| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.76 | 3.88 | -0.12 |
| Feb | 3.53 | 3.63 | -0.10 |
| Mar | 3.86 | 4.14 | -0.28 |
| Apr | 3.00 | 3.10 | -0.10 |
| May | 3.26 | 3.42 | -0.16 |
| Jun | 4.92 | 4.89 | 0.03 |
| Jul | 4.58 | 4.84 | -0.26 |
| Aug | 4.59 | 4.91 | -0.32 |
| Sep | 3.99 | 4.15 | -0.16 |
| Oct | 3.21 | 3.46 | -0.25 |
| Nov | 2.93 | 3.21 | -0.28 |
| Dec | 3.85 | 3.97 | -0.12 |
45.48 | 47.60 | -2.12 |