4.04 | -0.07 |
| Oct | 4.09 | 3.98 | 0.11 |
| Nov | 3.24 | 3.17 | 0.07 |
| Dec | 3.15 | 2.94 | 0.21 |
41.37 | 40.57 | 0.80 |