| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.34 | 0.03 |
| Feb | 2.76 | 2.80 | -0.04 |
| Mar | 4.18 | 4.21 | -0.03 |
| Apr | 3.74 | 3.69 | 0.05 |
| May | 3.97 | 4.16 | -0.19 |
| Jun | 4.56 | 4.19 | 0.37 |
| Jul | 4.74 | 4.61 | 0.13 |
| Aug | 4.17 | 4.11 | 0.06 |
| Sep | 4.88 | 4.91 | -0.03 |
| Oct | 4.21 | 4.45 | -0.24 |
| Nov | 3.44 | 3.41 | 0.03 |
| Dec | 3.93 | 3.98 | -0.05 |
47.95 | 47.86 | 0.09 |